2AX5X V2 CDCs Quiz

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  • 1/116 Questions

    What type of jack is normally used to change a tire on an aircraft?

    • Tail
    • Axle.
    • Nose.
    • Fixed-height.
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About This Quiz

The 2AX5X v2 CDCs quiz tests knowledge on various maintenance stands, engine trailers, and aircraft jacks. It assesses understanding of specific equipment specifications and responsibilities in documentation, crucial for Air Force maintenance personnel.

Maintenance Quizzes & Trivia

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  • 2. 

    The three stages of matter are

    • Liquids, gases, and minerals.

    • Gases, solids, and minerals.

    • Gases, solids, and organics.

    • Liquids, gases, and solids.

    Correct Answer
    A. Liquids, gases, and solids.
    Explanation
    The correct answer is liquids, gases, and solids. This is because these three states of matter are commonly known and observed in everyday life. Liquids have a definite volume but no definite shape, gases have no definite shape or volume, and solids have both a definite shape and volume. Minerals and organics are not considered as separate states of matter, but rather substances that can exist in any of the three states.

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  • 3. 

    What is the purpose of the arrow on a check valve?

    • Show filter position within the system.

    • Indicate left- and right-hand threading.

    • Show the direction of the free flow through the valve.

    • Indicate installation points in relation to the pump.

    Correct Answer
    A. Show the direction of the free flow through the valve.
    Explanation
    The purpose of the arrow on a check valve is to show the direction of the free flow through the valve. This arrow indicates the correct orientation of the valve, ensuring that it is installed in the proper direction to allow fluid or gas to flow through it. It helps prevent backflow or reverse flow by indicating the correct flow direction.

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  • 4. 

    When servicing aircraft the gaseous nitrogen servicing trailer can be operated by

    • AGE personnel only.

    • The highest ranking person on shift.

    • Qualified operators only.

    • Any person.

    Correct Answer
    A. Qualified operators only.
    Explanation
    The gaseous nitrogen servicing trailer used for servicing aircraft should only be operated by qualified operators. This ensures that the person handling the trailer has the necessary knowledge and skills to safely and efficiently perform the task. Allowing any person to operate it could lead to accidents or mishandling of the equipment, potentially causing damage to the aircraft or endangering personnel. Therefore, it is crucial to restrict the operation of the trailer to qualified operators only.

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  • 5. 

    The most prevalent method of refueling for ground servicing is

    • Nozzle.

    • Top-off.

    • Single-point.

    • Over-the-wing.

    Correct Answer
    A. Single-point.
    Explanation
    The correct answer is single-point. Single-point refueling is the most common method used for ground servicing. It involves connecting a single nozzle to the aircraft's fuel tank, allowing for efficient and fast refueling. This method is commonly used for larger aircraft and helps to minimize the time spent on refueling during ground operations.

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  • 6. 

    When an 8-square-inch piston moves 5 inches within a cylinder, what volume of liquid is displaced?

    • 4 cubic inches

    • 40 cubic inches.

    • 400 cubic inches.

    • 4,000 cubic inches.

    Correct Answer
    A. 40 cubic inches.
    Explanation
    When an 8-square-inch piston moves 5 inches within a cylinder, the volume of liquid displaced can be calculated by multiplying the area of the piston (8 square inches) by the distance it moves (5 inches). This gives us a volume of 40 cubic inches.

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  • 7. 

    The ability to do work is the definition of

    • Energy.

    • Inertia.

    • Friction.

    • Velocity.

    Correct Answer
    A. Energy.
    Explanation
    Energy is defined as the ability to do work. It is the capacity of a system to perform tasks or cause changes in its surroundings. In physics, energy can exist in various forms such as kinetic energy, potential energy, thermal energy, and so on. In this context, inertia refers to an object's resistance to changes in its motion, friction is the force that opposes motion, and velocity is the speed of an object in a particular direction. Therefore, the correct answer is energy.

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  • 8. 

    What term describes current that reverses its direction at regularly recurring intervals?

    • Direct.

    • Inductive.

    • Reversing.

    • Alternating.

    Correct Answer
    A. Alternating.
    Explanation
    The term that describes current that reverses its direction at regularly recurring intervals is "alternating." This type of current flows in one direction for a certain period of time and then switches direction, creating a pattern of back-and-forth movement. This is in contrast to direct current, which flows in only one direction continuously. Inductive and reversing do not accurately describe this type of current.

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  • 9. 

    The most outstanding characteristic of a liquid is its

    • Rigidity.

    • Usability.

    • Ability to compress within its container.

    • Ability to conform to the shape of its container.

    Correct Answer
    A. Ability to conform to the shape of its container.
    Explanation
    The correct answer is "ability to conform to the shape of its container." This is because liquids do not have a fixed shape and can take the shape of the container they are in. Unlike solids, liquids are not rigid and can flow and change shape easily. They have the ability to adapt and fill the space available to them, making them highly conformable to the shape of their container.

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  • 10. 

    The arrow stamped on the body of a fuel system check valve indicates the

    • Direction of free flow.

    • Direction of restricted flow.

    • Location of the drilled hole in the valve.

    • Location of the manufacturer's data block.

    Correct Answer
    A. Direction of free flow.
    Explanation
    The arrow stamped on the body of a fuel system check valve indicates the direction of free flow. This means that the arrow shows the direction in which the fuel can flow freely through the valve. It is important to know this direction to ensure that the valve is installed correctly and that fuel can flow smoothly through the system.

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  • 11. 

    How are special bolts identified?

    • By a zinc-plated nickel steel covering.

    • By a galvanized-plated steel covering.

    • The bolt head is marked with a triangle.

    • The bolt head is marked with the letter S.

    Correct Answer
    A. The bolt head is marked with the letter S.
    Explanation
    Special bolts are identified by a marking on the bolt head. In this case, the marking is the letter S. This marking serves as a visual indicator that the bolt is special and may have specific properties or uses. The other options, such as a zinc-plated nickel steel covering or a galvanized-plated steel covering, do not necessarily indicate that the bolt is special, as these coverings can be applied to regular bolts as well. Therefore, the correct answer is that special bolts are identified by the letter S marked on the bolt head.

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  • 12. 

    If 50 psi of cylinder pressure acts on a 5-square-inch piston head, what will the resulting force be?

    • 150 pounds.

    • 200 pounds.

    • 250 pounds.

    • 300 pounds.

    Correct Answer
    A. 250 pounds.
    Explanation
    The resulting force can be calculated by multiplying the pressure by the area of the piston head. In this case, the pressure is 50 psi and the area is 5 square inches. Therefore, the resulting force would be 50 psi x 5 square inches = 250 pounds.

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  • 13. 

    Fuel-controlled switches normally control circuits that indicate

    • Fuel-flow.

    • Fuel level.

    • Fuel pressure.

    • All of the above.

    Correct Answer
    A. All of the above.
    Explanation
    Fuel-controlled switches are designed to control circuits that indicate various aspects related to fuel. They can be used to monitor fuel flow, fuel level, and fuel pressure. These switches are commonly used in automotive and aviation industries to ensure proper functioning and safety of fuel-related systems. Therefore, the correct answer is "all of the above" as fuel-controlled switches can control circuits that indicate fuel-flow, fuel level, and fuel pressure.

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  • 14. 

    Normally, what type of material is used in the construction of a pressure seal?

    • Soft rubber.

    • Phenolic mix.

    • Non-magnetic.

    • Thermosetting plastic.

    Correct Answer
    A. Soft rubber.
    Explanation
    Soft rubber is commonly used in the construction of a pressure seal. This material is preferred because it is flexible and can create a tight seal when compressed. Soft rubber is also resistant to chemicals and can withstand high pressure and temperature conditions. It is an ideal choice for applications where a reliable and durable seal is required, such as in plumbing, automotive, and industrial equipment.

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  • 15. 

    The majority of aircraft circuit protection devices are normally located

    • In the aircraft cabin.

    • In the nose wheel well.

    • In the utility compartments.

    • As far as possible from the unit being protected.

    Correct Answer
    A. In the aircraft cabin.
    Explanation
    The majority of aircraft circuit protection devices are normally located in the aircraft cabin because it allows for easy access and maintenance. Placing them in the cabin ensures that they can be easily monitored and serviced by the crew during flight. Additionally, locating them in the cabin helps to protect the devices from external factors such as extreme temperatures, moisture, and vibrations that may be present in other areas of the aircraft.

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  • 16. 

    The nickel-cadmium battery can be fully charged only by

    • Pulsating current.

    • Constant current.

    • Varying current.

    • Eddy current.

    Correct Answer
    A. Constant current.
    Explanation
    The nickel-cadmium battery can be fully charged only by constant current because this type of battery requires a controlled and steady flow of current to ensure a complete and efficient charging process. Pulsating current, varying current, and eddy current may not provide the necessary consistency and stability for the battery to reach its maximum charge capacity.

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  • 17. 

    Which of these is a scissor-type maintenance stand?Type question here

    • B-1

    • B-2

    • B-4

    • C-1

    Correct Answer
    A. B-4
    Explanation
    A scissor-type maintenance stand is a type of equipment used for maintenance purposes. Among the given options, B-4 is the correct answer as it is the only one that specifically mentions being a scissor-type maintenance stand. The other options do not provide any information about their type or purpose.

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  • 18. 

    Current flow in the most aircraft circuits is controlled by

    • Fuses.

    • Signals.

    • Batteries.

    • Switches.

    Correct Answer
    A. Switches.
    Explanation
    In aircraft circuits, the current flow is controlled by switches. Switches are used to open or close the circuit, allowing or preventing the flow of electricity. They provide a means of controlling the electrical systems in the aircraft, such as turning on or off lights, engines, or other components. Fuses protect the circuit from overcurrent, but they do not control the current flow. Signals are used for communication, and batteries provide power, but they do not directly control the current flow in the circuits.

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  • 19. 

    Who was the first to study the compressibility of gases?

    • Hook.

    • Boyle.

    • Pascal.

    • Charles.

    Correct Answer
    A. Boyle.
    Explanation
    Boyle was the first to study the compressibility of gases. This is known as Boyle's Law, which states that the pressure of a gas is inversely proportional to its volume at a constant temperature. Boyle conducted experiments in the 17th century and published his findings in his work "The Sceptical Chymist." His research laid the foundation for the understanding of gas behavior and the development of the field of thermodynamics.

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  • 20. 

    A well-designed aircraft fuel system will ensure

    • Positive and negative fuel-flow.

    • Negative fuel-flow under all conditions.

    • Positive fuel-flow under positive conditions.

    • Positive and reliable fuel-flow under all conditions.

    Correct Answer
    A. Positive and reliable fuel-flow under all conditions.
    Explanation
    A well-designed aircraft fuel system needs to ensure a positive and reliable fuel-flow under all conditions. This means that the fuel system should consistently deliver fuel to the engines, regardless of the aircraft's operating conditions. It should provide a continuous and sufficient flow of fuel to ensure proper engine performance and reliability. A reliable fuel-flow is crucial for the safe and efficient operation of the aircraft, as any interruption or inconsistency in fuel supply can lead to engine failure or other critical issues.

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  • 21. 

    What is the basic purpose of the fuel vent system?

    • Move fuel from tank to tank.

    • Pressurize the fuel for transfer.

    • Remove residual fuel from manifolds.

    • Prevent fuel tank rupture or collapse.

    Correct Answer
    A. Prevent fuel tank rupture or collapse.
    Explanation
    The basic purpose of the fuel vent system is to prevent fuel tank rupture or collapse. This system allows for the release of excess pressure that can build up in the fuel tank, preventing it from reaching dangerous levels that could cause the tank to rupture. Additionally, the fuel vent system also allows for the intake of air to replace the fuel that is being consumed, preventing the tank from collapsing due to a vacuum effect. Overall, the fuel vent system plays a crucial role in maintaining the structural integrity of the fuel tank.

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  • 22. 

    Who is responsible for ensuring that the AFTO Form 134 is properly documented?

    • AGE personnel.

    • Aircrew personnel.

    • Shift supervisor.

    • Everyone.

    Correct Answer
    A. Everyone.
    Explanation
    The AFTO Form 134 is a maintenance document that records the inspection and servicing of aerospace ground equipment (AGE). It is important for all personnel involved in the maintenance process to ensure that this form is properly documented. This includes AGE personnel who are directly responsible for the equipment, aircrew personnel who may use the equipment, and the shift supervisor who oversees the maintenance operations. Therefore, it is the responsibility of everyone involved to ensure that the AFTO Form 134 is properly documented.

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  • 23. 

    What supplies rotary power to the input gear of the constant speed drive (CSD)?

    • Accessory gearbox.

    • Transmission shaft.

    • Torque converter.

    • Hydraulic gear.

    Correct Answer
    A. Accessory gearbox.
    Explanation
    The accessory gearbox supplies rotary power to the input gear of the constant speed drive (CSD). This means that the accessory gearbox transfers power to the CSD, allowing it to function properly. The other options, such as the transmission shaft, torque converter, and hydraulic gear, do not perform this specific function and are therefore not the correct answer.

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  • 24. 

    What type of motor can operate on alternating current (AC) or direct current (DC)?

    • Shunt.

    • Circuit.

    • Universal.

    • Compound.

    Correct Answer
    A. Universal.
    Explanation
    A universal motor is capable of operating on both alternating current (AC) and direct current (DC). This type of motor is designed with a field winding and an armature winding connected in series, allowing it to adapt to both AC and DC power sources. The field winding provides the necessary magnetic field, while the armature winding generates the mechanical power. This versatility makes universal motors suitable for a wide range of applications, including household appliances, power tools, and small machines.

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  • 25. 

    A tube whose cross-section area is gradually reduced to a smaller size diameter is called a

    • Torus.

    • Pipette.

    • Vortex.

    • Venturi.

    Correct Answer
    A. Venturi.
    Explanation
    A tube whose cross-section area is gradually reduced to a smaller size diameter is called a venturi. A venturi is a device that is used to measure fluid flow by creating a pressure difference. As the cross-section area of the tube decreases, the fluid velocity increases, causing a decrease in pressure according to Bernoulli's principle. This principle is utilized in various applications such as in carburetors and in medical devices for oxygen delivery. A torus is a geometric shape, a pipette is a laboratory tool used for transferring small amounts of liquid, and a vortex refers to a swirling motion in a fluid.

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  • 26. 

    The MB-4 Coleman incorporates

    • Two-wheel steering, two wheel drive.

    • Two-wheel steering, four-wheel drive.

    • Four-wheel steering, two-wheel drive.

    • Four-wheel steering, four-wheel drive.

    Correct Answer
    A. Four-wheel steering, four-wheel drive.
    Explanation
    The MB-4 Coleman incorporates four-wheel steering, which means that all four wheels can turn in the same direction, allowing for improved maneuverability and tight turning radius. Additionally, it also has four-wheel drive, which means that power is delivered to all four wheels simultaneously, providing better traction and off-road capabilities. This combination of features makes the MB-4 Coleman a highly versatile and capable vehicle for various terrains and driving conditions.

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  • 27. 

    Why are aluminum alloy washers used with steel bolts on aluminum alloy parts in low torque applications?

    • Reduce shearing.

    • Prevent vibration.

    • Prevent corrosion.

    • Reduce shimming.

    Correct Answer
    A. Prevent corrosion.
    Explanation
    Aluminum alloy washers are used with steel bolts on aluminum alloy parts in low torque applications to prevent corrosion. When two dissimilar metals come into contact, such as aluminum and steel, a galvanic reaction can occur, leading to corrosion. By placing an aluminum alloy washer between the steel bolt and the aluminum alloy part, it acts as a barrier and prevents direct contact between the two metals, reducing the likelihood of corrosion.

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  • 28. 

    When any force causes a solid to change permanently, the solid is said to have

    • Passed the elastic limit.

    • Lost the ability to expand.

    • Failed to meet elastic limit.

    • Passed the compression limit.

    Correct Answer
    A. Passed the elastic limit.
    Explanation
    When a force is applied to a solid and it undergoes a permanent change, such as deformation or breaking, it means that the solid has passed its elastic limit. The elastic limit is the maximum amount of stress or force that a material can withstand without undergoing permanent deformation. Therefore, the correct answer is "passed the elastic limit."

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  • 29. 

    What usually produces flow in a pneudraulic system?

    • Relief valve in the lines.

    • Piston pushing the fluid.

    • Scupper pushing the fluid.

    • Selector valve in the lines.

    Correct Answer
    A. Piston pushing the fluid.
    Explanation
    In a pneudraulic system, flow is typically produced by the piston pushing the fluid. The piston creates pressure within the system, which in turn causes the fluid to flow through the lines. This flow allows the system to perform its intended functions, such as operating hydraulic actuators or controlling the movement of mechanical components. The relief valve, scupper, and selector valve may play important roles in regulating or directing the flow, but they do not directly produce the flow themselves.

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  • 30. 

    The purpose of a hydraulic motor is to convert hydraulic pressure into

    • Rotary mechanical motion.

    • Kinetic flow motion.

    • Straight-line motion.

    • Fluid locomotion.

    Correct Answer
    A. Rotary mechanical motion.
    Explanation
    A hydraulic motor is designed to convert hydraulic pressure, which is the force exerted by a fluid, into rotary mechanical motion. This means that it takes the energy from the hydraulic pressure and uses it to create rotational movement, which can be utilized in various applications such as powering machinery or vehicles. The other options, kinetic flow motion, straight-line motion, and fluid locomotion, do not accurately describe the main purpose of a hydraulic motor.

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  • 31. 

    Which maintenance stand has an adjustable height of 13 to 20 feet?

    • B-1

    • B-2

    • B-4

    • B-5

    Correct Answer
    A. B-2
    Explanation
    The B-2 maintenance stand has an adjustable height of 13 to 20 feet.

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  • 32. 

    What is the maximum load, in pounds, that the model 4000 engine trailer can support?

    • 7,000.

    • 8,000.

    • 9,000.

    • 10,000.

    Correct Answer
    A. 8,000.
    Explanation
    The correct answer is 8,000. This is the maximum load, in pounds, that the model 4000 engine trailer can support.

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  • 33. 

    What is the maximum tow speed for a C-10 air conditioner?

    • 5 mph.

    • 10 mph.

    • 15 mph.

    • 20 mph.

    Correct Answer
    A. 20 mph.
    Explanation
    The maximum tow speed for a C-10 air conditioner is 20 mph. This means that the air conditioner can be safely towed at speeds up to 20 mph without causing any damage or issues. It is important to adhere to this maximum tow speed to ensure the safety of the air conditioner and to prevent any potential accidents or damage.

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  • 34. 

    The FL-1D floodlight consists of two

    • 100 watt lamp fixtures.

    • 1,000 watt lamp fixtures.

    • 10,000 watt lamp fixtures.

    • 100,000 watt lamp fixtures.

    Correct Answer
    A. 1,000 watt lamp fixtures.
    Explanation
    The FL-1D floodlight consists of two 1,000 watt lamp fixtures. This means that each lamp fixture has a power rating of 1,000 watts. The total power consumption of the floodlight is the sum of the power ratings of the two lamp fixtures, which is 2,000 watts. Therefore, the correct answer is 1,000 watt lamp fixtures.

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  • 35. 

    What is the maximum towing speed of the FL-1D floodlight on smotth surfaces?

    • 5 mph.

    • 10 mph.

    • 15 mph.

    • 20 mph.

    Correct Answer
    A. 20 mph.
    Explanation
    The maximum towing speed of the FL-1D floodlight on smooth surfaces is 20 mph.

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  • 36. 

    The greater the current flow through an electromagnet, the

    • Less the strength.

    • Greater the strength.

    • Greater the retentivity.

    • Higher the reluctance of the core.

    Correct Answer
    A. Greater the strength.
    Explanation
    The greater the current flow through an electromagnet, the greater the strength. This is because the strength of an electromagnet is directly proportional to the amount of current flowing through it. As the current increases, more magnetic field lines are generated, resulting in a stronger magnetic field. Therefore, the correct answer is that the greater the current flow, the greater the strength of the electromagnet.

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  • 37. 

    What prevents a fuel tank from collapsing if an air pressure regulator fails and excessive negative pressure develops?

    • Quick-disconnect valve.

    • Fuel-level control valve.

    • Low-level shutoff valve.

    • Pressure/vacuum relief valve.

    Correct Answer
    A. Pressure/vacuum relief valve.
    Explanation
    A pressure/vacuum relief valve prevents a fuel tank from collapsing if an air pressure regulator fails and excessive negative pressure develops. This valve is designed to open when there is a significant increase in pressure or vacuum inside the tank, allowing air to enter or exit the tank to maintain a balanced pressure. By relieving the excessive negative pressure, the valve ensures that the fuel tank remains intact and does not collapse.

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  • 38. 

    What type of foreign particle appears in the fuel in a crystalline, granular, or glasslike form?

    • Rust.

    • Sand or dust.

    • Brass shavings.

    • Aluminum or magnesium compounds.

    Correct Answer
    A. Sand or dust.
    Explanation
    Sand or dust particles can appear in fuel in a crystalline, granular, or glasslike form. These foreign particles can contaminate the fuel and cause various issues, such as clogging fuel filters, damaging fuel injectors, and reducing engine performance. It is important to regularly inspect and clean the fuel system to prevent the accumulation of sand or dust particles.

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  • 39. 

    On straightaways the maximum towing speed for the Model 3000 engine trailer is

    • 10 mph.

    • 15 mph.

    • 20 mph.

    • 25 mph.

    Correct Answer
    A. 20 mph.
    Explanation
    The correct answer is 20 mph. This means that the maximum towing speed for the Model 3000 engine trailer on straightaways is 20 mph.

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  • 40. 

    The purpose of an actuating cylinder is to transform fluid pressure into

    • Angular motion.

    • A mechanical force.

    • A constant velocity.

    • An electromotive force.

    Correct Answer
    A. A mechanical force.
    Explanation
    An actuating cylinder is a device that converts fluid pressure into mechanical force. It uses the pressure of the fluid to generate a linear or angular motion, which can be used to perform various tasks such as lifting, pushing, or rotating objects. This mechanical force is essential for operating different types of machinery and systems, making the actuating cylinder an important component in many industrial applications.

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  • 41. 

    Another name for the flapper check valve is

    • Ball check valve.

    • Gate check valve.

    • Cone check valve.

    • Restrictor check valve.

    Correct Answer
    A. Gate check valve.
    Explanation
    The correct answer is "gate check valve" because a flapper check valve is also commonly referred to as a gate check valve. This type of valve uses a hinged gate or flapper to control the flow of fluid in one direction, allowing it to open and close as needed. The term "gate" is often used to describe this type of check valve due to the gate-like mechanism used for controlling the flow.

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  • 42. 

    What unit is capable of providing AC and DC electrical power, in addition to pneumatic power, for ground maintenance?

    • A/M32A-95.

    • A/M32A-86

    • A/M32A-60

    • AF/M-32R-3

    Correct Answer
    A. A/M32A-60
    Explanation
    The A/M32A-60 unit is capable of providing AC and DC electrical power, as well as pneumatic power, for ground maintenance.

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  • 43. 

    Which bolt has a recessed head and is used in high-tension applications?

    • A stud.

    • An eyebolt.

    • A hexhead.

    • An internal wrenching type.

    Correct Answer
    A. An internal wrenching type.
    Explanation
    The internal wrenching type bolt has a recessed head and is commonly used in high-tension applications. This type of bolt is designed with a hexagonal or square socket on its head, allowing for the use of an Allen wrench or other similar tools to tighten or loosen it. The recessed head provides a more secure and flush fit compared to other bolt types, making it ideal for applications where high tension and reliability are crucial.

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  • 44. 

    A shunt-type motor has

    • Less speed regulation than a universal motor.

    • A field winding in a series with the armature.

    • Low starting torque and good speed regulation.

    • High starting torque and poor speed regulation.

    Correct Answer
    A. Low starting torque and good speed regulation.
    Explanation
    A shunt-type motor has low starting torque and good speed regulation. This means that it may not have the ability to produce a high amount of torque when starting up, but it can maintain a consistent speed even under varying load conditions. The field winding in a shunt-type motor is connected in parallel (shunt) with the armature, allowing for independent control of the field current. This configuration enables the motor to have good speed regulation, meaning it can maintain a relatively constant speed even when the load changes.

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  • 45. 

    When referring to hydraulic hand pumps, double-action means

    • Fluid-flow is created with each stroke of the pump handle.

    • Fluid-flow is created with every other stroke of the pump handle.

    • Double volume is displaced with each stroke of the pump handle.

    • Double volume is displaced every other stroke of the pump handle.

    Correct Answer
    A. Fluid-flow is created with each stroke of the pump handle.
    Explanation
    In hydraulic hand pumps, double-action means that fluid-flow is created with each stroke of the pump handle. This means that with each movement of the handle, fluid is being pushed or pulled through the pump, creating a continuous flow. This is in contrast to single-action pumps, where fluid-flow is created only in one direction or with every other stroke of the pump handle. With a double-action pump, the continuous fluid-flow allows for more efficient and effective operation.

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  • 46. 

    Which of these allows normal operating speed of a hydraulic actuator in one direction while limiting speed in the other direction?

    • Automatic check valve.

    • Restrictor check valve.

    • Bypass valve.

    • Relief valve.

    Correct Answer
    A. Restrictor check valve.
    Explanation
    A restrictor check valve is designed to allow fluid flow in one direction while restricting or controlling the flow in the opposite direction. This allows the hydraulic actuator to operate at normal speed in one direction while limiting the speed in the other direction. The valve acts as a flow control device, ensuring that the actuator moves smoothly and at the desired speed in both directions.

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  • 47. 

    How are fuel leaks categorized?

    • Major and minor.

    • Class 1 through 5.

    • Class A through D.

    • Internal and external.

    Correct Answer
    A. Class A through D.
    Explanation
    Fuel leaks are categorized based on the severity and potential risk they pose. Class A through D is a commonly used classification system to categorize fuel leaks. Class A represents the most severe and dangerous leaks, while Class D represents the least severe and least dangerous leaks. This classification system helps in identifying and prioritizing the appropriate response and mitigation measures for each category of fuel leak.

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  • 48. 

    Left-hand threads on a turnbuckle can be identified by the

    • Knurl beside the fork.

    • Groove by the cable eye.

    • Knurl beside the pin eye.

    • Groove on the end of the barrel.

    Correct Answer
    A. Groove on the end of the barrel.
    Explanation
    Left-hand threads on a turnbuckle can be identified by the groove on the end of the barrel. The groove serves as a visual indicator that the turnbuckle has left-hand threads. This is important because left-hand threads are designed to be tightened in the opposite direction of right-hand threads. By having a groove on the end of the barrel, it allows users to easily identify and differentiate turnbuckles with left-hand threads from those with right-hand threads.

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  • 49. 

    A battery's internal component that is a grid or framework which supports the active chemical materials is called the

    • Plate.

    • Separator.

    • Electrolyte.

    • Chemical solution.

    Correct Answer
    A. Plate.
    Explanation
    A battery's internal component that is a grid or framework which supports the active chemical materials is called the plate. The plate provides a structure for the active materials to adhere to and allows the chemical reactions to occur, which generates the electrical energy in the battery. The plate is typically made of a conductive material such as lead or lead dioxide, depending on the type of battery.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
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  • Oct 21, 2013
    Quiz Created by
    Bigdawg
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