Punkd12 Problem S-1

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  • 1/97 Questions

    Water that is safe for people to drink is referred to by this code as ___ *           

    • Industrial water
    • Potable water
    • Soft water
    • Hard water
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About This Quiz

PUNKD12 PROBLEM S-1 assesses knowledge on plumbing systems, focusing on terminologies and functional aspects such as waste systems, pipe lengths, flush mechanisms, and water safety. It is designed for individuals advancing in plumbing careers, enhancing both theoretical and practical understanding.

Punkd12 Problem S-1 - Quiz

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  • 2. 

    All piping fixtures, and equipment shall be adequately supported in accordance with the ___.            

    • Contractor

    • Code

    • Owner

    • Engineer

    Correct Answer
    A. Code
    Explanation
    The correct answer is "code." All piping fixtures and equipment must be adequately supported in accordance with the code. The code refers to the set of regulations and standards that govern the design, construction, and maintenance of piping systems. These codes ensure that the piping systems are safe, reliable, and meet the required standards. By following the code, it ensures that the piping fixtures and equipment are properly supported, preventing any potential hazards or failures.

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  • 3. 

    Drinking fountains shall not be installed in ___.

    • Public toilet rooms

    • Schoolyards

    • Bars

    • Restaurants

    Correct Answer
    A. Public toilet rooms
    Explanation
    Drinking fountains shall not be installed in public toilet rooms because it is unhygienic and can lead to contamination of the water supply. Public toilet rooms are typically used for personal hygiene activities such as using the toilet and washing hands, which can introduce bacteria and other contaminants into the air and surfaces. Installing a drinking fountain in such an environment increases the risk of cross-contamination and can compromise the safety and quality of the drinking water.

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  • 4. 

    A device integrated within an ai accumalator vessel that is designed to discharge a predetermined quantity of water to fixtures for flushing purposes is a (an) __  *  

    • Surge tank

    • Day tank

    • Expansion tank

    • Flushometer tank

    Correct Answer
    A. Flushometer tank
    Explanation
    A flushometer tank is a device integrated within an ai accumulator vessel that is designed to discharge a predetermined quantity of water to fixtures for flushing purposes. This tank is specifically designed for flushometer systems, which are commonly used in commercial buildings. The tank holds a certain amount of water and releases it quickly and forcefully to create a powerful flush.

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  • 5. 

    Gutters in public shower rooms shall be sloped not less than ___

    • 2%

    • 3%

    • 5%

    • 10%

    Correct Answer
    A. 2%
    Explanation
    The correct answer is 2%. This is because a slope of at least 2% is necessary in gutters in public shower rooms to ensure proper drainage. A 2% slope allows water to flow smoothly towards the drain, preventing any pooling or standing water which can lead to slip hazards and unsanitary conditions. A steeper slope may cause water to flow too quickly, potentially causing splashing and increasing the risk of slipping. Therefore, a 2% slope is the ideal choice for gutters in public shower rooms.

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  • 6. 

    The provisions of the code allow an alternate material or method of construction provided it is ___.           *    

    • Approved by the architect as an alternate

    • Accepted by the owner as analternate

    • Approved by the Authority Having Jurisdiction as alternate

    • Manufactured by a reputable organization

    Correct Answer
    A. Approved by the Authority Having Jurisdiction as alternate
    Explanation
    The provisions of the code allow an alternate material or method of construction as long as it is approved by the Authority Having Jurisdiction. This means that the local governing body or agency responsible for enforcing building codes and regulations must give their approval for the alternate material or method to be used. This ensures that the proposed alternative meets the necessary safety and quality standards set by the authority.

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  • 7. 

    By code definition, a stack is always __              

    • Straight

    • Vertical

    • Horizontal

    • Exposed

    Correct Answer
    A. Vertical
    Explanation
    A stack is always vertical because it follows the Last-In-First-Out (LIFO) principle. In a vertical stack, the elements are added and removed from the same end, which is the top of the stack. This means that the most recently added element is always at the top and the first element added is at the bottom. By maintaining this vertical arrangement, the stack can efficiently perform operations such as push (adding an element) and pop (removing an element) in constant time complexity.

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  • 8. 

    Piping in the ground shall be laid on __-.                  

    • A firm bed

    • Concrete blocks

    • Redwood stakes

    • Common bricks

    Correct Answer
    A. A firm bed
    Explanation
    Piping in the ground should be laid on a firm bed to provide stability and prevent movement. This ensures that the pipes are properly supported and reduces the risk of damage or breakage. A firm bed provides a solid foundation for the piping system, allowing it to withstand external pressures and loads. It also helps to distribute the weight of the pipes evenly, preventing uneven settling or sinking. Overall, laying piping on a firm bed is essential for the long-term durability and functionality of the system.

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  • 9. 

    Gutters in public shower rooms shall be sloped not less than ___

    • 5%

    • 10%

    • 2%

    • 3%

    Correct Answer
    A. 2%
    Explanation
    Gutters in public shower rooms should be sloped at a minimum of 2% to ensure proper drainage. This slope allows water to flow towards the drain and prevents standing water, which can lead to slip and fall accidents. A slope of 2% is sufficient to maintain a steady flow of water without causing excessive water velocity or creating a tripping hazard for users.

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  • 10. 

    The length along the centerline of the pipe and fittings is the ___                

    • Diameter length

    • Circumferential length

    • Developed length

    • Diagonal length

    Correct Answer
    A. Developed length
    Explanation
    The developed length refers to the total length of a pipe or fitting when it is laid out in a straight line. It takes into account any bends, curves, or changes in direction along the centerline of the pipe or fitting. This measurement is important for determining the amount of material needed for installation, as well as for calculating pressure drop and flow rates in the system.

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  • 11. 

    Static pressure is pressure existing without any flow.    

    • True

    • False

    • Maybe

    Correct Answer
    A. True
    Explanation
    Static pressure refers to the pressure exerted by a fluid when it is at rest. It is the pressure that exists in a fluid, such as air or water, without any movement or flow. This pressure is uniform in all directions and does not change with time. Therefore, it can be stated that static pressure is pressure existing without any flow.

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  • 12. 

    The principal artery of the venting system to which branches may be connected is called the  ___

    • Branch vent

    • Vertical vent

    • Vent

    • Main vent

    Correct Answer
    A. Main vent
    Explanation
    The main vent is the principal artery of the venting system to which branches may be connected. It serves as the primary pathway for the release of air and gases from the plumbing system. The main vent ensures proper ventilation and prevents the buildup of pressure or vacuum within the system, allowing for efficient drainage and operation of the plumbing fixtures.

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  • 13. 

    The vertical depth of a trap seal is measured from __               

    • The outlet of the trap to the bottom of the trap

    • The inlet of the trap to the outlet of the trap

    • The crown weir to the top of the dip of the trap

    • The inlet of the trap to the bottom of the trap

    Correct Answer
    A. The crown weir to the top of the dip of the trap
    Explanation
    The vertical depth of a trap seal is measured from the crown weir to the top of the dip of the trap. The crown weir is the highest point of the trap, and the dip is the lowest point. Measuring from the crown weir to the top of the dip ensures that the entire depth of the trap is taken into account, providing an accurate measurement of the trap seal. Measuring from other points, such as the outlet or the inlet, may not capture the full depth of the trap.

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  • 14. 

    All materials, fixtures, or devices used or entering into the construction of plumbing and drainage systems shall ___. *    

    • Conform to approved applicable standards

    • Conform to the job specifications

    • Conform to price job

    • Conform to materials availability

    Correct Answer
    A. Conform to approved applicable standards
    Explanation
    When constructing plumbing and drainage systems, it is important for all materials, fixtures, or devices to adhere to approved applicable standards. This ensures that the systems are built to meet safety and quality requirements and will function properly. The job specifications, price, and materials availability are not as important as conforming to approved applicable standards in this context.

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  • 15. 

    The restroom facilities in a private day care center are classified as public use.   

    • True

    • False

    • Maybe

    Correct Answer
    A. True
    Explanation
    Restroom facilities in a private day care center are classified as public use because they are accessible and available for use by the general public, including the children and staff of the day care center. These facilities are not exclusive to a specific group or restricted to private use only.

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  • 16. 

    The lowest portion of the inside of a horizontal pipe is called the ___                   

    • Invert mass

    • Invert

    • Flat vent

    • Bottom

    Correct Answer
    A. Invert
    Explanation
    The lowest portion of the inside of a horizontal pipe is called the invert. This term refers to the bottom surface or level of the pipe where the flow of liquid or material is at its lowest point. The invert is important in determining the slope and elevation of the pipe, as well as for calculating the hydraulic gradient.

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  • 17. 

    Disposal of sewage, or other liquid waste, shall be by means of __

    • The drainage system of the building or premises

    • sewage retaining tanks

    • Subsurface leaching pits

    • Chemical toilets

    Correct Answer
    A. The drainage system of the building or premises
    Explanation
    The correct answer is the drainage system of the building or premises. This means that sewage or liquid waste should be disposed of through the existing drainage system in the building or premises. This is the most common and efficient method of sewage disposal, as it allows for proper treatment and removal of waste through a network of pipes and drains. Sewage retaining tanks, subsurface leaching pits, and chemical toilets are alternative methods of disposal, but they may not be as effective or practical in all situations.

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  • 18. 

    PEX is the definition for ___        

    • Polyethylene

    • Polybutylene X

    • Cross-linked polyethylene

    • None of the above

    Correct Answer
    A. Cross-linked polyethylene
    Explanation
    PEX is the abbreviation for cross-linked polyethylene. Cross-linked polyethylene is a type of plastic that is commonly used in plumbing and heating systems. It is known for its flexibility, durability, and resistance to high temperatures and chemicals. PEX pipes are often used as an alternative to traditional copper or PVC pipes due to their ease of installation and lower cost.

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  • 19. 

    A standard that is an extensive compilation of provision covering broad subject matter is the dedfinition for ___           

    • Listed

    • Legal document

    • Code

    • Standards

    Correct Answer
    A. Code
    Explanation
    A code is a standard that is an extensive compilation of provisions covering broad subject matter. It is a comprehensive set of rules or regulations that govern a particular field or industry. Codes are often used to ensure uniformity, safety, and compliance within a specific area of practice. They provide guidance and standards for professionals to follow in order to maintain quality and consistency in their work.

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  • 20. 

    No plumbing system, drainage system, building sewer, private sewage disposal system, or parts thereof, shall be located in ___             

    • Any lot other than the lot that is the site of the building served by such facilities

    • The walls, floors, or underground in any building

    • Pipe access spaces where accessible for repair

    • Any garage, or equipment or locker room

    Correct Answer
    A. Any lot other than the lot that is the site of the building served by such facilities
    Explanation
    The correct answer states that no plumbing system, drainage system, building sewer, private sewage disposal system, or parts thereof should be located in any lot other than the lot that is the site of the building served by such facilities. This means that the plumbing and sewage systems should only be installed on the same lot as the building they are serving.

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  • 21. 

    A pipe that makes an angle of not more than 45 degree with the vertical is considered ___               

    • Vertical

    • Horizontal

    • Crooked pipe

    • Diagonal pipe

    Correct Answer
    A. Vertical
    Explanation
    A pipe that makes an angle of not more than 45 degrees with the vertical is considered vertical because it is still primarily aligned with the vertical direction. The term "vertical" refers to something that is aligned or positioned in a straight up and down manner, and a pipe that deviates from this vertical alignment by not more than 45 degrees still falls within the vertical category.

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  • 22. 

    A permanently installed mechanical device, other than an ejector, for removing sewage or liquid waste from a sump is called a sewage pump.    

    • True

    • False

    • Maybe

    Correct Answer
    A. True
    Explanation
    A sewage pump is indeed a permanently installed mechanical device used for removing sewage or liquid waste from a sump. It is designed to pump the waste from one location to another, such as from a basement or lower level to a sewer line or septic tank. This helps prevent the accumulation of sewage and ensures proper disposal. Therefore, the statement "A permanently installed mechanical device, other than an ejector, for removing sewage or liquid waste from a sump is called a sewage pump" is true.

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  • 23. 

    That portion of a drainage system that does not drain by gravity into the building sewer is known as a__  

    • Storm sewer

    • Building subdrain

    • Sewer ejector

    • Building supply

    Correct Answer
    A. Building subdrain
    Explanation
    A building subdrain refers to the part of a drainage system that does not rely on gravity to drain into the building sewer. It is typically used to collect and remove excess water or sewage from below ground level, such as from basements or underground structures. This helps prevent flooding and water damage in these areas.

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  • 24. 

    No dry or chemical closet (toilet) shall be installed in any building used for human habitation unless first approved by the ___

    • Owner

    • Plumbing inspector

    • City clerk

    • Health officer

    Correct Answer
    A. Health officer
    Explanation
    The correct answer is health officer. The health officer is responsible for ensuring that proper sanitation and hygiene standards are met in buildings used for human habitation. Therefore, they must approve the installation of any dry or chemical closet (toilet) to ensure it is safe and meets the necessary health regulations.

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  • 25. 

    I.P.S. is the abbreviation for ___

    • Iron pipe standard

    • Iron pipe size

    • Inside pipe standard

    • Inside pipe size

    Correct Answer
    A. Iron pipe size
    Explanation
    I.P.S. is the abbreviation for "iron pipe size". This term is commonly used in the plumbing industry to refer to the standardized dimensions of pipes made from iron or steel. It is important to note that I.P.S. does not refer to the actual inside diameter of the pipe, but rather to the nominal size based on historical conventions.

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  • 26. 

    Sleeves shall be provided to protect all piping through  ___ and  ___ walls.

    • Floors, concrete

    • Wood, concrete

    • Concrete, masonry

    • None of the above

    Correct Answer
    A. Concrete, masonry
    Explanation
    Sleeves are used to protect piping as it passes through different types of walls. In this case, the correct answer is "concrete, masonry" because sleeves should be provided to protect piping that goes through both concrete and masonry walls. This is important to prevent any damage or leakage that could occur when the piping comes into contact with these materials.

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  • 27. 

    Joints in copper shower pan liners shall be ___.

    • Burned

    • Swaged

    • Sealed with epoxy cement

    • Soldered or brazed

    Correct Answer
    A. Soldered or brazed
    Explanation
    Joints in copper shower pan liners need to be soldered or brazed. This is because soldering or brazing creates a strong and watertight seal between the joints, ensuring that no water leaks through. Burning, swaging, or sealing with epoxy cement may not provide the same level of durability and water resistance as soldering or brazing.

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  • 28. 

    Trough urinals shall be ___.

    • Permissible if constructed of concrete

    • Prohibited

    • Allowed in bus stations

    • Required in large associations

    Correct Answer
    A. Prohibited
    Explanation
    Trough urinals are not allowed or prohibited.

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  • 29. 

    A device and system of piping that maintains a water seal in a remote trap is called a trap primer.    

    • True

    • False

    • Maybe

    Correct Answer
    A. True
    Explanation
    A trap primer is a device and system of piping that is used to maintain a water seal in a remote trap. This is necessary because the water seal in a trap prevents sewer gases from entering a building. The trap primer ensures that this water seal is constantly replenished, usually by diverting a small amount of water from a nearby source such as a water supply line. Therefore, the statement "A device and system of piping that maintains a water seal in a remote trap is called a trap primer" is true.

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  • 30. 

    Manually controlled flushometer valves shall be used to flush more than

    • One urinal

    • two urinals

    • three urinals

    • four urinals

    Correct Answer
    A. One urinal
    Explanation
    Manually controlled flushometer valves are recommended for flushing more than one urinal. This is because manually controlled valves provide better control and flexibility in terms of water flow and flushing duration. They allow the user to adjust the flush according to the specific needs of each urinal, ensuring efficient water usage and preventing wastage. Additionally, manual control allows for easier maintenance and troubleshooting if any issues arise with the flushometer valves. Therefore, it is best practice to use manually controlled flushometer valves for multiple urinals.

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  • 31. 

    Automatically controlled flushometer valves may be substituted for ___

    • Flush tanks

    • Flow control

    • Gate valves

    • Lever valves

    Correct Answer
    A. Flush tanks
    Explanation
    Automatically controlled flushometer valves may be substituted for flush tanks. Flush tanks are manually operated, while flushometer valves are automatic and use sensors or timers to control the flushing. This substitution allows for a more efficient and convenient flushing system, as the flushometer valves can regulate water usage and eliminate the need for manual flushing.

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  • 32. 

    Unsanitary and insanitary share the same meaning    

    • True

    • False

    • Maybe

    Correct Answer
    A. True
    Explanation
    Unsanitary and insanitary have the same meaning because both words describe conditions or environments that are not clean or hygienic. They are often used interchangeably to refer to places or situations that are dirty, unhygienic, or pose a risk to health.

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  • 33. 

    Burred ends of all pipe and tubing shall be ___.           

    • Painted to reduce friction

    • Reamed to the full bore of the pipe of tube

    • Avoided by use of special cutting tools

    • Confined to exposed and readily accesible locations

    Correct Answer
    A. Reamed to the full bore of the pipe of tube
    Explanation
    The correct answer is "reamed to the full bore of the pipe or tube." This means that the burred ends of all pipe and tubing should be smoothed out and widened to match the diameter of the pipe or tube. This helps to ensure proper flow and prevent any obstructions or restrictions in the system.

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  • 34. 

    All pipe, pipe fittings, tyraps, fixtures, materials, and devices used in plumbing system shall be ___    

    • Listed or labaled by a listing agency

    • Approved by the Authority Having Jurisdiction

    • Free from defects

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The correct answer is "all of the above". This means that all pipe, pipe fittings, tyraps, fixtures, materials, and devices used in a plumbing system should be listed or labeled by a listing agency approved by the Authority Having Jurisdiction, as well as being free from defects. In other words, all these requirements must be met for the plumbing system to be considered compliant and safe.

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  • 35. 

    A drinking fountain installed outside shall be connected to an approved drainage system.  

    • True

    • False

    • Maybe

    Correct Answer
    A. True
    Explanation
    The correct answer is true. A drinking fountain installed outside should be connected to an approved drainage system to ensure that any excess water or waste is properly disposed of. This helps to maintain cleanliness and prevent any potential health hazards or water damage. Without a drainage system, water from the fountain could accumulate and create a breeding ground for bacteria or cause flooding in the surrounding area. Therefore, it is important to connect the drinking fountain to an approved drainage system.

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  • 36. 

    A connection to the public sewer, or private sewage disposal system, is required for ___

    • Buildings with plumbing fixtures

    • Buildings with emergency drain systems

    • Buildings with storm drain systems

    • Buildings with or without plumbing fixtures

    Correct Answer
    A. Buildings with plumbing fixtures
    Explanation
    A connection to the public sewer, or private sewage disposal system, is required for buildings with plumbing fixtures. Plumbing fixtures such as toilets, sinks, and showers produce wastewater that needs to be properly disposed of through a sewage system. Buildings without plumbing fixtures may not produce wastewater and therefore may not require a connection to a sewage disposal system.

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  • 37. 

    Piping, fixtures, or equipment that are installed so that they interfere with normal operation and use of windows or doors shall be ___  

    • Identified for restricted use

    • Protected from damage

    • Approved if acceptable by the owner

    • Relocated to avoid interference

    Correct Answer
    A. Relocated to avoid interference
    Explanation
    Piping, fixtures, or equipment that are installed so that they interfere with normal operation and use of windows or doors should be relocated to avoid interference. This means that if any of these items are obstructing the proper functioning or accessibility of windows or doors, they should be moved to a different location to prevent any hindrance or inconvenience. This ensures that the windows and doors can be used effectively without any obstructions.

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  • 38. 

    It is permitted to drill and tap a vent pipe to connect an indirect waste pipe.   

    • True

    • False

    • Maybe

    Correct Answer
    A. False
    Explanation
    Drilling and tapping a vent pipe to connect an indirect waste pipe is not permitted. Vent pipes are specifically designed to allow air to enter the plumbing system and prevent the build-up of pressure. By drilling and tapping into a vent pipe, this function may be compromised, leading to potential issues such as drainage problems or sewer gas leaks. Therefore, it is not recommended to drill and tap a vent pipe for connecting an indirect waste pipe.

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  • 39. 

    A pressure surge-absorbing device operating through the compressibilty of air is called a(an) ___     *      

    • Flushometer valve

    • Hammer arrestor

    • Air chamber

    • Backflow preventor

    Correct Answer
    A. Air chamber
    Explanation
    An air chamber is a pressure surge-absorbing device that operates through the compressibility of air. When water flow is suddenly stopped, the momentum of the moving water creates a pressure surge in the pipes. The air chamber acts as a cushion, absorbing the pressure surge by compressing the air inside it. This helps to prevent damage to the pipes and fixtures caused by the sudden increase in pressure.

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  • 40. 

    Fixture connections between drainage pipes and water closets shall be made with__-

    • Expansion joints

    • Unions

    • Flanges

    • Hot poured compound

    Correct Answer
    A. Flanges
    Explanation
    Fixture connections between drainage pipes and water closets shall be made with flanges. Flanges provide a secure and leak-proof connection between the pipes and fixtures. They are typically made of durable materials such as stainless steel or cast iron and are designed to withstand the pressure and movement of the plumbing system. Flanges also allow for easy disconnection and reconnection of the pipes if needed for maintenance or repairs.

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  • 41. 

    The diameter of waste and overflow for a bathtub shall not be less tahn ___

    • 1-1/4 inches OD

    • 1-3/8 inches OD

    • 1-1/2 inches OD

    • 1-1/4 inches OD

    Correct Answer
    A. 1-1/2 inches OD
    Explanation
    The correct answer is 1-1/2 inches OD. This is because the diameter of the waste and overflow for a bathtub should be large enough to allow for proper drainage and prevent clogging. A larger diameter, such as 1-1/2 inches, ensures that water and waste can flow freely without obstruction.

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  • 42. 

    Tanks flushing more than one urinal shall be ___

    • *automatic in operation

    • Acid-resistant

    • Enamel

    • Manual in operation

    Correct Answer
    A. *automatic in operation
    Explanation
    Tanks flushing more than one urinal should be automatic in operation because this ensures that the flushing process is consistent and efficient. Manual operation would require someone to manually flush each urinal, which could lead to inconsistencies in flushing frequency and potentially result in unsanitary conditions. Acid-resistant enamel is not relevant to the operation of the tanks.

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  • 43. 

    The curb or threshold of a shower compartment may be eliminated ___.

    • To comply with accessibility standards

    • For gang showers

    • In hospitals only

    • Not permitted

    Correct Answer
    A. To comply with accessibility standards
    Explanation
    The curb or threshold of a shower compartment may be eliminated to comply with accessibility standards. This is because accessibility standards require that facilities be accessible to individuals with disabilities, including those who use wheelchairs or have difficulty stepping over curbs or thresholds. By eliminating the curb or threshold, it allows for easier access and use of the shower by individuals with mobility impairments.

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  • 44. 

    The combination of fittings that may be used to make an offset and is considered a vertical pipe are:            

    • 1-45 degree and 1-45 degree

    • 1-60 degree and 1-45 degree

    • 1-90 degree and 1-45 degree

    • 2-90 degree and 1-45 degree

    Correct Answer
    A. 1-45 degree and 1-45 degree
    Explanation
    To create an offset in a vertical pipe, two fittings are required: one 45-degree fitting and one 45-degree fitting. The combination of these two fittings allows for a change in direction while maintaining a vertical orientation. Using a 60-degree fitting or a 90-degree fitting would not create a vertical offset. Similarly, using two 90-degree fittings would result in a 180-degree change in direction, which is not considered a vertical offset. Therefore, the correct combination of fittings for a vertical pipe offset is 1-45 degree and 1-45 degree.

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  • 45. 

    Any pressure less than that exerted by atmospheric is a(an) __               

    • Vacuum

    • Negative pressure

    • Atmospheric pressure

    • Positive pressure

    Correct Answer
    A. Vacuum
    Explanation
    Any pressure less than that exerted by atmospheric pressure is considered a vacuum. A vacuum is a space devoid of matter, meaning there is no air or gas present. In this context, it means that the pressure is lower than the pressure exerted by the atmosphere, resulting in a vacuum. Negative pressure is not a commonly used term and atmospheric pressure refers to the pressure exerted by the atmosphere itself. Positive pressure, on the other hand, refers to a pressure that is higher than atmospheric pressure.

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  • 46. 

    Roofs, inner courts, vents shafts, light wells, or similar areas having rainwater drains shall discharge to a ___       

    • Outside of the building or to the gutter

    • Sanitary sewage system

    • Private sewage disposal system

    • Sump with pump discharge into the house drain

    Correct Answer
    A. Outside of the building or to the gutter
    Explanation
    Rainwater drains from roofs, inner courts, vents shafts, light wells, or similar areas should be discharged outside of the building or to the gutter. This is to ensure that rainwater is effectively directed away from the building to prevent water damage and flooding. Discharging the rainwater to the sanitary sewage system or private sewage disposal system would be inappropriate as these systems are designed for the disposal of wastewater and not rainwater. Similarly, using a sump with pump discharge into the house drain would not be suitable for rainwater drainage.

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  • 47. 

    The joint of a wall-hung lavatory, where it is in contact with the wall, shall be ___

    • Smooth

    • Painted

    • Concealed

    • Watertight

    Correct Answer
    A. Watertight
    Explanation
    The joint of a wall-hung lavatory, where it is in contact with the wall, should be watertight. This means that there should be no gaps or openings in the joint that could allow water to seep through. A watertight joint ensures that water does not leak into the wall, which could cause damage over time. It also helps to maintain the cleanliness and hygiene of the bathroom by preventing water from seeping into the wall and creating a breeding ground for mold and mildew.

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  • 48. 

    Voids around piping passing through concrete floors on the ground shall be ___  

    • Flanged

    • Protected

    • Sealed

    • Packed

    Correct Answer
    A. Sealed
    Explanation
    When piping passes through concrete floors on the ground, it is important to seal the voids around it. This is necessary to prevent any leakage or seepage of water or other substances through the gaps. Sealing the voids ensures that the piping remains secure and does not cause any damage to the concrete floor or the surrounding area. It also helps maintain the integrity of the piping system and prevents any potential hazards or accidents. Therefore, the correct answer is "sealed".

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  • 49. 

    Galvanized sheet steel of not less than 16 U.S. gauge may be used to make dishwashing sinks for ___-

    • Restaurants

    • Lunch counters

    • Commercial buildings

    • Residential buildings

    Correct Answer
    A. Restaurants
    Explanation
    Galvanized sheet steel of not less than 16 U.S. gauge may be used to make dishwashing sinks for restaurants because it is a durable and corrosion-resistant material that can withstand the demands of a commercial kitchen environment. It is important for dishwashing sinks in restaurants to be made of a sturdy material like galvanized sheet steel to ensure they can withstand frequent use, heavy loads, and exposure to water and cleaning chemicals.

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  • Current Version
  • Apr 07, 2024
    Quiz Edited by
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  • Jul 22, 2011
    Quiz Created by
    Punkd12

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