3e451 Volume 2 Wfm Fundamentals, Valves, And Pumps

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  • 1/100 Questions

    (203) Which of the following items should you use to remove someone from an energized circuit?

    • Metal pole
    • Piece of dry wood
    • Piece of wet wood
    • Wet article of clothing
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About This Quiz

This quiz, titled '3E451 Volume 2 WFM Fundamentals, Valves, and Pumps', assesses knowledge on workplace safety, focusing on hazards, safety briefings, and the safe use of electrical tools. Essential for enhancing safety awareness and compliance with standards like OSHA and USAF.

3e451 Volume 2 Wfm Fundamentals, Valves, And Pumps - Quiz

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  • 2. 

    (214) What is a tabulated list showing name, description, quantity, and cost of different items?

    • Bill of materials

    • Work order

    • Estimating

    • Planning

    Correct Answer
    A. Bill of materials
    Explanation
    A bill of materials is a tabulated list that provides detailed information about the different items required for a particular project or manufacturing process. It includes the name, description, quantity, and cost of each item. This list helps in estimating the overall cost of the project, planning the production process, and ensuring that all the necessary materials are available. Therefore, a bill of materials is the correct answer for this question.

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  • 3. 

    (220) What is the study of living things?

    • Biology

    • Geometry

    • Chemistry

    • Anatomy

    Correct Answer
    A. Biology
    Explanation
    Biology is the study of living things, including their structure, function, growth, origin, evolution, and distribution. It encompasses various sub-disciplines such as botany, zoology, microbiology, and genetics. Through the study of biology, scientists aim to understand the complexity and diversity of life on Earth, as well as the processes that govern living organisms. This field of study is crucial for advancements in medicine, agriculture, environmental conservation, and many other areas.

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  • 4. 

    (216) A statement that a plan is drawn to a scale of 1/4 inch = 1 foot means?

    • 1/4 inch on the print = 1 foot

    • One scale is a +/- 1/4 inch tolerance

    • One drawing is equal to 1/4 inch piping

    • A quarter of one building is drawn on one print

    Correct Answer
    A. 1/4 inch on the print = 1 foot
    Explanation
    The statement that a plan is drawn to a scale of 1/4 inch = 1 foot means that every 1/4 inch on the drawing represents 1 foot in real life. This scale is used to accurately depict the dimensions and proportions of the objects or structures being represented in the plan.

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  • 5. 

    (227) Why do you slightly open a butterfly valve before relieving the line pressure?

    • To equalize pressure on both sides of the valve

    • To increase valve clearance

    • To equalize static potential

    • To loosen flange seals

    Correct Answer
    A. To equalize pressure on both sides of the valve
    Explanation
    Opening a butterfly valve slightly before relieving the line pressure helps to equalize the pressure on both sides of the valve. This is important because if the pressure is not equalized, it can cause a sudden release of pressure when the valve is fully opened, leading to potential damage or injury. By slightly opening the valve, the pressure gradually equalizes, reducing the risk of sudden pressure release.

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  • 6. 

    (203) What is the cause of electrical shock

    • Excess voltage

    • Damp receptacles

    • Current flow through body

    • Your body's resistance to electricity

    Correct Answer
    A. Current flow through body
    Explanation
    The cause of electrical shock is the flow of current through the body. When a person comes into contact with an electrical source, such as a live wire, the current can pass through their body, causing a shock. The severity of the shock depends on factors such as the voltage of the electrical source and the resistance of the body. It is important to be cautious around electricity and to take necessary safety precautions to avoid electrical shocks.

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  • 7. 

    (205) when a ladder is properly used, what is the proper ladder length distance between the base of the ladder and the side of the building?

    • 1/8

    • 1/4

    • 1/3

    • 1/2

    Correct Answer
    A. 1/4
    Explanation
    When a ladder is properly used, the proper ladder length distance between the base of the ladder and the side of the building is 1/4. This means that for every 4 units of height the ladder reaches, the base of the ladder should be placed 1 unit away from the building. This ensures stability and prevents the ladder from tipping over.

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  • 8. 

    (221) What is the study of the composition of matter?

    • Biology

    • Chemistry

    • Ecology

    • Geology

    Correct Answer
    A. Chemistry
    Explanation
    The study of the composition of matter refers to the scientific field of chemistry. Chemistry focuses on understanding the properties, structure, and behavior of substances, as well as the changes they undergo during chemical reactions. It involves studying the elements, compounds, and molecules that make up matter and how they interact with each other. Through this study, chemists can gain insights into various aspects of matter, such as its physical and chemical properties, and use this knowledge to develop new materials, medicines, and technologies.

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  • 9. 

    (203) What are to two main hazards of using electrical power tools?

    • Fire and shock

    • Shock and grounding

    • Fire and cord abuse

    • Grounding and cord abuse

    Correct Answer
    A. Fire and shock
    Explanation
    The two main hazards of using electrical power tools are fire and shock. Fire can occur if the tool is not used properly or if there is a malfunction, leading to overheating or sparks that can ignite flammable materials. Shock can occur if there is a faulty wiring or if the tool is not properly grounded, leading to electric current passing through the body. Both fire and shock can cause serious injuries or even death, making it important to use electrical power tools with caution and follow safety guidelines.

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  • 10. 

    (203) When referring to electrical circuits, a closed circuit means?

    • Electricity is traveling through the line

    • Eelectricity has been shut off

    • Electricity poses no hazard

    • The line is safe to work on

    Correct Answer
    A. Electricity is traveling through the line
    Explanation
    A closed circuit refers to a complete path for electric current to flow. In this case, if electricity is traveling through the line, it means that the circuit is closed and there is a continuous flow of electricity. This indicates that the circuit is functioning properly and electricity is able to reach its intended destination.

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  • 11. 

    (207) Asbestos poses the greatest risk when it is

    • Wet

    • Ingested

    • Compacted

    • Released into the air

    Correct Answer
    A. Released into the air
    Explanation
    Asbestos poses the greatest risk when it is released into the air because the fibers of asbestos can become airborne and easily inhaled. Inhaling asbestos fibers can lead to serious health issues such as lung cancer, mesothelioma, and asbestosis. When asbestos is wet, ingested, or compacted, the risk of fiber release into the air is significantly reduced. Therefore, the highest risk comes from asbestos being released into the air where it can be easily inhaled.

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  • 12. 

    (211) an AF form 103, base civil engineer work clearance request, is required?

    • After you finish excavations or utility work

    • When hazards are in the area of an excevation

    • When delays are encountered and conditions on the job site change

    • Before you start any work that involves excavation or utility disturbance

    Correct Answer
    A. Before you start any work that involves excavation or utility disturbance
    Explanation
    An AF Form 103, base civil engineer work clearance request, is required before starting any work that involves excavation or utility disturbance. This form is necessary to ensure that proper procedures are followed, hazards are identified and mitigated, and necessary clearances are obtained before the work begins. It helps to ensure the safety of personnel and the integrity of the infrastructure.

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  • 13. 

    (211) How often do you check hydraulic shoring for leaking hoses or broken connections?

    • Once per shift

    • Once per week

    • Twice per week

    • Twice every other shift

    Correct Answer
    A. Once per shift
    Explanation
    The correct answer is "Once per shift." Checking hydraulic shoring for leaking hoses or broken connections once per shift is important to ensure the equipment is in proper working condition and to prevent any potential accidents or failures. Regular inspections help identify any issues early on and allow for timely repairs or replacements, ensuring the safety and efficiency of the hydraulic shoring system.

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  • 14. 

    (210) A confined space is classified by its?

    • Oxygen content and flammability only

    • Oxygen content and toxicity only

    • Flammability only

    • Oxygen content, flammability, and toxicity

    Correct Answer
    A. Oxygen content, flammability, and toxicity
    Explanation
    A confined space is classified by its oxygen content, flammability, and toxicity. These factors are important to consider in order to assess the potential risks and hazards associated with working in a confined space. The oxygen content is crucial as a lack of oxygen can lead to asphyxiation, while excessive oxygen levels can increase the risk of fire and explosions. Flammability is important to determine the potential for fires or explosions, while toxicity refers to the presence of harmful substances that can cause illness or injury to individuals working in the confined space.

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  • 15. 

    (211) What category of soil requires no shoring?

    • Solid rock

    • Type A

    • Type B

    • Type C

    Correct Answer
    A. Solid rock
    Explanation
    Solid rock does not require shoring because it is a stable and strong material that can support itself without any additional support or reinforcement. Shoring is typically needed for soils that are less stable, such as Type A, Type B, or Type C soils, which may require additional measures to prevent collapse or movement.

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  • 16. 

    (212) Use a basin wrench to reach nuts that are?

    • Hard to reach

    • Easily reached

    • Attached to the angle stop

    • Attached to the floor of the fixture

    Correct Answer
    A. Hard to reach
    Explanation
    A basin wrench is a specialized tool designed to reach and tighten nuts in tight and confined spaces, such as those found underneath sinks or in other hard-to-reach areas. It has a long handle and a swiveling jaw, allowing it to access nuts that are difficult to reach with other tools. Therefore, using a basin wrench is most appropriate for nuts that are hard to reach.

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  • 17. 

    (218) What measurement represents the amount of space an object occupies?

    • Area

    • Perimeter

    • Volume

    • Dosing

    Correct Answer
    A. Volume
    Explanation
    Volume represents the amount of space that an object occupies. It is a measurement that is used to describe the three-dimensional size of an object, taking into account its length, width, and height. Area, on the other hand, measures the amount of space occupied by a two-dimensional object, while perimeter measures the distance around the boundary of an object. Dosing is not a measurement related to space occupation.

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  • 18. 

    (215) What work has a lower priority than the recurring work program?

    • Emergency

    • Urgent

    • Routine

    • Urgent and Routine

    Correct Answer
    A. Routine
    Explanation
    Routine work has a lower priority than the recurring work program because routine tasks are typically mundane and can be performed at a later time without significant consequences. Recurring work, on the other hand, refers to tasks that are repeated regularly and require immediate attention to ensure smooth operations. Therefore, the urgency of routine work is generally lower compared to the urgent and emergency tasks that may arise unexpectedly.

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  • 19. 

    (216) What do you do to a base utility map any time you make a change in a utility system?

    • Discard the old prints

    • Never modify original prints

    • Have all original prints cleared through engineering

    • Note changes on prints and notify engineering for updates

    Correct Answer
    A. Note changes on prints and notify engineering for updates
    Explanation
    Whenever a change is made in a utility system, it is important to note those changes on the base utility map and notify engineering for updates. This ensures that the map remains accurate and up to date, allowing for effective planning and maintenance of the utility system. Modifying the original prints or discarding them can lead to confusion and errors, so it is best to keep the original prints intact and make changes on them as necessary. Clearing the prints through engineering helps to ensure that the changes are properly reviewed and approved.

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  • 20. 

    (228) When removing a manual valve from a fuel pipeline, which bolts on the valve should you loosen first to drain the fuel into a drip pan?

    • Top

    • Bottom

    • Left side

    • Right side

    Correct Answer
    A. Bottom
    Explanation
    When removing a manual valve from a fuel pipeline, loosening the bolts on the bottom of the valve first allows the fuel to drain into a drip pan. This is because the bottom of the valve is typically the lowest point in the pipeline, allowing gravity to assist in draining the fuel effectively. Loosening the bolts on the top, left side, or right side of the valve would not allow for efficient drainage of the fuel.

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  • 21. 

    (202) When should supervisors give safety briefings to new workers?

    • Daily

    • Weekly

    • Monthly

    • Quarterly

    Correct Answer
    A. Daily
    Explanation
    Supervisors should give safety briefings to new workers daily to ensure that they are aware of and understand the safety protocols and procedures in the workplace. By providing daily safety briefings, supervisors can keep new workers informed about any updates or changes in safety practices, reinforce important safety guidelines, and address any questions or concerns that new workers may have. This regular communication helps to promote a culture of safety and reduces the risk of accidents or injuries in the workplace.

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  • 22. 

    (211) Whether excavations are open for a day or for weeks you must have?

    • Warning signs

    • Motion detectors

    • Guards posted 24/7

    • Temporary fencing or concrete barricades

    Correct Answer
    A. Temporary fencing or concrete barricades
    Explanation
    When excavations are open, it is necessary to have temporary fencing or concrete barricades in place. This is important for safety reasons as it helps to prevent unauthorized access to the site and keeps pedestrians and vehicles away from the potentially hazardous area. Temporary fencing or concrete barricades act as a physical barrier, ensuring that people stay at a safe distance and reducing the risk of accidents or injuries. This precaution is essential whether the excavations are open for a day or for weeks, as safety measures must be in place at all times during the excavation process.

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  • 23. 

    (213) When the cutting wheel on a pipe cutter becomes chipped or worn?

    • Sharpen it with a bench grinder

    • Sharpen it with a special file

    • Replace worn cutting wheel

    • Readjust cutting wheel

    Correct Answer
    A. Replace worn cutting wheel
    Explanation
    When the cutting wheel on a pipe cutter becomes chipped or worn, it is necessary to replace it. Sharpening it with a bench grinder or a special file may not be effective in restoring its cutting ability. By replacing the worn cutting wheel, the pipe cutter will be able to function properly and make clean cuts on pipes. Readjusting the cutting wheel may not solve the problem if it is already worn or chipped.

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  • 24. 

    (201) What Air Force form do you complete to report a hazard?

    • 457, USAF hazard report

    • 448, USAF hazard report

    • 457, DOD hazard report

    • 448, DOD hazard report

    Correct Answer
    A. 457, USAF hazard report
    Explanation
    To report a hazard in the Air Force, you would complete the 457 USAF hazard report. This form is specifically designed for Air Force personnel to report any potential hazards or safety concerns they encounter. It allows for the documentation and tracking of hazards, ensuring that they are addressed and mitigated in a timely manner. The other options listed, 448 USAF hazard report and 457/448 DOD hazard report, are incorrect as they do not accurately represent the form used in the Air Force.

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  • 25. 

    (213) Pipe die sets consist of a?

    • Handle, holder, and die set

    • Handle and die set

    • Holder and die set

    • Die set

    Correct Answer
    A. Handle, holder, and die set
    Explanation
    Pipe die sets consist of a handle, holder, and die set. The handle is used to provide a grip and leverage for the user to rotate the die set. The holder is used to securely hold the die set in place while it is being used. The die set contains the actual dies, which are used to cut or shape the pipe. Therefore, all three components are necessary for a complete pipe die set.

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  • 26. 

    (218) What measurement is used to determine the surface area of a shape?

    • Area

    • Perimeter

    • Volume

    • Dosing

    Correct Answer
    A. Area
    Explanation
    The measurement used to determine the surface area of a shape is called "Area". Area is the measurement of the space inside a two-dimensional shape, such as a square or a circle. It is calculated by multiplying the length and width of the shape. The surface area of a shape is important in various fields such as architecture, construction, and geometry, as it helps in determining the amount of material needed to cover or construct a surface.

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  • 27. 

    (203) How many wires do properly grounded power tools and extension cords have?

    • 1

    • 2

    • 3

    • 4

    Correct Answer
    A. 3
    Explanation
    Properly grounded power tools and extension cords typically have three wires. The three wires are the hot wire, the neutral wire, and the grounding wire. The hot wire carries the current from the power source to the device, the neutral wire carries the current back to the power source, and the grounding wire provides a safe path for electrical current to dissipate in the event of a fault or electrical surge. Having all three wires properly connected and grounded ensures the safety of the user and protects against electrical hazards.

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  • 28. 

    (203) What do you use to remove someone from an energized circuit?

    • Non-insulated object

    • Wet wooden pole

    • Insulated object

    • Bare hands

    Correct Answer
    A. Insulated object
    Explanation
    To remove someone from an energized circuit, it is important to use an insulated object. This is because an insulated object, such as a rubber glove or a non-conductive tool, prevents the flow of electric current through the person's body. Using a non-insulated object, like bare hands or a wet wooden pole, can result in electric shock or injury as the current can pass through these objects and into the person's body.

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  • 29. 

    (220) What is the major factor that affects the growth rate of an organism?

    • Temperature

    • Light

    • Age

    • PH

    Correct Answer
    A. Temperature
    Explanation
    The growth rate of an organism is primarily influenced by temperature. Temperature affects the metabolic rate of organisms, with higher temperatures generally promoting faster growth. This is because higher temperatures increase enzyme activity, allowing for more efficient biochemical reactions and nutrient uptake. Conversely, lower temperatures can slow down growth as metabolic processes become less efficient. Therefore, temperature is a major factor that determines the growth rate of an organism.

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  • 30. 

    (203) When administering CPR, what is the ratio of chest compression's to ventilation's (rescue breaths)?

    • 30 chest compression's to two rescue breaths

    • 20 chest compression's to five rescue breaths

    • 30 chest compression's to five rescue breaths

    • 20 chest compression's to two rescue breaths

    Correct Answer
    A. 30 chest compression's to two rescue breaths
    Explanation
    The correct answer is 30 chest compressions to two rescue breaths. During CPR, it is important to maintain a ratio of 30 compressions to 2 breaths. This ratio ensures that there is enough circulation and oxygenation to the victim's body. Chest compressions help to pump blood to the vital organs, while rescue breaths provide oxygen to the lungs. This combination of compressions and breaths helps to keep the person alive until advanced medical help arrives.

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  • 31. 

    (203) what is critical when dealing with a victim in shock?

    • Make them sit up

    • Give victim water

    • Maintain body temperature

    • Elevate the victims head 12 inches

    Correct Answer
    A. Maintain body temperature
    Explanation
    When dealing with a victim in shock, it is critical to maintain their body temperature. Shock can cause a decrease in body temperature, leading to further complications. By maintaining their body temperature, we can help prevent a drop in blood pressure, improve blood flow, and support the overall functioning of their body systems. This can be achieved by providing warm blankets or clothing, keeping the victim in a warm environment, and avoiding exposure to cold temperatures.

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  • 32. 

    (214) What happens when an individual planning a job orders the incorrect material by mistake?

    • Civil engineering must accept the material, even if it cant use it for that job

    • The individual who planned the job pays for the incorrect material

    • The individual who ordered the incorrect materials is entered into training

    • Incorrect material that are actually delivered are returned at the senders expense

    Correct Answer
    A. Civil engineering must accept the material, even if it cant use it for that job
  • 33. 

    (221) What is the smallest unit of an element?

    • Molecule

    • Atom

    • Nucleus

    • Electron

    Correct Answer
    A. Atom
    Explanation
    An atom is the smallest unit of an element. It is composed of a nucleus, which contains protons and neutrons, and electrons that orbit the nucleus. Atoms are the building blocks of matter and cannot be broken down into smaller particles without losing their chemical properties. Therefore, an atom is the correct answer as it is the fundamental unit of an element.

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  • 34. 

    (210) Who must be the last person to sign the entry permit after all conditions are met?

    • Chief of ground safety

    • Fire department chief

    • Entry supervisor

    • Commander

    Correct Answer
    A. Entry supervisor
    Explanation
    The entry supervisor must be the last person to sign the entry permit after all conditions are met because they are responsible for overseeing and managing the entry process. They ensure that all necessary precautions and safety measures have been taken before allowing anyone to enter a restricted area. The entry supervisor's signature indicates that they have reviewed and approved the entry permit, confirming that all conditions have been met and it is safe for individuals to proceed with entry.

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  • 35. 

    (227) Why must care be taken when installing a valve box over a pipe valve?

    • To ensure proper alignment of the valve key to the valve operating nut

    • So that the valve box is not installed upside down

    • To ensure the valve box fits snugly on the pipe

    • To prevent debris from entering the valve box

    Correct Answer
    A. To ensure proper alignment of the valve key to the valve operating nut
    Explanation
    When installing a valve box over a pipe valve, care must be taken to ensure proper alignment of the valve key to the valve operating nut. This is important because if the alignment is not correct, it can make it difficult or impossible to operate the valve using the key. Proper alignment ensures that the key can be inserted into the operating nut and turned smoothly to open or close the valve.

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  • 36. 

    (206) When diluting acid with water, always add the acid slowly to the water while stirring to?

    • Reduce splattering that causes acid burns on skin and clothing

    • Reduce the chemical irritation of eyes and nasal passages

    • Stop the toxic buildup of hazardous gases

    • Reduce the chances of spillage

    Correct Answer
    A. Reduce splattering that causes acid burns on skin and clothing
    Explanation
    When diluting acid with water, adding the acid slowly to the water while stirring helps to reduce splattering that can cause acid burns on the skin and clothing. This is because adding water to acid can cause a strong exothermic reaction, which can lead to the acid splattering out of the container. By adding the acid slowly and stirring, the reaction is better controlled, minimizing the risk of splattering and potential harm to the skin and clothing.

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  • 37. 

    (205) What type of equipment does the DD form 1547 yellow tag identify?

    • Unserviceable

    • Condemned

    • Serviceable

    • Recycled

    Correct Answer
    A. Serviceable
    Explanation
    The DD form 1547 yellow tag identifies serviceable equipment. This means that the equipment is in good working condition and can be used for its intended purpose. The yellow tag serves as a visual indicator for personnel to easily identify that the equipment has been inspected and deemed serviceable.

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  • 38. 

    (212) Do not use water pump (channel lock) pliers on?

    • Galvanized fittings

    • Black-iron fittings

    • Chrome fittings

    • Plastic fittings

    Correct Answer
    A. Chrome fittings
    Explanation
    Water pump pliers, also known as channel lock pliers, have serrated jaws that can cause damage to delicate surfaces. Chrome fittings are typically made of a softer material and have a polished finish, which can easily get scratched or marred by the teeth of water pump pliers. Therefore, it is not recommended to use water pump pliers on chrome fittings to avoid damaging the surface.

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  • 39. 

    (209) before using laboratory equipment, you should consult the?

    • Sales representative

    • Lab operating instructions

    • Standard laboratory methods

    • Technical orders and manufacturer's manuals

    Correct Answer
    A. Technical orders and manufacturer's manuals
    Explanation
    Before using laboratory equipment, it is important to consult technical orders and manufacturer's manuals. These documents provide detailed instructions and guidelines on how to properly operate and maintain the equipment. By referring to these resources, users can ensure that they are using the equipment correctly and safely, minimizing the risk of accidents or damage. Additionally, technical orders and manufacturer's manuals often contain troubleshooting tips and information on calibration and maintenance procedures, which can help users troubleshoot any issues that may arise during the use of the equipment.

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  • 40. 

    (208) which type of fire extinguisher should you use to extinguish fires caused by flammable/combustible liquids, oils, or greases?

    • A

    • B

    • C

    • D

    Correct Answer
    A. B
    Explanation
    The correct answer is B. B fire extinguishers, also known as foam extinguishers, are suitable for extinguishing fires caused by flammable/combustible liquids, oils, or greases. Foam extinguishers work by smothering the fire and cooling the fuel source, preventing re-ignition. They are effective for Class B fires, which involve flammable liquids such as gasoline, oil, and grease. Foam extinguishers are not suitable for electrical fires or fires involving flammable metals.

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  • 41. 

    (228) Where would you find out which valves have to be isolated before removing a manual valve from a pipeline?

    • Co-workers

    • As-built drawings

    • API standard 6D

    • Air Force standard drawings

    Correct Answer
    A. As-built drawings
    Explanation
    As-built drawings would provide information about the current layout and configuration of the pipeline, including the location and arrangement of valves. These drawings are typically updated during the construction or modification of a pipeline to reflect any changes made. By referring to the as-built drawings, one can identify the valves that need to be isolated before removing a manual valve from the pipeline, ensuring the safety and integrity of the system.

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  • 42. 

    (213) What should be applied to a strap wrench to prevent slipping?

    • Oil

    • Rosin

    • Water

    • Teflon paste

    Correct Answer
    A. Rosin
    Explanation
    Rosin should be applied to a strap wrench to prevent slipping. Rosin is a sticky substance commonly used in various applications to improve grip. When applied to a strap wrench, it enhances the friction between the wrench and the object being tightened or loosened, reducing the chances of slipping and ensuring a secure grip. This makes it easier to apply the necessary force without the wrench slipping off the object.

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  • 43. 

    (217) What three views are used in working sketches?

    • Isometric, back, and side

    • Top, side, and isometric

    • Front, back, and side

    • Back, top, and front

    Correct Answer
    A. Top, side, and isometric
    Explanation
    The three views used in working sketches are top, side, and isometric. These views allow for a comprehensive understanding of an object or design from different angles. The top view shows the object from above, the side view shows it from the side, and the isometric view provides a three-dimensional representation. By combining these views, designers and engineers can accurately communicate their ideas and ensure that all necessary information is conveyed.

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  • 44. 

    (214) An important technique to use when planning jobs is to?

    • Read the building schematics

    • Talk to the customer by phone

    • Complete the job

    • Visit the work site

    Correct Answer
    A. Visit the work site
    Explanation
    An important technique to use when planning jobs is to visit the work site. This allows the planner to assess the specific requirements, challenges, and conditions of the site, which cannot be fully understood through reading schematics or talking to the customer by phone. By physically visiting the work site, the planner can gather accurate information, identify any potential obstacles or risks, and make more informed decisions regarding the job plan. This ensures that the job is properly planned and executed, leading to better outcomes and customer satisfaction.

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  • 45. 

    (218) How many feet of head does one pound per square inch of water produce?

    • 1.31

    • 2.31

    • 3.31

    • 4.31

    Correct Answer
    A. 2.31
    Explanation
    One pound per square inch of water produces 2.31 feet of head. This means that for every pound of pressure applied to a square inch of water, the water will rise or be pushed up by a height of 2.31 feet.

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  • 46. 

    (219) Which metric prefix equals 1,000?

    • Milli

    • Centi

    • Deci

    • Kilo

    Correct Answer
    A. Kilo
    Explanation
    The metric prefix "kilo" equals 1,000. It is commonly used to indicate a factor of 1,000 in measurements. For example, kilogram represents 1,000 grams and kilometer represents 1,000 meters.

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  • 47. 

    (216) What is another name for a site plan

    • Plot plan

    • Working plan

    • Conditional plan

    • Developmental plan

    Correct Answer
    A. Plot plan
    Explanation
    A plot plan is another name for a site plan. A plot plan is a detailed drawing that shows the layout of a property, including the location of buildings, driveways, landscaping, and other features. It provides a visual representation of how the site will be developed and is commonly used in construction and land development projects.

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  • 48. 

    (218) What is the weight of one gallon of water?

    • 6.34 lbs

    • 7.34 lbs

    • 8.34 lbs

    • 9.34 lbs

    Correct Answer
    A. 8.34 lbs
    Explanation
    One gallon of water weighs 8.34 lbs. This is because the weight of water is influenced by its density, which is about 8.34 lbs per gallon.

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  • 49. 

    (226) Why is a ball valve a suitable substitute for a non-lubricated plug valve?

    • It is also non-lubricated and will not restrict flow

    • The standard port will not affect venturi

    • Inspection frequencies are the same

    • It only takes a quarter turn to open

    Correct Answer
    A. It is also non-lubricated and will not restrict flow
    Explanation
    A ball valve is a suitable substitute for a non-lubricated plug valve because it is also non-lubricated, meaning it does not require additional lubrication to function properly. This is beneficial as it eliminates the need for regular maintenance and reduces the chances of leakage. Additionally, a ball valve does not restrict flow, allowing for smooth and efficient operation.

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  • Aug 20, 2024
    Quiz Edited by
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  • Feb 18, 2013
    Quiz Created by
    Pggomoljak328
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