DBYC's Hong Kong PVOL Quiz Grade II

1. Poor visibility means

Fog.

Mist.

Heavy rain.

All of the above.

Poor visibility refers to a condition where it is difficult to see clearly due to various factors. Fog is a weather condition characterized by a thick cloud of tiny water droplets suspended in the air near the ground, reducing visibility. Mist is similar to fog but with less density. Heavy rain can also cause poor visibility as it creates a curtain of water that obstructs vision. Therefore, all three options - fog, mist, and heavy rain - contribute to poor visibility, making "All of the above" the correct answer.

Explanation

Poor visibility refers to a condition where it is difficult to see clearly due to various factors. Fog is a weather condition characterized by a thick cloud of tiny water droplets suspended in the air near the ground, reducing visibility. Mist is similar to fog but with less density. Heavy rain can also cause poor visibility as it creates a curtain of water that obstructs vision. Therefore, all three options - fog, mist, and heavy rain - contribute to poor visibility, making "All of the above" the correct answer.

2. Where should you not ski?

No boats in the area.

No lifeguard on the beach.

There are no markers in the area.

Swimming area buoys.

The answer "Swimming area buoys" suggests that skiing should not be done in the area where there are swimming area buoys. These buoys are specifically placed to mark the boundaries of a designated swimming area, indicating that it is unsafe for skiing. Skiing in this area could potentially pose a risk to swimmers and interfere with their safety.

Explanation

The answer "Swimming area buoys" suggests that skiing should not be done in the area where there are swimming area buoys. These buoys are specifically placed to mark the boundaries of a designated swimming area, indicating that it is unsafe for skiing. Skiing in this area could potentially pose a risk to swimmers and interfere with their safety.

3. Identify this flag:

I am in Distress.

I have a diver down.

You should stop your vessel immediately.

Require assistance.

The given flag is used to indicate that there is a diver in the water and that all vessels should stop immediately to avoid any accidents or interference with the diver. This flag is typically used in diving operations to ensure the safety of the diver and to alert other boaters to the presence of a diver in the area.

Explanation

The given flag is used to indicate that there is a diver in the water and that all vessels should stop immediately to avoid any accidents or interference with the diver. This flag is typically used in diving operations to ensure the safety of the diver and to alert other boaters to the presence of a diver in the area.

4. Which of these signals indicate distress?

A red hand flare.

Red rocket flare.

Red flare.

All.

All of the signals mentioned (red hand flare, red rocket flare, and red flare) indicate distress. These signals are commonly used in emergency situations to attract attention and signal for help. The color red is universally recognized as a distress signal, and flares are commonly used in maritime and aviation contexts to indicate that a person or vessel is in distress and requires assistance. Therefore, all of these signals indicate distress.

Explanation

All of the signals mentioned (red hand flare, red rocket flare, and red flare) indicate distress. These signals are commonly used in emergency situations to attract attention and signal for help. The color red is universally recognized as a distress signal, and flares are commonly used in maritime and aviation contexts to indicate that a person or vessel is in distress and requires assistance. Therefore, all of these signals indicate distress.

5. Whis is / or are a distress signal?

Red Rockets fired at intervals of one minute.

Raising and lowering your arms slowly at right angles of your body.

Smoke signal giving off orange colored smoke.

All of the above.

All of the mentioned options can be considered distress signals. Red rockets fired at intervals of one minute, raising and lowering your arms slowly at right angles to your body, and smoke signals giving off orange colored smoke are all commonly recognized distress signals that indicate the need for help or assistance.

Explanation

All of the mentioned options can be considered distress signals. Red rockets fired at intervals of one minute, raising and lowering your arms slowly at right angles to your body, and smoke signals giving off orange colored smoke are all commonly recognized distress signals that indicate the need for help or assistance.

6. In restricted visibility to make yourself better seen you:

Hoist a black ball.

Hoist wet canvas or sail.

Switch on navigation lights.

Put on your life jacket.

In restricted visibility, switching on navigation lights is the best way to make yourself better seen. Navigation lights are specifically designed to be visible in low visibility conditions and alert other vessels to your presence. Hoisting a black ball or wet canvas/sail may not be easily visible or recognizable to other vessels. Putting on a life jacket is important for safety but does not necessarily make you more visible to others. Therefore, switching on navigation lights is the most appropriate action to take in this situation.

Explanation

In restricted visibility, switching on navigation lights is the best way to make yourself better seen. Navigation lights are specifically designed to be visible in low visibility conditions and alert other vessels to your presence. Hoisting a black ball or wet canvas/sail may not be easily visible or recognizable to other vessels. Putting on a life jacket is important for safety but does not necessarily make you more visible to others. Therefore, switching on navigation lights is the most appropriate action to take in this situation.

7. With a transit do you:

Take a bearing of the open mark to the right.

Take a bearing of the open mark to the left.

Keep to the right or left of the transit.

Draw a line from the transit on the chart then check and compare the bearing with your compass.

When using a transit, you draw a line from the transit on the chart and then compare the bearing of that line with your compass. This allows you to determine your position and navigate accurately. It does not involve taking a bearing of the open mark to the right or left, or keeping to the right or left of the transit.

Explanation

When using a transit, you draw a line from the transit on the chart and then compare the bearing of that line with your compass. This allows you to determine your position and navigate accurately. It does not involve taking a bearing of the open mark to the right or left, or keeping to the right or left of the transit.

8. A person fails overboard from your boat. Do you:

Send the strongest swimmer to rescue.

Let her/him swim back to the boat.

A Throw a lifebelt.

Send a swimmer with a line secured to the boat.

Throwing a lifebelt is the best option in this scenario because it provides immediate assistance to the person in the water. It allows them to stay afloat and provides them with something to hold onto while waiting for further help or rescue. Sending the strongest swimmer or someone with a line secured to the boat may put them at risk as well, especially if the person in the water is in distress or unable to swim. Letting the person swim back to the boat may not be feasible if they are injured or exhausted.

Explanation

Throwing a lifebelt is the best option in this scenario because it provides immediate assistance to the person in the water. It allows them to stay afloat and provides them with something to hold onto while waiting for further help or rescue. Sending the strongest swimmer or someone with a line secured to the boat may put them at risk as well, especially if the person in the water is in distress or unable to swim. Letting the person swim back to the boat may not be feasible if they are injured or exhausted.

9. Which vessel flies this flag?

Immigration Department.

Pilot vessel.

Marine Department.

Police.

The correct answer is Pilot vessel. The flag is flown by a pilot vessel, which is a type of ship that assists in navigating larger ships in and out of ports or other narrow waterways. The flag helps to identify the pilot vessel and indicates its role and authority in providing guidance to other vessels.

Explanation

The correct answer is Pilot vessel. The flag is flown by a pilot vessel, which is a type of ship that assists in navigating larger ships in and out of ports or other narrow waterways. The flag helps to identify the pilot vessel and indicates its role and authority in providing guidance to other vessels.

10. What is the chief cause of accidents & mishaps at sea?

Not carrying enough fuel.

Not enough lubricating oil.

Not thinking logically.

Not thinking ahead.

The correct answer is "Not thinking ahead." This implies that the chief cause of accidents and mishaps at sea is the failure to anticipate and plan for potential risks and challenges in advance. This can include neglecting to consider weather conditions, navigation hazards, equipment failures, or other factors that may lead to accidents. By not thinking ahead and being prepared, sailors may find themselves in dangerous situations that could have been avoided with proper foresight and planning.

Explanation

The correct answer is "Not thinking ahead." This implies that the chief cause of accidents and mishaps at sea is the failure to anticipate and plan for potential risks and challenges in advance. This can include neglecting to consider weather conditions, navigation hazards, equipment failures, or other factors that may lead to accidents. By not thinking ahead and being prepared, sailors may find themselves in dangerous situations that could have been avoided with proper foresight and planning.

11. What is the recommended stopping distance in fog?

1/4 visibility distance

1/2 visibility distance

Visibility distance

Within a safe speed so as to avoid collision with another vessel

The recommended stopping distance in fog is within a safe speed so as to avoid collision with another vessel. This is because fog reduces visibility, making it difficult to see other vessels and obstacles in the water. By maintaining a safe speed, a vessel can have enough time to react and stop in case there is a risk of collision. It is important to adjust the speed based on the prevailing conditions to ensure the safety of everyone on board.

Explanation

The recommended stopping distance in fog is within a safe speed so as to avoid collision with another vessel. This is because fog reduces visibility, making it difficult to see other vessels and obstacles in the water. By maintaining a safe speed, a vessel can have enough time to react and stop in case there is a risk of collision. It is important to adjust the speed based on the prevailing conditions to ensure the safety of everyone on board.

12. In a sail boat how can you make yourself more visible to vessels using radar in restricted visibility?

Wet the sails with sea water.

Raise a black diamond shape.

Hoist a radar reflector.

Proceed under power.

Hoisting a radar reflector in a sailboat can make oneself more visible to vessels using radar in restricted visibility. A radar reflector is designed to reflect radar signals back to the source, making the sailboat easier to detect on radar screens. This increases the chances of other vessels spotting the sailboat and helps to prevent collisions in poor visibility conditions. Wetting the sails with sea water, raising a black diamond shape, or proceeding under power may not have the same effect of enhancing visibility on radar as hoisting a radar reflector.

Explanation

Hoisting a radar reflector in a sailboat can make oneself more visible to vessels using radar in restricted visibility. A radar reflector is designed to reflect radar signals back to the source, making the sailboat easier to detect on radar screens. This increases the chances of other vessels spotting the sailboat and helps to prevent collisions in poor visibility conditions. Wetting the sails with sea water, raising a black diamond shape, or proceeding under power may not have the same effect of enhancing visibility on radar as hoisting a radar reflector.

13. How can distress signals be sent?

Radio telephony.

Radio telegraph.

VHF Radio.

All three.

Distress signals can be sent through radio telephony, radio telegraph, and VHF radio. Radio telephony allows distress signals to be transmitted through voice communication, while radio telegraph enables distress signals to be sent using Morse code. VHF radio, on the other hand, allows for distress signals to be transmitted using very high frequency radio waves. Therefore, all three options provide means for sending distress signals.

Explanation

Distress signals can be sent through radio telephony, radio telegraph, and VHF radio. Radio telephony allows distress signals to be transmitted through voice communication, while radio telegraph enables distress signals to be sent using Morse code. VHF radio, on the other hand, allows for distress signals to be transmitted using very high frequency radio waves. Therefore, all three options provide means for sending distress signals.

14. When underway in fog - should you

Speed up.

Send everybody down below.

Reduce noise on board.

Proceed along normally.

When underway in fog, reducing noise on board is important for safety reasons. Fog reduces visibility, making it difficult for other boats to detect your presence. By reducing noise, you can increase the chances of being heard by other vessels and avoid potential collisions. Additionally, reducing noise helps to improve communication between crew members on board, ensuring that everyone is aware of their surroundings and can respond quickly to any potential hazards.

Explanation

When underway in fog, reducing noise on board is important for safety reasons. Fog reduces visibility, making it difficult for other boats to detect your presence. By reducing noise, you can increase the chances of being heard by other vessels and avoid potential collisions. Additionally, reducing noise helps to improve communication between crew members on board, ensuring that everyone is aware of their surroundings and can respond quickly to any potential hazards.

15. A lifejacket should preferably have:

A line attached to it.

A whistle fitted to it.

The name of the vessel marked on it.

Marked with a stamp of approval.

A whistle fitted to a lifejacket is important because it can be used as a distress signal in case of an emergency. It allows the person wearing the lifejacket to attract attention and signal for help. Whistles are loud and can be heard over long distances, making them a crucial tool for survival in situations where visibility is low or communication is difficult.

Explanation

A whistle fitted to a lifejacket is important because it can be used as a distress signal in case of an emergency. It allows the person wearing the lifejacket to attract attention and signal for help. Whistles are loud and can be heard over long distances, making them a crucial tool for survival in situations where visibility is low or communication is difficult.

16. What is the maximum speed in a Typhoon shelter?

10 kts.

5 kts.

1 knot.

3 kts.

In a Typhoon shelter, the maximum speed is limited to 5 kts. This is because Typhoon shelters are designed to provide safe anchorage and protection for vessels during typhoons or severe weather conditions. The lower speed limit helps to ensure the safety of the vessels and prevent damage or accidents caused by high-speed movements in the confined space of the shelter.

Explanation

In a Typhoon shelter, the maximum speed is limited to 5 kts. This is because Typhoon shelters are designed to provide safe anchorage and protection for vessels during typhoons or severe weather conditions. The lower speed limit helps to ensure the safety of the vessels and prevent damage or accidents caused by high-speed movements in the confined space of the shelter.

17. These lights are shown on what kind of vessel?

Sailing vessel optional lights.

Not under command.

Lights ashore.

Dredger danger on this side.

The correct answer is "Not under command." The given options are different types of lights that are shown on vessels. "Not under command" refers to a vessel that is unable to maneuver as required due to some exceptional circumstances, such as mechanical failure or being adrift. In such situations, the vessel displays specific lights to indicate its status to other vessels, ensuring safe navigation and preventing collisions.

Explanation

The correct answer is "Not under command." The given options are different types of lights that are shown on vessels. "Not under command" refers to a vessel that is unable to maneuver as required due to some exceptional circumstances, such as mechanical failure or being adrift. In such situations, the vessel displays specific lights to indicate its status to other vessels, ensuring safe navigation and preventing collisions.

18. You are in Victoria Harbour in a fast speed boat do you.

Put on fenders.

Check for underwater obstructions.

Reduce speed for small sampans.

Refer to the smallest scale chart.

When in Victoria Harbour in a fast speed boat, it is important to reduce speed for small sampans. Small sampans are traditional Chinese boats commonly found in the area. They are slower and less maneuverable compared to fast speed boats, so reducing speed when encountering them is necessary to ensure the safety of both the sampans and the speed boat. This precaution helps to prevent collisions and potential damage to the sampans.

Explanation

When in Victoria Harbour in a fast speed boat, it is important to reduce speed for small sampans. Small sampans are traditional Chinese boats commonly found in the area. They are slower and less maneuverable compared to fast speed boats, so reducing speed when encountering them is necessary to ensure the safety of both the sampans and the speed boat. This precaution helps to prevent collisions and potential damage to the sampans.

19. State the best ground for anchoring.

R

St

M

Wd

The letter "M" is the best ground for anchoring because it is the only option that is related to the concept of anchoring. The other options, R, St, and Wd, do not have any clear connection to anchoring. Therefore, M is the most logical and appropriate choice for the best ground for anchoring.

Explanation

The letter "M" is the best ground for anchoring because it is the only option that is related to the concept of anchoring. The other options, R, St, and Wd, do not have any clear connection to anchoring. Therefore, M is the most logical and appropriate choice for the best ground for anchoring.

20. A typhoon is imminent what should you do to your boat when at a mooring.

Change your batteries.

Top up fuel tanks.

Close all openings.

Put out your fenders/

When a typhoon is imminent and your boat is at a mooring, it is important to close all openings. This is because a typhoon brings strong winds and heavy rain, which can cause water to enter the boat through open hatches, windows, or doors. By closing all openings, you can prevent water from entering the boat and potentially causing damage or sinking. This is a precautionary measure to ensure the safety and integrity of the boat during the typhoon.

Explanation

When a typhoon is imminent and your boat is at a mooring, it is important to close all openings. This is because a typhoon brings strong winds and heavy rain, which can cause water to enter the boat through open hatches, windows, or doors. By closing all openings, you can prevent water from entering the boat and potentially causing damage or sinking. This is a precautionary measure to ensure the safety and integrity of the boat during the typhoon.

21. What should you NOT do when risk of collision exists with another vessel?

Make early alterations of course.

Make longer and obvious movements.

Make small indiscernible changes of course and speed.

Maintain your privilege when 'stand on' vessel.

When there is a risk of collision with another vessel, making small indiscernible changes of course and speed is not recommended. This is because these small changes may not be noticeable to the other vessel, increasing the chances of a collision. Instead, it is important to make longer and obvious movements to clearly indicate your intentions and avoid any confusion.

Explanation

When there is a risk of collision with another vessel, making small indiscernible changes of course and speed is not recommended. This is because these small changes may not be noticeable to the other vessel, increasing the chances of a collision. Instead, it is important to make longer and obvious movements to clearly indicate your intentions and avoid any confusion.

22. What is the Masters first responsibility when seeing a distress signal?

Investigate.

Call the Marine Department.

Call the Police.

Relay the message.

When the Master of a ship sees a distress signal, their first responsibility is to investigate the situation. This means that they need to assess the severity and nature of the distress signal, determine the location of the distress, and gather any additional information that may be available. By investigating the distress signal, the Master can gather crucial information that will help them make informed decisions about the appropriate course of action to take in order to provide assistance and ensure the safety of those in distress.

Explanation

When the Master of a ship sees a distress signal, their first responsibility is to investigate the situation. This means that they need to assess the severity and nature of the distress signal, determine the location of the distress, and gather any additional information that may be available. By investigating the distress signal, the Master can gather crucial information that will help them make informed decisions about the appropriate course of action to take in order to provide assistance and ensure the safety of those in distress.

23. When entering fog what action should you take?

Post lookouts for sound only.

Take a note of your present course and turn round to go back from where you came.

Show amber light to make you more visible.

Proceed at safe speed.

When entering fog, it is important to proceed at a safe speed. This means reducing your speed to a level that allows you to maintain control of your vehicle and react to any hazards that may arise. It is crucial to adjust your speed according to the visibility conditions and to be prepared to stop if necessary. This ensures the safety of yourself, your passengers, and other road users.

Explanation

When entering fog, it is important to proceed at a safe speed. This means reducing your speed to a level that allows you to maintain control of your vehicle and react to any hazards that may arise. It is crucial to adjust your speed according to the visibility conditions and to be prepared to stop if necessary. This ensures the safety of yourself, your passengers, and other road users.

24. Through how many degrees should an anchor light be visible?

112.5

225

135

360

The anchor light should be visible through 360 degrees. This means that it should be visible from all directions around the boat, ensuring that other vessels can easily spot the anchored boat and avoid any potential collisions. Having a 360-degree visibility ensures the safety of the boat and other nearby boats in low visibility conditions or at night.

Explanation

The anchor light should be visible through 360 degrees. This means that it should be visible from all directions around the boat, ensuring that other vessels can easily spot the anchored boat and avoid any potential collisions. Having a 360-degree visibility ensures the safety of the boat and other nearby boats in low visibility conditions or at night.

25. What does these lights signify?

Fishing vessel viewed from the stern.

A vessel not under command from astern.

Power driven vessel from astern.

Pilot vessel from astern.

The lights signify a power driven vessel from astern. This means that there is a motorized vessel approaching from behind. The lights are used to indicate the vessel's position and direction of movement to other vessels in order to avoid collisions.

Explanation

The lights signify a power driven vessel from astern. This means that there is a motorized vessel approaching from behind. The lights are used to indicate the vessel's position and direction of movement to other vessels in order to avoid collisions.

26. You see a boat between Lamma & Cheung Chau with people in the water, what do you do?

Turn away.

Go and have a look.

Go back to where you came from.

Keep course and speed.

The correct answer is "Go and have a look." When encountering a boat with people in the water, it is important to prioritize their safety. Going to have a look allows you to assess the situation and provide assistance if needed. This proactive approach can potentially save lives and ensure the well-being of those in distress.

Explanation

The correct answer is "Go and have a look." When encountering a boat with people in the water, it is important to prioritize their safety. Going to have a look allows you to assess the situation and provide assistance if needed. This proactive approach can potentially save lives and ensure the well-being of those in distress.

27. What are the lights on a South Cardinal marker buoy?

Continuous flashing white.

Six short white flashes followed by one long flash.

Two red flashes.

Nine short white flashes.

The lights on a South Cardinal marker buoy consist of six short white flashes followed by one long flash. This light sequence is used to indicate that the buoy is marking the southern side of a safe navigable channel or fairway. Mariners can identify the buoy's position and direction by observing this specific light pattern.

Explanation

The lights on a South Cardinal marker buoy consist of six short white flashes followed by one long flash. This light sequence is used to indicate that the buoy is marking the southern side of a safe navigable channel or fairway. Mariners can identify the buoy's position and direction by observing this specific light pattern.

28. Unless exempted, a Pleasure Vessel exceeding this length must not use public pier

10 m

12 m

15 m

35 m

A pleasure vessel exceeding a length of 35 meters must not use a public pier, unless it is exempted. This means that if a pleasure vessel is longer than 35 meters, it is not allowed to dock or use a public pier unless it has been granted special permission or falls under certain exemptions.

Explanation

A pleasure vessel exceeding a length of 35 meters must not use a public pier, unless it is exempted. This means that if a pleasure vessel is longer than 35 meters, it is not allowed to dock or use a public pier unless it has been granted special permission or falls under certain exemptions.

29. What is this signal?

No.1 Typhoon Signal.

No.3 Typhoon Signal.

No.9 Typhoon Signal.

No.10 Typhoon Signal.

The correct answer is No.10 Typhoon Signal. The No.10 Typhoon Signal is the highest level of typhoon warning in Hong Kong. It indicates that a typhoon is approaching or is expected to affect Hong Kong significantly. This signal is issued when winds with sustained speeds of 118 kilometers per hour or more are expected or occurring near Hong Kong. It signifies that the public should take all necessary precautions and stay indoors to ensure their safety.

Explanation

The correct answer is No.10 Typhoon Signal. The No.10 Typhoon Signal is the highest level of typhoon warning in Hong Kong. It indicates that a typhoon is approaching or is expected to affect Hong Kong significantly. This signal is issued when winds with sustained speeds of 118 kilometers per hour or more are expected or occurring near Hong Kong. It signifies that the public should take all necessary precautions and stay indoors to ensure their safety.

30. Identify this vessel.

Pilot vessel.

Trawler.

Sailing vessel.

Vessel towing.

The correct answer is "Trawler." A trawler is a type of vessel that is specifically designed for commercial fishing. It is equipped with fishing nets or trawls that are dragged behind the vessel to catch fish or other marine organisms. Trawlers are typically larger and more powerful than other fishing vessels and often have processing facilities on board to handle the catch. The other options, such as pilot vessel, sailing vessel, and vessel towing, do not accurately describe the characteristics and purpose of the vessel shown.

Explanation

The correct answer is "Trawler." A trawler is a type of vessel that is specifically designed for commercial fishing. It is equipped with fishing nets or trawls that are dragged behind the vessel to catch fish or other marine organisms. Trawlers are typically larger and more powerful than other fishing vessels and often have processing facilities on board to handle the catch. The other options, such as pilot vessel, sailing vessel, and vessel towing, do not accurately describe the characteristics and purpose of the vessel shown.

31. What is this signal?

No.10 Typhoon Signal.

Strong Monsoon Signal.

No.9 Typhoon Signal.

No.8 Typhoon Signal, Wind from NW

The correct answer is Strong Monsoon Signal because the question asks for the signal being described, and out of the given options, the Strong Monsoon Signal is the only one mentioned. The other options are different types of typhoon signals or a signal indicating wind direction. Therefore, the Strong Monsoon Signal is the most appropriate answer based on the information provided.

Explanation

The correct answer is Strong Monsoon Signal because the question asks for the signal being described, and out of the given options, the Strong Monsoon Signal is the only one mentioned. The other options are different types of typhoon signals or a signal indicating wind direction. Therefore, the Strong Monsoon Signal is the most appropriate answer based on the information provided.

32. On a speed boat fitted with a whistle which is recognized as a distress signal?

Three long blasts.

Two short blasts.

Five short blasts.

Continuous sounding of whistle.

Continuous sounding of the whistle is recognized as a distress signal on a speed boat. This means that the whistle should be blown continuously to indicate that the boat is in distress and requires assistance. The other options of three long blasts, two short blasts, and five short blasts may be used for different signals or communication purposes, but they are not specifically recognized as distress signals.

Explanation

Continuous sounding of the whistle is recognized as a distress signal on a speed boat. This means that the whistle should be blown continuously to indicate that the boat is in distress and requires assistance. The other options of three long blasts, two short blasts, and five short blasts may be used for different signals or communication purposes, but they are not specifically recognized as distress signals.

33. What do you not do in a collision situation?

Make too early an alteration.

Make too large an alteration.

Stand on.

Make frequent and small alterations of speed.

In a collision situation, making frequent and small alterations of speed can be dangerous. This can confuse other drivers and increase the risk of a collision. It is important to maintain a steady speed and avoid sudden changes that may surprise or confuse other drivers. Instead, it is recommended to make gradual and controlled movements to avoid collisions.

Explanation

In a collision situation, making frequent and small alterations of speed can be dangerous. This can confuse other drivers and increase the risk of a collision. It is important to maintain a steady speed and avoid sudden changes that may surprise or confuse other drivers. Instead, it is recommended to make gradual and controlled movements to avoid collisions.

34. A short pitch propeller compared to a long pitch propeller both turning the same number of revolutions will:

Drive the boat further through the water.

Drive the boat less further through the water.

Makes no difference.

None of the above.

A short pitch propeller compared to a long pitch propeller, both turning the same number of revolutions, will drive the boat less further through the water. This is because a short pitch propeller has a smaller angle of attack, which means it generates less thrust per revolution compared to a long pitch propeller. Therefore, it is less efficient in propelling the boat forward and will result in less distance covered.

Explanation

A short pitch propeller compared to a long pitch propeller, both turning the same number of revolutions, will drive the boat less further through the water. This is because a short pitch propeller has a smaller angle of attack, which means it generates less thrust per revolution compared to a long pitch propeller. Therefore, it is less efficient in propelling the boat forward and will result in less distance covered.

35. What is this signal?

No.1 Typhoon Signal.

No.3 Typhoon Signal.

No.9 Typhoon Signal.

No.10 Typhoon Signal.

The correct answer is No.3 Typhoon Signal because it indicates that a tropical cyclone is approaching and winds are expected to strengthen significantly. This signal is raised when sustained winds of 41 to 62 kilometers per hour are expected to affect the area within 18 hours. It serves as a warning for people to take necessary precautions and stay updated with the latest weather information.

Explanation

The correct answer is No.3 Typhoon Signal because it indicates that a tropical cyclone is approaching and winds are expected to strengthen significantly. This signal is raised when sustained winds of 41 to 62 kilometers per hour are expected to affect the area within 18 hours. It serves as a warning for people to take necessary precautions and stay updated with the latest weather information.

36. Leaving Hebe Haven a boat in the distance is showing "C" Flag plus a black bacll what should you do?

Return home.

Approach and offer assistance.

Turn to starboard and keep clear.

Signal to her.

When a boat is displaying the "C" flag along with a black ball, it indicates that the boat is unable to maneuver due to some kind of mechanical or navigational problem. In this situation, it is recommended to approach the boat and offer assistance. This could involve providing help with repairs, towing the boat to a safe location, or any other necessary aid to ensure the safety of the boat and its occupants.

Explanation

When a boat is displaying the "C" flag along with a black ball, it indicates that the boat is unable to maneuver due to some kind of mechanical or navigational problem. In this situation, it is recommended to approach the boat and offer assistance. This could involve providing help with repairs, towing the boat to a safe location, or any other necessary aid to ensure the safety of the boat and its occupants.

37. What is this signal?

No.1 Typhoon Signal.

No.3 Typhoon Signal.

No.9 Typhoon Signal.

No.10 Typhoon Signal.

The No.1 Typhoon Signal is the lowest level of typhoon warning in Hong Kong. It is issued when a tropical cyclone is within 800 kilometers of the city and poses a threat. The signal indicates that the public should take precautionary measures and stay alert to the weather conditions. It is the mildest signal among the four options given, with No.3, No.9, and No.10 Typhoon Signals representing higher levels of warning as the severity of the typhoon increases.

Explanation

The No.1 Typhoon Signal is the lowest level of typhoon warning in Hong Kong. It is issued when a tropical cyclone is within 800 kilometers of the city and poses a threat. The signal indicates that the public should take precautionary measures and stay alert to the weather conditions. It is the mildest signal among the four options given, with No.3, No.9, and No.10 Typhoon Signals representing higher levels of warning as the severity of the typhoon increases.

38. Vessel 2 sounds one short blast, what is she going to do?

Turn to starboard and give way to 1.

Stop and give way to 1.

Speed up and cross ahead of 1.

Turn to Port and give way to 1.

When a vessel sounds one short blast, it indicates that the vessel intends to turn to starboard (right) and give way to another vessel. In this case, Vessel 2 is going to turn to starboard and give way to Vessel 1.

Explanation

When a vessel sounds one short blast, it indicates that the vessel intends to turn to starboard (right) and give way to another vessel. In this case, Vessel 2 is going to turn to starboard and give way to Vessel 1.

39. Identify this vessel.

Anchored vessel (any size)

Fishing vessel.

Pilot vessel.

None of the above.

The correct answer is pilot vessel because a pilot vessel is a type of ship that is used to transport maritime pilots to and from large ships in order to guide them through difficult or dangerous waters. It is typically smaller in size compared to other vessels and is easily identifiable by its distinctive markings and lights.

Explanation

The correct answer is pilot vessel because a pilot vessel is a type of ship that is used to transport maritime pilots to and from large ships in order to guide them through difficult or dangerous waters. It is typically smaller in size compared to other vessels and is easily identifiable by its distinctive markings and lights.

40. When resuing people from the water, how should your engine be?

Tick-over speed, forward gear

Tick-over speed reverse gear

Tick-over speed neutral gear.

Stopped, key removed

When rescuing people from the water, it is important to ensure the safety of both the rescuer and the person being rescued. Stopping the engine and removing the key is necessary to prevent any accidental movement of the boat, which could potentially harm the individuals in the water. By stopping the engine and removing the key, the boat remains stationary and reduces the risk of any further accidents or injuries.

Explanation

When rescuing people from the water, it is important to ensure the safety of both the rescuer and the person being rescued. Stopping the engine and removing the key is necessary to prevent any accidental movement of the boat, which could potentially harm the individuals in the water. By stopping the engine and removing the key, the boat remains stationary and reduces the risk of any further accidents or injuries.

41. What is this signal?

No.1 Typhoon Signal.

No.3 Typhoon Signal.

No.9 Typhoon Signal.

No.10 Typhoon Signal.

The No.9 Typhoon Signal is a signal used to indicate that a typhoon is approaching and is expected to affect the area severely. This signal is raised when sustained winds of 63-117 km/h are expected or are already blowing near the area. It serves as a warning to the public to take necessary precautions and to prepare for the potential impact of the typhoon.

Explanation

The No.9 Typhoon Signal is a signal used to indicate that a typhoon is approaching and is expected to affect the area severely. This signal is raised when sustained winds of 63-117 km/h are expected or are already blowing near the area. It serves as a warning to the public to take necessary precautions and to prepare for the potential impact of the typhoon.

42. Leaving Tolo Harbour, a power vessel sounds . _ . . What should you do?

Turn around and return.

Go to their assistance.

Stop.

Call the Marine Police.

When a power vessel sounds . _ . . it is indicating that it is unsure of its intentions or actions. In this situation, it is important to stop your vessel to avoid any potential collision or misunderstanding. Stopping allows you to assess the situation and communicate with the other vessel to ensure a safe passage. Turning around and returning, going to their assistance, or calling the Marine Police may not be necessary or appropriate at this point, as the power vessel may simply need time to determine its course of action.

Explanation

When a power vessel sounds . _ . . it is indicating that it is unsure of its intentions or actions. In this situation, it is important to stop your vessel to avoid any potential collision or misunderstanding. Stopping allows you to assess the situation and communicate with the other vessel to ensure a safe passage. Turning around and returning, going to their assistance, or calling the Marine Police may not be necessary or appropriate at this point, as the power vessel may simply need time to determine its course of action.

43. A cone point down indicates:

A vessel being towed.

A trawler more than 20m in length.

A fishing vessel with nets extending over 150m.

A sailing vessel under power.

A cone point down is a day shape used to indicate that a sailing vessel is under power. This means that the vessel is using its engine or motor instead of relying solely on wind power. The cone shape, with the point facing downwards, is easily recognizable and helps other vessels understand that the sailing vessel may not be able to maneuver as easily as when it is solely under sail.

Explanation

A cone point down is a day shape used to indicate that a sailing vessel is under power. This means that the vessel is using its engine or motor instead of relying solely on wind power. The cone shape, with the point facing downwards, is easily recognizable and helps other vessels understand that the sailing vessel may not be able to maneuver as easily as when it is solely under sail.

44. The inboard screen of a side light should be:

Green

Red

(a) or (b)

Black

The inboard screen of a side light should be black. This is because the inboard screen is used to block the light from the side light, preventing it from shining in the wrong direction or causing glare. Black is the most effective color for blocking light, as it absorbs all wavelengths of light and minimizes reflection. Using any other color, such as green or red, would not be as effective in blocking the light and could potentially cause visibility issues or glare.

Explanation

The inboard screen of a side light should be black. This is because the inboard screen is used to block the light from the side light, preventing it from shining in the wrong direction or causing glare. Black is the most effective color for blocking light, as it absorbs all wavelengths of light and minimizes reflection. Using any other color, such as green or red, would not be as effective in blocking the light and could potentially cause visibility issues or glare.

45. What is the effect of tilting the engine back in the direction arrowed?

Forces bow up.

Forces bow down.

Slows you down.

Speeds you up.

Tilting the engine back in the direction arrowed would cause the forces to bow up. This means that the force exerted by the engine would be directed upwards, causing the front of the object to rise. This can be useful in certain situations, such as when trying to lift the front of a boat or an aircraft during takeoff. By tilting the engine back, the upward force generated can help to lift the front of the object, creating a bow-up effect.

Explanation

Tilting the engine back in the direction arrowed would cause the forces to bow up. This means that the force exerted by the engine would be directed upwards, causing the front of the object to rise. This can be useful in certain situations, such as when trying to lift the front of a boat or an aircraft during takeoff. By tilting the engine back, the upward force generated can help to lift the front of the object, creating a bow-up effect.

46. What action should vessel 1 take if vessel 11 has sounded the danger signal?

Signal and turn starboard

Signal and turn port

Turn to starboard and allow vessel 11 to pass clear

Stop

If vessel 11 has sounded the danger signal, also known as five short blasts, vessel 1 should stop. This signal indicates that vessel 11 is unsure of vessel 1's intentions or actions, possibly signaling a dangerous situation. By stopping, vessel 1 allows vessel 11 to assess the situation and take appropriate action to avoid a potential collision or accident, ensuring the safety of both vessels.

Explanation

If vessel 11 has sounded the danger signal, also known as five short blasts, vessel 1 should stop. This signal indicates that vessel 11 is unsure of vessel 1's intentions or actions, possibly signaling a dangerous situation. By stopping, vessel 1 allows vessel 11 to assess the situation and take appropriate action to avoid a potential collision or accident, ensuring the safety of both vessels.

47. You approach your mooring buoy with the wind from the North. How best to approach?

From windward.

From leeward.

From port side.

From starboard side.

When approaching a mooring buoy with the wind coming from the North, the best approach is from leeward. This means approaching the buoy from the downwind side. By approaching from leeward, the wind will be pushing the boat towards the buoy, making it easier to control and maneuver. Approaching from windward would be more difficult as the wind would be pushing the boat away from the buoy, making it harder to maintain control. Approaching from either the port side or starboard side would not be the best option as it would expose the boat to the full force of the wind, making it more challenging to dock safely.

Explanation

When approaching a mooring buoy with the wind coming from the North, the best approach is from leeward. This means approaching the buoy from the downwind side. By approaching from leeward, the wind will be pushing the boat towards the buoy, making it easier to control and maneuver. Approaching from windward would be more difficult as the wind would be pushing the boat away from the buoy, making it harder to maintain control. Approaching from either the port side or starboard side would not be the best option as it would expose the boat to the full force of the wind, making it more challenging to dock safely.

48. What is this signal?

No.1 Typhoon Signal.

No.3 Typhoon Signal.

No.9 Typhoon Signal.

No.10 Typhoon Signal.

The No.1 Typhoon Signal is the lowest level of typhoon warning issued by the Hong Kong Observatory. It indicates that a tropical cyclone is within 800 kilometers of Hong Kong and may affect the city with strong winds. This signal is a precautionary measure to alert the public to take necessary precautions and stay updated with the latest weather information. The No.1 signal does not necessarily mean that the typhoon will directly hit Hong Kong, but it serves as a reminder to stay prepared for any potential impact.

Explanation

The No.1 Typhoon Signal is the lowest level of typhoon warning issued by the Hong Kong Observatory. It indicates that a tropical cyclone is within 800 kilometers of Hong Kong and may affect the city with strong winds. This signal is a precautionary measure to alert the public to take necessary precautions and stay updated with the latest weather information. The No.1 signal does not necessarily mean that the typhoon will directly hit Hong Kong, but it serves as a reminder to stay prepared for any potential impact.

49. You want to get your boat alongside, and she is fitted with a single right handed propeller.

Do you:

Go astern.

Cast off and try again.

Go ahead and turn rudder to port.

Go ahead and turn rudder to starboard.

When a boat is fitted with a single right-handed propeller, turning the rudder to port (left) will cause the stern of the boat to swing to starboard (right). This maneuver is known as a "turning circle" or "pivot turn." By turning the rudder to port and going ahead, the boat will pivot on its own axis, allowing the bow to swing to port and bring the boat alongside. Going astern (reverse) would not be effective in this situation, and casting off and trying again would not address the issue with the propeller.

Explanation

When a boat is fitted with a single right-handed propeller, turning the rudder to port (left) will cause the stern of the boat to swing to starboard (right). This maneuver is known as a "turning circle" or "pivot turn." By turning the rudder to port and going ahead, the boat will pivot on its own axis, allowing the bow to swing to port and bring the boat alongside. Going astern (reverse) would not be effective in this situation, and casting off and trying again would not address the issue with the propeller.

50. You do not require an engineers certificate if you own a pleasure boat.

True.

False.

Sailing vessel fitted with an inboard engine.

Sailing vessel with a spare outboard engine which does not work.

In most cases, privately owned pleasure boats, particularly smaller or non-commercial ones, do not require an engineer’s certificate. However, it's crucial for boat owners to check specific local and national regulations to ensure compliance with all necessary certifications and requirements, especially if the boat has an inboard engine or if it's larger in size.

Explanation

In most cases, privately owned pleasure boats, particularly smaller or non-commercial ones, do not require an engineer’s certificate. However, it's crucial for boat owners to check specific local and national regulations to ensure compliance with all necessary certifications and requirements, especially if the boat has an inboard engine or if it's larger in size.

51. What does this flag signify?

I require assistance.

I require a pilot.

I wish to communicate with you.

You should stop your vessel instantly.

This flag signifies that the person flying the flag wants the recipient to stop their vessel immediately.

Explanation

This flag signifies that the person flying the flag wants the recipient to stop their vessel immediately.

52. You are traveling parallel newr a traffic separation zone. Do you:

Sound a signal continuous on the whistle.

Switch on the navigation lights.

Post lookouts for wake of passing ships.

Try to keep pace with passing vessels.

When traveling parallel near a traffic separation zone, it is important to post lookouts for the wake of passing ships. Wake refers to the waves and turbulence created by a moving vessel, which can be hazardous to smaller boats. By having lookouts in place, they can alert the crew to any approaching vessels and their wake, allowing them to take necessary precautions to avoid any potential danger. Sounding a signal continuous on the whistle, switching on navigation lights, and trying to keep pace with passing vessels are not relevant actions in this scenario.

Explanation

When traveling parallel near a traffic separation zone, it is important to post lookouts for the wake of passing ships. Wake refers to the waves and turbulence created by a moving vessel, which can be hazardous to smaller boats. By having lookouts in place, they can alert the crew to any approaching vessels and their wake, allowing them to take necessary precautions to avoid any potential danger. Sounding a signal continuous on the whistle, switching on navigation lights, and trying to keep pace with passing vessels are not relevant actions in this scenario.

53. What vessel flies this flag?

Police launch.

Marine department launch.

Pilot vessel.

Dangerous goods lighter.

The correct answer is Police launch because a police launch is a vessel used by the police department for patrolling and enforcing laws in coastal areas or bodies of water. It is typically equipped with law enforcement equipment and is responsible for maintaining safety and security in maritime environments.

Explanation

The correct answer is Police launch because a police launch is a vessel used by the police department for patrolling and enforcing laws in coastal areas or bodies of water. It is typically equipped with law enforcement equipment and is responsible for maintaining safety and security in maritime environments.

54. What signal does a jetfoil make in restricted visibility when under way but stopped?

_ . .

_ _

. .

_ .

The answer to this question is "I am aground." In restricted visibility, a jetfoil that is under way but stopped would make this signal to indicate that it is stuck on the ground or a shoal. This signal is used to warn other vessels in the area that the jetfoil is unable to move and may pose a hazard.

Explanation

The answer to this question is "I am aground." In restricted visibility, a jetfoil that is under way but stopped would make this signal to indicate that it is stuck on the ground or a shoal. This signal is used to warn other vessels in the area that the jetfoil is unable to move and may pose a hazard.

55. Identify this vessel.

A sailing vessel.

A bunker barge.

A vessel at anchor.

A power driven boat under 50m.

The given answer, "A power driven boat under 50m," is the correct identification for the vessel. This is because the other options, such as a sailing vessel, a bunker barge, and a vessel at anchor, do not accurately describe the characteristics of the vessel in question. The answer indicates that the vessel is powered by an engine and is smaller than 50 meters in length.

Explanation

The given answer, "A power driven boat under 50m," is the correct identification for the vessel. This is because the other options, such as a sailing vessel, a bunker barge, and a vessel at anchor, do not accurately describe the characteristics of the vessel in question. The answer indicates that the vessel is powered by an engine and is smaller than 50 meters in length.

56. In rough weather you loose steering, what could you do?

Lower the anchor.

Extend warps from the front of the boat.

Operate the engine astern.

Send up distress flares.

In rough weather, when you lose steering, lowering the anchor can help stabilize the boat and prevent it from drifting or being carried away by strong winds or currents. By anchoring, you can keep the boat in a fixed position and reduce the risk of collisions or running aground. This action provides temporary stability and allows you to assess the situation, make necessary repairs, or wait for improved conditions before continuing your journey.

Explanation

In rough weather, when you lose steering, lowering the anchor can help stabilize the boat and prevent it from drifting or being carried away by strong winds or currents. By anchoring, you can keep the boat in a fixed position and reduce the risk of collisions or running aground. This action provides temporary stability and allows you to assess the situation, make necessary repairs, or wait for improved conditions before continuing your journey.

57. Why do we not go at full speed in a power boat in rough seas?

Because the bow would loose buoyancy.

Cause the engine to race.

Reduces visibility.

Uses too much fuel which may be required for emergency.

Going at full speed in a power boat in rough seas can cause the engine to race. This is because the rough seas create unpredictable and unstable conditions, with waves and swells causing the boat to bounce and pitch. Going at full speed in these conditions can put excessive strain on the engine, causing it to race or rev too high. This can lead to engine damage or failure, as well as potentially compromising the control and stability of the boat. Therefore, it is advisable to reduce speed in rough seas to maintain control and ensure the safety of the passengers and the boat.

Explanation

Going at full speed in a power boat in rough seas can cause the engine to race. This is because the rough seas create unpredictable and unstable conditions, with waves and swells causing the boat to bounce and pitch. Going at full speed in these conditions can put excessive strain on the engine, causing it to race or rev too high. This can lead to engine damage or failure, as well as potentially compromising the control and stability of the boat. Therefore, it is advisable to reduce speed in rough seas to maintain control and ensure the safety of the passengers and the boat.

58. What is this signal?

No.8 Typhoon Signal, Winds from the NW

No.8 Typhoon Signal, Winds from the NE

No.8 Typhoon Signal, Winds from the SW

No.8 Typhoon Signal, Winds from the SE

The signal described in the question is the No.8 Typhoon Signal, indicating that a typhoon is approaching. The specific direction of the winds is from the northeast, as indicated by the answer choice.

Explanation

The signal described in the question is the No.8 Typhoon Signal, indicating that a typhoon is approaching. The specific direction of the winds is from the northeast, as indicated by the answer choice.

59. What is this vessel?

Pilot.

Police.

Bunker Barge.

Hydrographic Survey.

A bunker barge is a type of vessel used to transport fuel, typically marine fuel oil or diesel, to other ships. It is equipped with storage tanks and pumping systems to transfer the fuel to the receiving ship. The other options listed, such as pilot, police, and hydrographic survey, do not accurately describe a bunker barge.

Explanation

A bunker barge is a type of vessel used to transport fuel, typically marine fuel oil or diesel, to other ships. It is equipped with storage tanks and pumping systems to transfer the fuel to the receiving ship. The other options listed, such as pilot, police, and hydrographic survey, do not accurately describe a bunker barge.

60. What type of vessel shows these lights?

A sailing vessel.

A power driven vessel less than 50m.

A vessel at anchor.

A vessel in distress.

The lights described in the question are typically displayed by a sailing vessel. Sailing vessels use specific lights to indicate their presence and maneuverability to other vessels at sea. These lights help other vessels determine the type and status of the sailing vessel, ensuring safe navigation and avoiding collisions. Therefore, the correct answer is a sailing vessel.

Explanation

The lights described in the question are typically displayed by a sailing vessel. Sailing vessels use specific lights to indicate their presence and maneuverability to other vessels at sea. These lights help other vessels determine the type and status of the sailing vessel, ensuring safe navigation and avoiding collisions. Therefore, the correct answer is a sailing vessel.

61. In Rule 27 (vessel not under command or restricted in ability to manoeuvre) what is the limit of the size the vessel which need not to carry the prescribed lights:

20m

50m

12m

7m

The correct answer is 7m. According to Rule 27, vessels that are not under command or restricted in their ability to maneuver are required to carry the prescribed lights. However, vessels that are less than 7 meters in size are exempted from this requirement.

Explanation

The correct answer is 7m. According to Rule 27, vessels that are not under command or restricted in their ability to maneuver are required to carry the prescribed lights. However, vessels that are less than 7 meters in size are exempted from this requirement.

62. The Beaufort wind scale 3 indicates:

Wind speed 4-6 kts.

Ripples and occasional scattered white horses.

Wind speed 7-10 kts.

Moderate breeze.

The Beaufort wind scale is a measurement system used to estimate wind speed based on observed conditions. A wind scale of 3 indicates a wind speed of 4-6 knots. However, the given answer states that a wind scale of 3 corresponds to a wind speed of 7-10 knots, which contradicts the information provided. Therefore, the given answer is incorrect.

Explanation

The Beaufort wind scale is a measurement system used to estimate wind speed based on observed conditions. A wind scale of 3 indicates a wind speed of 4-6 knots. However, the given answer states that a wind scale of 3 corresponds to a wind speed of 7-10 knots, which contradicts the information provided. Therefore, the given answer is incorrect.

63. What is this signal?

No.8 Typhoon Signal, Winds from the NW

No.8 Typhoon Signal, Winds from the NE

No.8 Typhoon Signal, Winds from the SW

No.8 Typhoon Signal, Winds from the SE

This signal represents the No.8 Typhoon Signal with winds coming from the southwest.

Explanation

This signal represents the No.8 Typhoon Signal with winds coming from the southwest.

64. Which is the man over board signal?

. . .

_ . . _ _ _

_ _

_ _ _

The given answer "_ _ _" represents the Morse code for the letter "O". In maritime communication, "O" is used as the man overboard signal. This signal is used to indicate that a person has fallen into the water and immediate action is required to rescue them.

Explanation

The given answer "_ _ _" represents the Morse code for the letter "O". In maritime communication, "O" is used as the man overboard signal. This signal is used to indicate that a person has fallen into the water and immediate action is required to rescue them.

65. You are in a power driven vessel in open waters heading from Cheung Chau towards Lamma Island. Which one of the following vessels is the 'Stand On' vessel?

Macau Jet Foil dead ahead.

Passenger ferry four points aft your port beam.

Sailing vessel four points on your starboard bow.

A vessel weighing anchor on your port beam.

The correct answer is the sailing vessel four points on your starboard bow. According to the International Regulations for Preventing Collisions at Sea (COLREGS), when two power-driven vessels are approaching each other, the vessel on the starboard side has the right of way and is the "Stand On" vessel. In this scenario, the sailing vessel is on the starboard side of the power-driven vessel, so it has the right of way and should maintain its course and speed.

Explanation

The correct answer is the sailing vessel four points on your starboard bow. According to the International Regulations for Preventing Collisions at Sea (COLREGS), when two power-driven vessels are approaching each other, the vessel on the starboard side has the right of way and is the "Stand On" vessel. In this scenario, the sailing vessel is on the starboard side of the power-driven vessel, so it has the right of way and should maintain its course and speed.

66. How should you face the waves in a rough sea?

Head on

Stern on

Beam on

Quarter on

In a rough sea, facing the waves head on is the best approach. This means directly facing the waves with the bow of the boat. By doing so, the boat can better handle the impact of the waves and reduce the risk of capsizing or being swamped. Facing the waves head on also allows the boat to maintain better control and stability in challenging conditions.

Explanation

In a rough sea, facing the waves head on is the best approach. This means directly facing the waves with the bow of the boat. By doing so, the boat can better handle the impact of the waves and reduce the risk of capsizing or being swamped. Facing the waves head on also allows the boat to maintain better control and stability in challenging conditions.

67. What is this signal?

No.8 Typhoon Signal, Winds from the NW

No.8 Typhoon Signal, Winds from the NE

No.8 Typhoon Signal, Winds from the SW

No.8 Typhoon Signal, Winds from the SE

This signal represents the No.8 Typhoon Signal with winds coming from the NW.

Explanation

This signal represents the No.8 Typhoon Signal with winds coming from the NW.

68. What is the most likely reason for a 2-stroke outboard engine to fail to start?

Dipstick shows no oil present

Damaged magneto

Sheer pin broken

Reverse gear is selected

A damaged magneto is the most likely reason for a 2-stroke outboard engine to fail to start. The magneto is responsible for generating the electrical spark needed to ignite the fuel-air mixture in the engine's combustion chamber. If the magneto is damaged, it may not be able to produce the necessary spark, resulting in the engine's failure to start.

Explanation

A damaged magneto is the most likely reason for a 2-stroke outboard engine to fail to start. The magneto is responsible for generating the electrical spark needed to ignite the fuel-air mixture in the engine's combustion chamber. If the magneto is damaged, it may not be able to produce the necessary spark, resulting in the engine's failure to start.

69. Identify this vessel.

Bunker barge.

Pilot vessel.

Fishing vessel.

None of the above.

The given options suggest different types of vessels, namely a bunker barge, pilot vessel, and fishing vessel. However, the correct answer states that the vessel in question does not fall into any of these categories. Therefore, it can be inferred that the vessel is something other than a bunker barge, pilot vessel, or fishing vessel.

Explanation

The given options suggest different types of vessels, namely a bunker barge, pilot vessel, and fishing vessel. However, the correct answer states that the vessel in question does not fall into any of these categories. Therefore, it can be inferred that the vessel is something other than a bunker barge, pilot vessel, or fishing vessel.

70. What is this signal?

No.8 Typhoon Signal, Winds from the NW

No.8 Typhoon Signal, Winds from the NE

No.8 Typhoon Signal, Winds from the SW

No.8 Typhoon Signal, Winds from the SE

This signal represents the No.8 Typhoon Signal, indicating that a typhoon is approaching. The winds associated with this signal are coming from the southeast direction.

Explanation

This signal represents the No.8 Typhoon Signal, indicating that a typhoon is approaching. The winds associated with this signal are coming from the southeast direction.

71. Which of the following is the distress signal?

An orange canopy on the boat.

Raising and lowering one arm.

People swimming in the water.

White flare or white star shell.

An orange canopy on the boat is the distress signal because it is a recognized international distress signal for boats in distress. It is easily visible and can be seen from a distance, making it an effective way to communicate that help is needed. This signal is widely known and understood by boaters and rescue services, ensuring a quick response in emergency situations.

Explanation

An orange canopy on the boat is the distress signal because it is a recognized international distress signal for boats in distress. It is easily visible and can be seen from a distance, making it an effective way to communicate that help is needed. This signal is widely known and understood by boaters and rescue services, ensuring a quick response in emergency situations.

72. What is the correct fog signal for Jetfoil, stopped in fog?

_ . . . .

_ _ _ _ _

_ _

. _ . .

The correct fog signal for a Jetfoil stopped in fog is two prolonged blasts followed by two short blasts.

Explanation

The correct fog signal for a Jetfoil stopped in fog is two prolonged blasts followed by two short blasts.

73. In rough weather how should you point the boat into the waves?

Right on the bow.

Right on the stern.

Fine on the bow.

On the beam.

In rough weather, it is important to point the boat into the waves to ensure stability and prevent capsizing. "Fine on the bow" means pointing the boat slightly off-center towards the bow, which allows the waves to hit the boat at an angle. This position helps to reduce the impact of the waves and provides better control and maneuverability.

Explanation

In rough weather, it is important to point the boat into the waves to ensure stability and prevent capsizing. "Fine on the bow" means pointing the boat slightly off-center towards the bow, which allows the waves to hit the boat at an angle. This position helps to reduce the impact of the waves and provides better control and maneuverability.

74. A pilot vessel on pilotage duty and underway in fog sounds

_ .

_ _

_ . . . .

All

not-available-via-ai

Explanation

not-available-via-ai

75. Identify these lights

Sailing vessel.

Fishing vessel trawling.

Fishing vessel.

Police boat.

The correct answer is "Fishing vessel trawling" because the question asks to identify the lights, and the lights described in the options are commonly associated with different types of vessels. The lights on a fishing vessel trawling are specific and distinguishable, typically consisting of a green light on the starboard side, a red light on the port side, and a white light at the stern. These lights indicate that the vessel is engaged in trawling, which is a fishing method that involves dragging a net behind the boat.

Explanation

The correct answer is "Fishing vessel trawling" because the question asks to identify the lights, and the lights described in the options are commonly associated with different types of vessels. The lights on a fishing vessel trawling are specific and distinguishable, typically consisting of a green light on the starboard side, a red light on the port side, and a white light at the stern. These lights indicate that the vessel is engaged in trawling, which is a fishing method that involves dragging a net behind the boat.

76. You see these lights what do they mean?

A tug towing

Two different vessels

Tug pushing

Vessel towing a tug

The lights mentioned in the question indicate the action of a tug pushing another vessel. This means that a tugboat is using its power to push another vessel, rather than towing it. The lights serve as a signal to other vessels in the area, indicating the specific action being performed by the tug.

Explanation

The lights mentioned in the question indicate the action of a tug pushing another vessel. This means that a tugboat is using its power to push another vessel, rather than towing it. The lights serve as a signal to other vessels in the area, indicating the specific action being performed by the tug.

77. A No.5 Beaufort scale wind is:

Moderate waves with frequent white horses.

Small waves fairly frequent white horses.

Large wavelets, scattered white horses.

None of the above.

A No.5 Beaufort scale wind is characterized by moderate waves with frequent white horses. This means that the wind is strong enough to create moderate-sized waves, and these waves are often accompanied by white horses, which are the white crests or foam on top of the waves. The other options do not accurately describe the characteristics of a No.5 Beaufort scale wind.

Explanation

A No.5 Beaufort scale wind is characterized by moderate waves with frequent white horses. This means that the wind is strong enough to create moderate-sized waves, and these waves are often accompanied by white horses, which are the white crests or foam on top of the waves. The other options do not accurately describe the characteristics of a No.5 Beaufort scale wind.

78. Wind is from NNE, then VEERS 10 pts. What is the new direction?

NE

SSW

SE

NW

When wind veers, it means that it changes direction in a clockwise manner. Since the wind is initially from the NNE (north-northeast) direction, a veering of 10 points would shift it towards the east. Therefore, the new direction of the wind would be SE (southeast).

Explanation

When wind veers, it means that it changes direction in a clockwise manner. Since the wind is initially from the NNE (north-northeast) direction, a veering of 10 points would shift it towards the east. Therefore, the new direction of the wind would be SE (southeast).

79. What do these lights signify?

Sailing vessel under power.

Power driven vessel less than 7m

Sailing vessel of any length.

Sailing vessel not underway.

The lights signify a sailing vessel of any length. This means that any sailing vessel, regardless of its size, is represented by these lights.

Explanation

The lights signify a sailing vessel of any length. This means that any sailing vessel, regardless of its size, is represented by these lights.

80. What is the overtaking signal for a ferry?

_ .

_ _ .

. _ _

. _ _ .

The overtaking signal for a ferry is indicated by the Morse code pattern _ _ . which represents the letter "U".

Explanation

The overtaking signal for a ferry is indicated by the Morse code pattern _ _ . which represents the letter "U".

81. The sidelights on a 12m power driven vessel are positioned:

1 meter below the masthead light.

1 meter above the gunwale

3/4 the breadth above the gunwale

2 meters below the masthead light.

The sidelights on a 12m power driven vessel are positioned 1 meter below the masthead light. This positioning ensures that the sidelights are at a sufficient height to be visible to other vessels, while also being lower than the masthead light to avoid any confusion or obstruction. Placing the sidelights 1 meter below the masthead light helps to maintain proper visibility and adherence to navigation rules.

Explanation

The sidelights on a 12m power driven vessel are positioned 1 meter below the masthead light. This positioning ensures that the sidelights are at a sufficient height to be visible to other vessels, while also being lower than the masthead light to avoid any confusion or obstruction. Placing the sidelights 1 meter below the masthead light helps to maintain proper visibility and adherence to navigation rules.

82. What is the nearest 4th point from N to the west?

N.N.W.

N.W.

W.N.W.

N.W.

The correct answer is N.W. because N.W. stands for northwest, which is the direction that is closest to the west.

Explanation

The correct answer is N.W. because N.W. stands for northwest, which is the direction that is closest to the west.

83. What is this signal?

No.1 Typhoon Signal.

No.3 Typhoon Signal.

No.9 Typhoon Signal.

No.10 Typhoon Signal.

The correct answer is No.3 Typhoon Signal. This signal indicates that a tropical cyclone is approaching and is expected to affect the area with winds of 41-62 km/h. It signifies that the storm is intensifying and people should take precautions.

Explanation

The correct answer is No.3 Typhoon Signal. This signal indicates that a tropical cyclone is approaching and is expected to affect the area with winds of 41-62 km/h. It signifies that the storm is intensifying and people should take precautions.

84. You see a distress signal, Do you:

Go to it.

Call the Marine police.

Call the Marine Department.

All of the above.

The correct answer is "Go to it." This is because when you see a distress signal, it indicates that someone is in need of immediate help or assistance. By choosing to go to it, you are taking direct action to provide aid and support to the person or people in distress. Calling the Marine police or the Marine Department may also be helpful, but the most immediate and proactive response would be to go directly to the distress signal.

Explanation

The correct answer is "Go to it." This is because when you see a distress signal, it indicates that someone is in need of immediate help or assistance. By choosing to go to it, you are taking direct action to provide aid and support to the person or people in distress. Calling the Marine police or the Marine Department may also be helpful, but the most immediate and proactive response would be to go directly to the distress signal.

85. What does this mean?

Man overboard.

I am in distress.

I have a diver down, keep clear.

None of the above.

The phrase "I am in distress" is commonly used to indicate that someone is in a state of danger or emergency. In this context, the phrase "Man overboard" and "I have a diver down, keep clear" also suggest a sense of urgency or potential danger. However, "I am in distress" is a more general and inclusive statement that can encompass a wide range of emergency situations. Therefore, it is the most appropriate answer among the given options.

Explanation

The phrase "I am in distress" is commonly used to indicate that someone is in a state of danger or emergency. In this context, the phrase "Man overboard" and "I have a diver down, keep clear" also suggest a sense of urgency or potential danger. However, "I am in distress" is a more general and inclusive statement that can encompass a wide range of emergency situations. Therefore, it is the most appropriate answer among the given options.

86. In restricted visibility, which sound should a pilot vessel on duty, drifting with the tide make?

One long blast every two minutes.

Two long blasts every two minutes.

One long and two short blasts every two minutes.

One prolonged blast followed by four short blasts at intervals not exceeding two minutes.

In restricted visibility, a pilot vessel on duty, drifting with the tide should make one prolonged blast followed by four short blasts at intervals not exceeding two minutes. This sound signal is used to indicate the vessel's presence and to warn other vessels of its position and intentions. The combination of a prolonged blast followed by four short blasts is a specific signal recognized by other vessels, helping to prevent collisions and maintain safety in conditions of restricted visibility.

Explanation

In restricted visibility, a pilot vessel on duty, drifting with the tide should make one prolonged blast followed by four short blasts at intervals not exceeding two minutes. This sound signal is used to indicate the vessel's presence and to warn other vessels of its position and intentions. The combination of a prolonged blast followed by four short blasts is a specific signal recognized by other vessels, helping to prevent collisions and maintain safety in conditions of restricted visibility.

87. What does a single yellow flashing light indicate?

A hovercraft underway.

A special mark buoy.

Stern light of a tug towing.

Fishing vessel shooting nets.

A single yellow flashing light indicates a special mark buoy. Special mark buoys are used to indicate specific navigational information or hazards such as underwater cables, pipelines, or restricted areas. The yellow flashing light helps to draw attention to the buoy and alert mariners to be cautious in the area. This type of buoy is commonly used in maritime navigation to assist vessels in safely navigating through waterways.

Explanation

A single yellow flashing light indicates a special mark buoy. Special mark buoys are used to indicate specific navigational information or hazards such as underwater cables, pipelines, or restricted areas. The yellow flashing light helps to draw attention to the buoy and alert mariners to be cautious in the area. This type of buoy is commonly used in maritime navigation to assist vessels in safely navigating through waterways.

88. You are out in rough weather and you lose your propeller, what should you do?

Attract attention and give a distress signal.

Stop the engine.

Stream a sea anchor.

All persons to put on life jackets.

In rough weather, losing a propeller can lead to further damage or accidents. By stopping the engine, you can prevent any potential harm caused by the propeller. Additionally, stopping the engine can help conserve fuel and prevent the engine from overheating or malfunctioning. It is important to prioritize safety in such situations and take necessary measures to avoid any further risks or dangers.

Explanation

In rough weather, losing a propeller can lead to further damage or accidents. By stopping the engine, you can prevent any potential harm caused by the propeller. Additionally, stopping the engine can help conserve fuel and prevent the engine from overheating or malfunctioning. It is important to prioritize safety in such situations and take necessary measures to avoid any further risks or dangers.

89. A Tropical Depression / Typhoon is within 400 nm of Hong Kong, which signal would you expect to see?

GGWW

GGWG

WGGW

WWW

If a Tropical Depression / Typhoon is within 400 nm of Hong Kong, the signal that would be expected to be seen is WWW. This is because the signal system used in Hong Kong follows a specific pattern based on the proximity of a tropical depression or typhoon. When the storm is within 800 nm, the signal is W, when it is within 400 nm, the signal is WW, and when it is within 300 nm, the signal is WWW. Therefore, if the storm is within 400 nm of Hong Kong, the signal displayed would be WWW.

Explanation

If a Tropical Depression / Typhoon is within 400 nm of Hong Kong, the signal that would be expected to be seen is WWW. This is because the signal system used in Hong Kong follows a specific pattern based on the proximity of a tropical depression or typhoon. When the storm is within 800 nm, the signal is W, when it is within 400 nm, the signal is WW, and when it is within 300 nm, the signal is WWW. Therefore, if the storm is within 400 nm of Hong Kong, the signal displayed would be WWW.

90. Unberthing Twin-Screw vessel (outward turning props)

Port engine astern, Stbd engine ahead.

Port engine ahead, Stbd engine astern.

Both ahead.

Both astern.

When unberthing a twin-screw vessel with outward turning props, the correct procedure is to have the port engine ahead and the starboard engine astern. This configuration allows for better maneuverability and control of the vessel while leaving the berth. The forward thrust from the port engine combined with the reverse thrust from the starboard engine helps to pivot the vessel and steer it away from the berth effectively.

Explanation

When unberthing a twin-screw vessel with outward turning props, the correct procedure is to have the port engine ahead and the starboard engine astern. This configuration allows for better maneuverability and control of the vessel while leaving the berth. The forward thrust from the port engine combined with the reverse thrust from the starboard engine helps to pivot the vessel and steer it away from the berth effectively.

91. What is the description of a 'Force 4' winds on the Beaufort scale?

Frequent white horses.

Waves becoming longer.

11 - 16 kts.

All of the above.

A 'Force 4' winds on the Beaufort scale refers to a wind speed of 11 - 16 knots. This wind speed is strong enough to create frequent white horses, which are the white crests or foam on the surface of the waves. Additionally, the force of the wind causes the waves to become longer. Therefore, all of the given options - frequent white horses, waves becoming longer, and 11 - 16 kts - are accurate descriptions of 'Force 4' winds on the Beaufort scale.

Explanation

A 'Force 4' winds on the Beaufort scale refers to a wind speed of 11 - 16 knots. This wind speed is strong enough to create frequent white horses, which are the white crests or foam on the surface of the waves. Additionally, the force of the wind causes the waves to become longer. Therefore, all of the given options - frequent white horses, waves becoming longer, and 11 - 16 kts - are accurate descriptions of 'Force 4' winds on the Beaufort scale.

92. What do these shapes signify?

Power driven vessel.

Power driven vessel not under command.

Dredger clear side.

Survey vessel under way.

The shapes mentioned in the question are used as signals to indicate the status or condition of a vessel. In this case, the shape signifies a power-driven vessel that is not under command. This means that the vessel is unable to maneuver as required by the International Regulations for Preventing Collisions at Sea (COLREGS) due to exceptional circumstances, such as a mechanical failure or being unable to steer. This signal alerts other vessels to exercise caution and give way to the vessel in order to avoid any potential collisions.

Explanation

The shapes mentioned in the question are used as signals to indicate the status or condition of a vessel. In this case, the shape signifies a power-driven vessel that is not under command. This means that the vessel is unable to maneuver as required by the International Regulations for Preventing Collisions at Sea (COLREGS) due to exceptional circumstances, such as a mechanical failure or being unable to steer. This signal alerts other vessels to exercise caution and give way to the vessel in order to avoid any potential collisions.

93. What is this signal?

No.1 Typhoon Signal.

No.3 Typhoon Signal.

No.9 Typhoon Signal.

No.10 Typhoon Signal.

The No.10 Typhoon Signal is the highest level of warning issued by the Hong Kong Observatory when a typhoon is approaching or affecting Hong Kong. It indicates that the typhoon is expected to have a significant impact on the area, with very strong winds, heavy rain, and potential storm surges. This signal is only hoisted when the typhoon is within 500 kilometers of Hong Kong and poses a direct threat to the city. It is important for residents to take immediate precautions and stay indoors until the signal is lowered.

Explanation

The No.10 Typhoon Signal is the highest level of warning issued by the Hong Kong Observatory when a typhoon is approaching or affecting Hong Kong. It indicates that the typhoon is expected to have a significant impact on the area, with very strong winds, heavy rain, and potential storm surges. This signal is only hoisted when the typhoon is within 500 kilometers of Hong Kong and poses a direct threat to the city. It is important for residents to take immediate precautions and stay indoors until the signal is lowered.

94. Approaching a mooring, what is the greatest disadvantage of a stern wind?

The boat will try to round up into the wind.

The boat will try to lay across the wind.

It will be more difficult to round the bow up to the mooring.

More stern power is required.

When approaching a mooring with a stern wind, the greatest disadvantage is that more stern power is required. This is because the wind blowing from the stern can push the boat forward, making it difficult to slow down and control the boat's movement. To counteract this, the boat needs more power in the stern to maintain control and prevent the boat from being pushed past the mooring.

Explanation

When approaching a mooring with a stern wind, the greatest disadvantage is that more stern power is required. This is because the wind blowing from the stern can push the boat forward, making it difficult to slow down and control the boat's movement. To counteract this, the boat needs more power in the stern to maintain control and prevent the boat from being pushed past the mooring.

95. What is this signal?

No.8 Typhoon Signal, Winds from the NW

No.8 Typhoon Signal, Winds from the NE

No.8 Typhoon Signal, Winds from the SW

No.8 Typhoon Signal, Winds from the SE

This signal is the No.8 Typhoon Signal, indicating that a typhoon is approaching. The winds associated with this signal are from the NE, meaning that the wind is blowing from the northeast direction.

Explanation

This signal is the No.8 Typhoon Signal, indicating that a typhoon is approaching. The winds associated with this signal are from the NE, meaning that the wind is blowing from the northeast direction.

96. Which of the following is an indication of a vessel in distress?

An orange sheet with a black square or a black circle on it.

White smoke.

White star shell.

Fog horn sounded continuously.

A vessel in distress is indicated by a fog horn sounded continuously. This is because when a vessel is in trouble or in need of assistance, it will typically sound its fog horn repeatedly to signal its distress to other nearby vessels. The other options, such as an orange sheet with a black square or circle on it, white smoke, or a white star shell, do not specifically indicate a vessel in distress.

Explanation

A vessel in distress is indicated by a fog horn sounded continuously. This is because when a vessel is in trouble or in need of assistance, it will typically sound its fog horn repeatedly to signal its distress to other nearby vessels. The other options, such as an orange sheet with a black square or circle on it, white smoke, or a white star shell, do not specifically indicate a vessel in distress.

97. A tug towing with the length of tow over 200m is fine on the port bow. Is this the

Crossing rile.

Keep out of way rule.

Stand on rule.

End on rule.

The Stand on rule states that a vessel must maintain its course and speed when encountering another vessel. In this scenario, the tug is towing with a length of tow over 200m and is fine on the port bow, meaning it is approaching from the left side of the vessel. According to the Stand on rule, the vessel being approached must maintain its course and speed, indicating that the correct answer is the Stand on rule.

Explanation

The Stand on rule states that a vessel must maintain its course and speed when encountering another vessel. In this scenario, the tug is towing with a length of tow over 200m and is fine on the port bow, meaning it is approaching from the left side of the vessel. According to the Stand on rule, the vessel being approached must maintain its course and speed, indicating that the correct answer is the Stand on rule.

98. Which circumstances give a more accurate transit bearing?
1) Short distance between the two points.
2) Short distance between the points and the observer.
3) Long distance between the two points.
4) Long distance between the points and the observer.

1 and 2

2 and 3

1 and 3

2 and 4

A more accurate transit bearing is obtained when there is a short distance between the two points and a short distance between the points and the observer. This is because shorter distances reduce the potential for errors caused by factors such as curvature of the Earth, atmospheric refraction, and instrument limitations. The closer the points are to each other and to the observer, the less opportunity there is for these factors to introduce inaccuracies in the transit bearing measurement. Therefore, options 1 and 2 provide the circumstances that give a more accurate transit bearing.

Explanation

A more accurate transit bearing is obtained when there is a short distance between the two points and a short distance between the points and the observer. This is because shorter distances reduce the potential for errors caused by factors such as curvature of the Earth, atmospheric refraction, and instrument limitations. The closer the points are to each other and to the observer, the less opportunity there is for these factors to introduce inaccuracies in the transit bearing measurement. Therefore, options 1 and 2 provide the circumstances that give a more accurate transit bearing.

99. What is this signal?

No.1 Typhoon Signal.

No.3 Typhoon Signal.

No.9 Typhoon Signal.

No.10 Typhoon Signal.

The No.9 Typhoon Signal is the correct answer because it indicates that a typhoon is approaching and the wind is expected to increase significantly. This signal is issued when sustained winds of 41-62 mph are expected, posing a threat to the general public. It alerts people to take necessary precautions and stay indoors to ensure their safety.

Explanation

The No.9 Typhoon Signal is the correct answer because it indicates that a typhoon is approaching and the wind is expected to increase significantly. This signal is issued when sustained winds of 41-62 mph are expected, posing a threat to the general public. It alerts people to take necessary precautions and stay indoors to ensure their safety.

100. We see this ahead:

Do we:

Alter course to port.

Alter course to starboard.

Stop and assess the situation.

Wait until vessel passes clear.

Based on the given options, the correct answer is to alter course to port. This means that when we see something ahead, we should change our course to the left side. This action is taken to avoid a potential collision or any other obstacle that may be in our path. By altering the course to port, we can safely navigate around the object or vessel that we see ahead.

Explanation

Based on the given options, the correct answer is to alter course to port. This means that when we see something ahead, we should change our course to the left side. This action is taken to avoid a potential collision or any other obstacle that may be in our path. By altering the course to port, we can safely navigate around the object or vessel that we see ahead.

101. You are in your speed boat and realize that a power driven vessel dead ahead of you is too close to you wish to slow down quickly and take off all way. What signal should you give?

. . _

_ _ .

_ . _ .

. . .

The correct answer is "three short blasts of the horn".

Explanation

The correct answer is "three short blasts of the horn".

102. When water skiing when do you increase speed?

When rope is tight.

When skier says "go".

When the 2 ski tips are not out of the water.

When the sea is rough.

The correct answer is "When the 2 ski tips are not out of the water." This is because when the ski tips are not out of the water, it means that the skier is in a stable position and ready to handle an increase in speed. It indicates that the skier has a good grip on the water and can handle the additional speed without losing balance or control.

Explanation

The correct answer is "When the 2 ski tips are not out of the water." This is because when the ski tips are not out of the water, it means that the skier is in a stable position and ready to handle an increase in speed. It indicates that the skier has a good grip on the water and can handle the additional speed without losing balance or control.

103. You are in a 12m boat, what is your maximum speed in Hunghom fairway?

15 kts.

5 kts.

10 kts.

8 kts.

not-available-via-ai

Explanation

not-available-via-ai

104. You are traveling from Causeway Bay to Lei Yue Mun and you see a green conical buoy, which side do you pass?

Your north side.

Your south side.

Your seaward side.

Either side.

When traveling from Causeway Bay to Lei Yue Mun, passing a green conical buoy on your north side is the correct option. Buoys are used as navigational aids to mark channels, hazards, or other navigational information. The green color indicates that the buoy is on the starboard (right) side of the channel when returning from the sea. Therefore, passing the buoy on your north side means keeping it on your right as you continue your journey.

Explanation

When traveling from Causeway Bay to Lei Yue Mun, passing a green conical buoy on your north side is the correct option. Buoys are used as navigational aids to mark channels, hazards, or other navigational information. The green color indicates that the buoy is on the starboard (right) side of the channel when returning from the sea. Therefore, passing the buoy on your north side means keeping it on your right as you continue your journey.

105. What action should you take if you see these lights?

Stop and go back the way you just came.

Sound one short blast and turn to starboard.

Continue ahead with caution.

None of the above.

If you see these lights, you should sound one short blast and turn to starboard. This is the correct action to take according to the International Regulations for Preventing Collisions at Sea (COLREGS). Sounding one short blast indicates that you intend to pass on the starboard side of the other vessel. Turning to starboard ensures that you are keeping to the right and avoiding a potential collision. This action is necessary to maintain safe navigation and follow the rules of the road at sea.

Explanation

If you see these lights, you should sound one short blast and turn to starboard. This is the correct action to take according to the International Regulations for Preventing Collisions at Sea (COLREGS). Sounding one short blast indicates that you intend to pass on the starboard side of the other vessel. Turning to starboard ensures that you are keeping to the right and avoiding a potential collision. This action is necessary to maintain safe navigation and follow the rules of the road at sea.

106. What speed would you travel at 70 meters from Tai Koo Shing?

3 kts.

10 kts.

8 kts.

15 kts.

The correct answer is 15 kts. The question is asking for the speed at which you would travel at a distance of 70 meters from Tai Koo Shing. Since the options are given in knots (kts), the answer is 15 kts.

Explanation

The correct answer is 15 kts. The question is asking for the speed at which you would travel at a distance of 70 meters from Tai Koo Shing. Since the options are given in knots (kts), the answer is 15 kts.

107. The shaded boat is port side to the harbour wall with a bow line made fast to harbour wall but a Force 4 wind prevents the stern from coming along side. You have a single right handed screw. Would you:

Go ahead on the bow line, Rudder to Starboard.

Go astern, Rudder to port.

Wait for the wind to subside. Send out a stern line.

Any of the above.

Going ahead on the bow line with the rudder to starboard would allow the boat to move forward while also turning the stern away from the wind. This would help the boat to come alongside the harbour wall despite the force 4 wind preventing the stern from doing so. This option utilizes the boat's right-handed screw to its advantage in maneuvering the boat effectively.

Explanation

Going ahead on the bow line with the rudder to starboard would allow the boat to move forward while also turning the stern away from the wind. This would help the boat to come alongside the harbour wall despite the force 4 wind preventing the stern from doing so. This option utilizes the boat's right-handed screw to its advantage in maneuvering the boat effectively.

108. How close can you go to Stonecutters H.W. mark?

20m

50m

100m

150m

The correct answer is 150m. This indicates that the person can go as close as 150 meters to the Stonecutters H.W. mark.

Explanation

The correct answer is 150m. This indicates that the person can go as close as 150 meters to the Stonecutters H.W. mark.

109. Coming out of Tolo Harbour you sight a red and white vertical striped buoy. Do you

Pass it on either side.

Alter course to port.

Pass it to port.

Pass it to starboard.

When approaching a red and white vertical striped buoy, passing it to port is the correct action. In the International Association of Lighthouse Authorities (IALA) buoyage system, this type of buoy indicates that it should be passed on the left side when moving in the direction of the buoyage system. Therefore, passing it to port means passing it to the left side.

Explanation

When approaching a red and white vertical striped buoy, passing it to port is the correct action. In the International Association of Lighthouse Authorities (IALA) buoyage system, this type of buoy indicates that it should be passed on the left side when moving in the direction of the buoyage system. Therefore, passing it to port means passing it to the left side.

110. You are underway & making way in fog and you hear a loud whistle on the starboard bow. Do you:

Reduce speed.

Turn around and go back on opposite track.

Turn to starboard.

Take off all way.

In foggy conditions, it is important to take off all way, which means to stop the forward motion of the vessel. This is because fog can severely reduce visibility, making it difficult to navigate and avoid collisions. By taking off all way, the vessel minimizes the risk of colliding with any other vessels or objects that may be in the vicinity.

Explanation

In foggy conditions, it is important to take off all way, which means to stop the forward motion of the vessel. This is because fog can severely reduce visibility, making it difficult to navigate and avoid collisions. By taking off all way, the vessel minimizes the risk of colliding with any other vessels or objects that may be in the vicinity.

111. What is the maximum speed in the Western Dangerous Goods Anchorage?

3 kts.

5 kts.

10 kts.

15 kts.

The maximum speed in the Western Dangerous Goods Anchorage is 10 kts.

Explanation

The maximum speed in the Western Dangerous Goods Anchorage is 10 kts.

112. What is this signal?

No.8 Typhoon Signal, Winds from the NW

No.8 Typhoon Signal, Winds from the NE

No.8 Typhoon Signal, Winds from the SW

No.8 Typhoon Signal, Winds from the SE

The given signal is the No.8 Typhoon Signal, indicating that a typhoon is approaching. The winds associated with this signal are from the southeast direction.

Explanation

The given signal is the No.8 Typhoon Signal, indicating that a typhoon is approaching. The winds associated with this signal are from the southeast direction.

113. You hear one prolonged blast on the starboard bow in clear visibility. Do you

Sound . . and turn to starboard.

Sound _ and reduce speed.

Sound . and turn to port.

Stand on.

When you hear one prolonged blast on the starboard bow in clear visibility, it is a signal from another vessel that they are altering their course to starboard. In response, you should sound one prolonged blast and reduce your speed to avoid a potential collision.

Explanation

When you hear one prolonged blast on the starboard bow in clear visibility, it is a signal from another vessel that they are altering their course to starboard. In response, you should sound one prolonged blast and reduce your speed to avoid a potential collision.

114. What type of vessel shows these lights?

A vessel pushing.

A dredger foul side to starboard.

A dredger foul side to port.

None of the above

A vessel pushing: This typically involves specific lights indicating a tug and its tow. The arrangement of lights you've described (without an image to reference) might not be consistent with typical configurations for a pushing vessel unless further context (like additional white lights indicating a tow) is specified.

A dredger with the foul side to starboard: Would typically show two red lights in a vertical line on the port side, indicating that it is unsafe to pass on that side (the side showing two red lights), and two green lights on the starboard side, indicating that it is safe to pass on that side.

A dredger with the foul side to port: Would show the opposite arrangement to the above - two green lights on the port side and two red lights on the starboard side, indicating it is unsafe to pass on the starboard side.

Explanation

A vessel pushing: This typically involves specific lights indicating a tug and its tow. The arrangement of lights you've described (without an image to reference) might not be consistent with typical configurations for a pushing vessel unless further context (like additional white lights indicating a tow) is specified.

A dredger with the foul side to starboard: Would typically show two red lights in a vertical line on the port side, indicating that it is unsafe to pass on that side (the side showing two red lights), and two green lights on the starboard side, indicating that it is safe to pass on that side.

A dredger with the foul side to port: Would show the opposite arrangement to the above - two green lights on the port side and two red lights on the starboard side, indicating it is unsafe to pass on the starboard side.

115. What is this signal?

No.8 Typhoon Signal, Winds from NW.

No.3 Typhoon Signal. Strong Wind, 22-33 knots.

Strong Monsoon Signal. Wind force 22-35 knots.

No.1 Typhoon Signal.

The correct answer is "Strong Monsoon Signal. Wind force 22-35 knots." This signal indicates that there is a strong monsoon affecting the area, with wind speeds ranging from 22 to 35 knots. The other options refer to different typhoon signals and wind directions, which are not relevant to the given signal.

Explanation

The correct answer is "Strong Monsoon Signal. Wind force 22-35 knots." This signal indicates that there is a strong monsoon affecting the area, with wind speeds ranging from 22 to 35 knots. The other options refer to different typhoon signals and wind directions, which are not relevant to the given signal.

116. Which side do you pass a buoy that is flashing a white light 100 times a minute?

Your north side.

Your South side.

Your Seaward side.

Either side.

When you encounter a buoy that is flashing a white light 100 times a minute, you should pass it on either side. Buoys with white lights are often used as safe water marks, and they indicate that you can pass them on either side while navigating.

Explanation

When you encounter a buoy that is flashing a white light 100 times a minute, you should pass it on either side. Buoys with white lights are often used as safe water marks, and they indicate that you can pass them on either side while navigating.

117. What is this signal?

No.8 Typhoon Signal, Winds from the NW

No.8 Typhoon Signal, Winds from the NE

No.8 Typhoon Signal, Winds from the SW

No.8 Typhoon Signal, Winds from the SE

The correct answer is No.8 Typhoon Signal, Winds from the NW. This signal indicates that a typhoon with winds coming from the northwest is expected. The No.8 signal is one of the highest levels of typhoon warnings in some regions, indicating that the typhoon is approaching and that strong winds are expected. The wind direction mentioned in the answer further clarifies the specific direction from which the winds will be blowing.

Explanation

The correct answer is No.8 Typhoon Signal, Winds from the NW. This signal indicates that a typhoon with winds coming from the northwest is expected. The No.8 signal is one of the highest levels of typhoon warnings in some regions, indicating that the typhoon is approaching and that strong winds are expected. The wind direction mentioned in the answer further clarifies the specific direction from which the winds will be blowing.

118. What is this signal?

No.8 Typhoon Signal, Winds from the NW

No.8 Typhoon Signal, Winds from the NE

No.8 Typhoon Signal, Winds from the SW

No.8 Typhoon Signal, Winds from the SE

This signal indicates a No.8 Typhoon Signal with winds coming from the southwest.

Explanation

This signal indicates a No.8 Typhoon Signal with winds coming from the southwest.

119. In Fog a vessel towing under power but making no way should sound?

One long blast every two minutes.

Two long blasts every two minutes.

One long and short blast every two minutes.

One long and three short every one minute.

When a vessel is in fog and is towing under power but not making any way (not moving forward), it should sound one long and one short blast every two minutes. This signal indicates that the vessel is being towed and is unable to maneuver freely. The combination of one long and one short blast helps other vessels in the vicinity to identify and take necessary actions to avoid a collision.

Explanation

When a vessel is in fog and is towing under power but not making any way (not moving forward), it should sound one long and one short blast every two minutes. This signal indicates that the vessel is being towed and is unable to maneuver freely. The combination of one long and one short blast helps other vessels in the vicinity to identify and take necessary actions to avoid a collision.

Dbyc's Hong Kong Pvol Quiz Grade II