Plumbing And Sanitary Quiz Set B

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  • 1/80 Questions

    A plumbing fixture used for washing the middle private part of the body, especially the genitals.

    • Ball Faucet
    • Water Hose
    • Bidet
    • Mini Shower
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About This Quiz

Are you planning to study engineering or are you looking to learn about plumbing and sanitary? The quiz will assist you in identifying the most idyllic place for your engineering studies

Plumbing And Sanitary Quiz Set B - Quiz

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  • 2. 

    A house drain that receives discharges from industrial equipment that contain some objectionable acid wastes.

    • Combined Drain

    • Storm Drain

    • Industrial Drain

    • Sanitary Drain

    Correct Answer
    A. Industrial Drain
    Explanation
    An industrial drain is the correct answer because it is specifically designed to receive discharges from industrial equipment, including those that contain objectionable acid wastes. This type of drain is built to handle the unique demands and potential hazards associated with industrial waste, ensuring proper disposal and preventing any negative impacts on the environment or public health.

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  • 3. 

    Is a device used in a drainage system to prevent the reversal of flow

    • Suppression Valve

    • Return Valve

    • Backflow Valve

    • Pressure Valve

    Correct Answer
    A. Backflow Valve
    Explanation
    A backflow valve is a device used in a drainage system to prevent the reversal of flow. It allows the flow of water or other fluids in only one direction, preventing any backflow or back-contamination. This is important in preventing the mixing of clean water with potentially contaminated water, which could pose health risks. The backflow valve ensures that water flows in the desired direction, protecting the integrity and safety of the drainage system.

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  • 4. 

    It conveys all storm clear water or surface water waste except sanitary wastes. it terminates into lakes, rivers, or natural basins.

    • Combined Drain

    • Storm Drain

    • Industrial Drain

    • Sanitary Drain

    Correct Answer
    A. Storm Drain
    Explanation
    A storm drain is a type of drain that is designed to carry away stormwater or surface water waste, excluding sanitary wastes. It is responsible for collecting rainwater from roads, parking lots, and other surfaces, and directing it into lakes, rivers, or natural basins. Unlike sanitary drains, which handle wastewater from toilets, sinks, and other sources, storm drains specifically deal with rainwater runoff.

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  • 5. 

    It is a receptacle used to receive water to be drained from the floor into the plumbing system.

    • House Drain

    • Oversize House Drain

    • Floor Drain

    • Catch Basin

    Correct Answer
    A. Floor Drain
    Explanation
    A floor drain is a receptacle designed to collect and drain water from the floor into the plumbing system. It is commonly found in areas prone to water accumulation, such as basements, laundry rooms, and commercial kitchens. The floor drain prevents water damage by efficiently removing excess water and directing it to the sewer or septic system. It is an essential component in maintaining a dry and safe environment, especially in buildings with high water usage or in flood-prone areas.

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  • 6. 

    A room equipped with a only 1 WC and Lavatory

    • Half Bathroom

    • Bathroom Group

    • Bathroom

    • Shower room

    Correct Answer
    A. Half Bathroom
    Explanation
    A half bathroom typically refers to a small room that contains only a toilet and a sink, without a shower or bathtub. In this case, the room is equipped with only one WC (toilet) and a lavatory (sink), which aligns with the definition of a half bathroom. It does not include a shower or bathtub, making it different from a full bathroom or a shower room. Therefore, the correct answer is "Half Bathroom".

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  • 7. 

    An act to regulate the trade of Master Plumber in the Philippines

    • RA 1378

    • RA 1364

    • RA 386

    • PD 1067

    Correct Answer
    A. RA 1378
    Explanation
    RA 1378 is the correct answer because it is the act that specifically regulates the trade of Master Plumbers in the Philippines. The other options, RA 1364, RA 386, and PD 1067, do not pertain to the trade of Master Plumbers and therefore are not the correct answer.

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  • 8. 

    It is installed outside the foundation wall of the building.

    • Overhead Storm Drain

    • Outside Storm Drain

    • Splash Pan

    • Inside Storm Drain

    Correct Answer
    A. Outside Storm Drain
    Explanation
    An outside storm drain is installed outside the foundation wall of a building. This type of storm drain is designed to collect and divert rainwater away from the building's foundation, preventing water damage and flooding. By being located outside the foundation wall, it can efficiently capture and redirect water from the surrounding area, keeping the building and its surroundings dry and safe.

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  • 9. 

    Storm Drain is installed provided a slope of NOT MORE THAN ______ PER METER RUN.

    • 0.5 %

    • 1 %

    • 1.5 %

    • 2 %

    Correct Answer
    A. 2 %
    Explanation
    Storm Drain is installed provided a slope of NOT MORE THAN 2% PER METER RUN. This means that the maximum slope allowed for the storm drain installation is 2% per meter. A slope of 2% means that for every meter of horizontal distance, the drain can drop 2 centimeters in elevation. This slope is necessary to ensure proper drainage and prevent water from pooling or stagnating in the drain. A steeper slope could cause water to flow too quickly, potentially causing erosion or damage to the drain system.

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  • 10. 

    It is popularly known as water conductor or downspout.

    • Overhead Storm Drain

    • Roof Leader

    • Splash Pan

    • Inside Storm Drain

    Correct Answer
    A. Roof Leader
    Explanation
    A roof leader is a term used to describe a water conductor or downspout that is commonly found on roofs. It is responsible for directing rainwater or melted snow from the roof to the ground, preventing water damage to the building's structure. This term is widely recognized and used in the construction industry.

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  • 11. 

    Is a device used in kitchens serving hotels, dining rooms, clubhouses and restaurants.

    • Yard Catch Basin

    • Grease Basin

    • Garage Catch Basin

    • Oil Catch Basin

    Correct Answer
    A. Grease Basin
    Explanation
    A grease basin is a device used in kitchens serving hotels, dining rooms, clubhouses, and restaurants. It is specifically designed to catch and collect grease and oil that is produced during cooking processes. This helps to prevent the grease from clogging drains and causing plumbing issues. The grease basin is an essential tool in maintaining a clean and efficient kitchen environment.

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  • 12. 

    A part of the vent line, which connects directly with an individual trap underneath or behind the fixture and extends to the branch or main vent pipe at any point higher than fixture or fixture traps it serves.

    • Backflow Connection

    • Back-Siphonage

    • Back Pressure Backflow

    • Back-Vent Pipe

    Correct Answer
    A. Back-Vent Pipe
    Explanation
    The back-vent pipe is a part of the vent line that connects directly with an individual trap underneath or behind a fixture. It extends to the branch or main vent pipe at a point higher than the fixture or fixture traps it serves. This configuration helps to prevent backflow and maintain proper pressure in the plumbing system.

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  • 13. 

    A type of house drain that receives discharges of sanitary waste as well as storm water. this is the oldest form of house drain and NO longer permitted.

    • Combined Drain

    • Storm Drain

    • Industrial Drain

    • Sanitary Drain

    Correct Answer
    A. Combined Drain
    Explanation
    A combined drain is a type of house drain that receives both sanitary waste and storm water. This type of drain was commonly used in the past but is no longer permitted. It is called a combined drain because it combines the discharge of both types of waste. This can lead to issues such as contamination of water sources and overloading of sewer systems. Due to these concerns, combined drains are no longer allowed and separate systems for sanitary waste and storm water are now required.

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  • 14. 

    A group of fixtures consisting 1WC, 1 or 2 Lavatory, Bathtub Bath/Shower, Shower, Urinal or Bidet, Emergency Floor Drain.

    • Half Bathroom

    • Bathroom Group

    • Bathroom

    • Shower room

    Correct Answer
    A. Bathroom Group
    Explanation
    The term "Bathroom Group" is the most appropriate answer because it accurately describes a collection of fixtures that are commonly found in a bathroom. The group includes a WC, Lavatory, Bathtub Bath/Shower, Shower, Urinal or Bidet, and an Emergency Floor Drain. This term encompasses all the necessary fixtures for a complete bathroom setup, making it the correct choice.

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  • 15. 

    The unobstructed vertical distance through the free atmosphere between the outlet of water pipe and the flood level rim of the receptacle into which it is discharging.

    • Air Break

    • Pressure Gap

    • Air Stop

    • Air Gap

    Correct Answer
    A. Air Gap
    Explanation
    An air gap refers to the unobstructed vertical distance between the outlet of a water pipe and the flood level rim of the receptacle it is discharging into. It is a physical separation that prevents backflow of contaminated water into the potable water supply. The air gap acts as a barrier, ensuring that there is no direct connection between the two systems, thus protecting the water quality. This is an important safety measure in plumbing systems to prevent the risk of contamination.

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  • 16. 

    It is adopted when the street drainage is higher in elevation than the basement floor of the building.

    • Overhead Storm Drain

    • Outside Storm Drain

    • Splash Pan

    • Inside Storm Drain

    Correct Answer
    A. Overhead Storm Drain
    Explanation
    The correct answer is "Overhead Storm Drain". This type of storm drain is adopted when the street drainage is higher in elevation than the basement floor of the building. It is designed to collect and divert rainwater or stormwater from the street or surrounding areas above ground level, preventing it from entering the basement or lower levels of the building. This type of storm drain is typically installed overhead, above the basement floor, to ensure proper drainage and prevent flooding.

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  • 17. 

    A valve opened and closed by the fall and rise respectively, of an attached ball floating on the surface of the liquid.

    • Ball Valve

    • Angle Valve

    • Ball Pressure Valve

    • Ball Cup

    Correct Answer
    A. Ball Valve
    Explanation
    A ball valve is a type of valve that is opened and closed by the movement of a ball floating on the surface of the liquid. When the ball rises, it opens the valve, allowing the liquid to flow through. When the ball falls, it closes the valve, stopping the flow of liquid. This design allows for quick and efficient control of the flow, making ball valves commonly used in various industries for their reliability and ease of operation.

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  • 18. 

    Is a  receptacle used to catch surface water drained from cemented courts, driveways, and yards.

    • Yard Catch Basin

    • Yard Drain

    • Garage Catch Basin

    • Exterior Basin

    Correct Answer
    A. Yard Catch Basin
    Explanation
    A yard catch basin is a receptacle used to catch surface water drained from cemented courts, driveways, and yards. It is designed to collect and redirect excess water, preventing it from pooling or causing damage to the surrounding area. This type of catch basin is specifically designed for use in yards, making it the most appropriate choice among the given options. A garage catch basin would be used specifically for catching water drained from a garage, while an exterior basin is a more general term that does not specify its purpose.

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  • 19. 

    It is sometimes located under the basement floor or within the walls of the buildings.

    • Overhead Storm Drain

    • Outside Storm Drain

    • Splash Pan

    • Inside Storm Drain

    Correct Answer
    A. Inside Storm Drain
    Explanation
    An inside storm drain is sometimes located under the basement floor or within the walls of buildings. This type of storm drain is designed to collect and channel rainwater or other runoff from inside the building, preventing flooding and water damage. It is typically connected to the outside storm drain system, allowing the water to be safely directed away from the building.

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  • 20. 

    A flange that closes the end of a pipe. There is no opening for the passage of air or liquid.

    • Pipe Flange

    • Reverse Flange

    • Closed Flange

    • Blind Flange

    Correct Answer
    A. Blind Flange
    Explanation
    A blind flange is a type of flange that is used to close the end of a pipe. It does not have any opening or passage for the flow of air or liquid. It is commonly used in piping systems where the end of a pipe needs to be sealed off to prevent leakage or to block the flow of substances. The blind flange is usually bolted onto the end of the pipe, providing a secure and tight seal.

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  • 21. 

    The flowing back of used, contaminated or polluted water from plumbing fixture or vessel into a water supply pipe due to negative pressure in such pipe.

    • Backflow Connection

    • Back-Siphonage

    • Back Pressure Backflow

    • Back-Vent Pipe

    Correct Answer
    A. Back-Siphonage
    Explanation
    Back-siphonage refers to the process of contaminated water being drawn back into the water supply pipe due to negative pressure. This can occur when there is a sudden drop in water pressure, such as during a water main break or when a large amount of water is being used in a nearby area. Back-siphonage can contaminate the water supply with harmful substances, making it unsafe for consumption. To prevent back-siphonage, backflow prevention devices are installed in plumbing systems to ensure that water flows in one direction only.

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  • 22. 

    It occurs due to an increased reverse pressure above the supply pressure.

    • Back Pressure Backflow

    • Back-Vent Pipe

    • Backflow Connection

    • Back-Siphonage

    Correct Answer
    A. Back Pressure Backflow
    Explanation
    Back Pressure Backflow occurs when there is an increased reverse pressure above the supply pressure. This can happen when there is a decrease in supply pressure or an increase in downstream pressure, causing the water or fluid to flow in the opposite direction. This can lead to contamination of the water supply, as it allows non-potable water or substances to enter the clean water system.

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  • 23. 

    It is a device installed in a house drain immediately inside the foundation wall of the building.

    • Soil Trap

    • Main Trap

    • House Trap

    • Waste Trap

    Correct Answer
    A. House Trap
    Explanation
    A house trap is a device installed in a house drain immediately inside the foundation wall of the building. It is designed to prevent sewer gas from entering the building by creating a water seal. The water in the trap acts as a barrier, preventing the gases from passing through. This helps to maintain a healthy and odor-free environment inside the house. House traps are typically required by building codes and are an essential component of a plumbing system in residential buildings.

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  • 24. 

    Sanitary Sewage is also known as

    • Soil

    • Plumbing Waste

    • Domestic Sewage

    • Pipe Sewage

    Correct Answer
    A. Domestic Sewage
    Explanation
    Sanitary sewage refers to the wastewater generated from households, commercial buildings, and institutions. It includes water from toilets, sinks, showers, and other domestic sources. This wastewater contains a variety of contaminants such as human waste, soaps, detergents, and food particles. Therefore, the term "Domestic Sewage" accurately describes sanitary sewage as it represents the wastewater produced within residential and domestic settings.

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  • 25. 

    The House Drain should be sized correctly to have a flow of about ___ of the pipe diameter.

    • 45%

    • 50%

    • 55%

    • 60%

    Correct Answer
    A. 50%
    Explanation
    The House Drain should be sized correctly to have a flow of about 50% of the pipe diameter. This means that the diameter of the drain should be approximately twice the diameter of the pipe it is connected to. This allows for efficient flow of wastewater and prevents clogging or backflow issues. A drain that is too small may cause blockages and slow drainage, while a drain that is too large may not effectively carry away the wastewater. A 50% flow rate provides a good balance between capacity and efficiency.

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  • 26. 

    Fixture UNIT VALUE of ONE Bathroom consisting of 1 water closet, lavatory, bathtub and overhead shower or water closet, lavatory and shower compartment.

    • 3

    • 5

    • 6

    • 8

    Correct Answer
    A. 8
    Explanation
    The correct answer is 8 because the fixture unit value for a bathroom with a water closet, lavatory, bathtub, and overhead shower is 8. This means that this particular bathroom requires a plumbing system capable of handling 8 fixture units to ensure proper drainage and water flow.

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  • 27. 

    A type of house drain that receives the discharge of sanitary and domestic wastes only. the waste is conveyed on a septic tank or public sewer.

    • Combined Drain

    • Storm Drain

    • Industrial Drain

    • Sanitary Drain

    Correct Answer
    A. Sanitary Drain
    Explanation
    A sanitary drain is a type of house drain that is specifically designed to receive the discharge of sanitary and domestic wastes only. This means that it is meant to handle waste from bathrooms, kitchens, and other areas where domestic waste is generated. The waste is then conveyed either to a septic tank or a public sewer for proper disposal. This type of drain ensures that sanitary waste is properly separated and disposed of, preventing contamination and maintaining hygiene within the household and the surrounding environment.

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  • 28. 

    It is not preferred to discharge into the septic tank.

    • Combined Drain

    • Storm Drain

    • Industrial Drain

    • Sanitary Drain

    Correct Answer
    A. Storm Drain
    Explanation
    Discharging into the septic tank is not preferred because septic tanks are designed to handle wastewater from toilets, showers, and sinks. Storm drains, on the other hand, are specifically designed to collect and carry away rainwater and surface runoff. Discharging into a storm drain helps prevent flooding by quickly removing excess water from streets and urban areas. It also helps protect water bodies from pollution, as stormwater often carries pollutants such as oil, chemicals, and debris. Therefore, it is more appropriate to discharge into a storm drain rather than a septic tank.

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  • 29. 

    Appropriate FITTINGS for a Storm Drain.

    • Wye, 1/8 bend, Long Radius

    • Tee, 1/8 bend, Long Radius

    • Wye, 1/4 bend, Long Radius

    • Wye, 1/8 bend, Short Radius

    Correct Answer
    A. Wye, 1/8 bend, Long Radius
    Explanation
    The appropriate fittings for a storm drain are a Wye and a 1/8 bend with a long radius. A Wye fitting is used to create a branch connection in a pipe system, allowing water to flow in two different directions. The 1/8 bend with a long radius is used to change the direction of the pipe gradually, minimizing the risk of clogs and blockages. This combination of fittings ensures efficient water flow and reduces the likelihood of drainage issues in a storm drain system.

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  • 30. 

    Is a device designed to convey wastes from garage, wash rack, grease pits and repair floors into the house drain.

    • Yard Catch Basin

    • Grease Basin

    • Garage Catch Basin

    • Catch Basin

    Correct Answer
    A. Garage Catch Basin
    Explanation
    A garage catch basin is a device specifically designed to transport waste materials from areas such as garages, wash racks, grease pits, and repair floors into the house drain. It serves as a collection point for these waste materials and ensures that they are properly conveyed to the appropriate drainage system.

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  • 31. 

    It is that portion of the horizontal drainage system which stars from the outer surface of the building and terminate at the main sewer in the street or septic tank.

    • Soil Drain

    • House Sewer

    • House Drain Line

    • Waste Sewer

    Correct Answer
    A. House Sewer
    Explanation
    The correct answer is House Sewer because it refers to the portion of the horizontal drainage system that starts from the outer surface of the building and terminates at the main sewer in the street or septic tank. This is the pipe that carries wastewater and sewage from the house to the main sewer line or septic system.

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  • 32. 

    Not a preferred type of backflow valve, because of its poor performance.

    • Interference Valve

    • Unbalanced Valve

    • Non-interference Valve

    • Balance Valve

    Correct Answer
    A. Unbalanced Valve
    Explanation
    The unbalanced valve is not a preferred type of backflow valve because it has poor performance. This suggests that the unbalanced valve does not effectively prevent backflow, which is the undesired reversal of fluid flow in a piping system. Backflow can lead to contamination of water sources or damage to equipment. Therefore, it is important to use a backflow valve that has good performance and effectively prevents backflow.

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  • 33. 

    Fixture UNIT VALUE of a Bathtub

    • 1

    • 1.5

    • 2

    • 3

    Correct Answer
    A. 2
    Explanation
    The given options represent different values for the fixture UNIT VALUE of a bathtub. The correct answer is 2, which means that the fixture UNIT VALUE of the bathtub is 2.

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  • 34. 

    A device or means to prevent flow of liquid from returning to source of supply. Also called Vacuum Breaker.

    • Back Water Valve

    • Back-Siphonage

    • Backflow Preventer

    • Back-Vent Pipe

    Correct Answer
    A. Backflow Preventer
    Explanation
    A backflow preventer is a device or means that is used to prevent the flow of liquid from returning to the source of supply. It is also known as a vacuum breaker. This device is important in preventing backflow, which can occur when there is a sudden drop in pressure in the water supply system, causing the water to flow in the opposite direction. By installing a backflow preventer, it ensures that contaminated water or substances do not flow back into the clean water supply, thus protecting the quality and safety of the water.

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  • 35. 

    Fixture UNIT VALUE of a Shower Bath

    • 1

    • 1.5

    • 2

    • 3

    Correct Answer
    A. 2
    Explanation
    The correct answer is 2. This suggests that the fixture unit value of a shower bath is 2. Fixture unit value is a measurement used to determine the water flow rate and drainage requirements for plumbing fixtures. In this case, a shower bath has a fixture unit value of 2, indicating that it requires a moderate amount of water flow and drainage capacity.

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  • 36. 

    A piping arrangement in which a drain from a fixture, appliance or device discharge indirectly into a fixture, receptacle, or interceptor at a point below the flood level rim of the receptacle so installed as to prevent backflow or siphonage.

    • Air Break

    • Pressure

    • Air Stop

    • Air Gap

    Correct Answer
    A. Air Break
    Explanation
    An air break is a piping arrangement where a drain from a fixture, appliance, or device discharges indirectly into a fixture, receptacle, or interceptor below the flood level rim. This arrangement is designed to prevent backflow or siphonage. It ensures that there is a physical gap or space between the drain and the receiving fixture, allowing air to enter and break the siphoning action. This helps to maintain the integrity of the plumbing system and prevent contamination of the water supply.

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  • 37. 

    A portion of the plumbing system that receives discharges of all soil and waste stacks within the building, and conveys the same to the house sewer.

    • House Drain

    • Soil Drain

    • Waste Drain

    • Main Drain

    Correct Answer
    A. House Drain
    Explanation
    The correct answer is House Drain. The house drain is a part of the plumbing system that collects and carries the discharges of all soil and waste stacks within the building to the house sewer. It is responsible for removing wastewater from the building and transporting it to the sewer system.

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  • 38. 

    Sanitation Code of the Philippines

    • PD 1378

    • PD 856

    • PD 865

    • PD 1067

    Correct Answer
    A. PD 856
    Explanation
    PD 856 is the correct answer because it is the Sanitation Code of the Philippines. PD 1378, PD 865, and PD 1067 are not related to sanitation codes in the Philippines.

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  • 39. 

    Fixture UNIT VALUE of a Laundry Tub

    • 1

    • 1.5

    • 2

    • 3

    Correct Answer
    A. 2
    Explanation
    The fixture unit value of a laundry tub is 2. This means that the laundry tub is assigned a value of 2 when calculating the total fixture units in a plumbing system. Fixture unit values are used to determine the water demand and pipe sizing requirements for a building.

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  • 40. 

    A sink designed primarily to receive wastes from bedpans and having a flush rim, an integral trap with a visible trap seal, and the same flushing and cleansing characteristics as a water closet.

    • Blow-off Sink

    • Bidet Sink

    • Clinic Sink

    • Sanitary Sink

    Correct Answer
    A. Clinic Sink
    Explanation
    A clinic sink is designed specifically to receive wastes from bedpans and has features such as a flush rim, an integral trap with a visible trap seal, and the same flushing and cleansing characteristics as a water closet. This type of sink is commonly found in medical clinics or hospitals where bedpans are used for waste disposal. It provides a sanitary and efficient solution for disposing of bedpan waste.

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  • 41. 

    An act to regulate the practice of Sanitary Engineering in the Philippines

    • RA 1378

    • RA 1364

    • RA 386

    • PD 1067

    Correct Answer
    A. RA 1364
    Explanation
    RA 1364 is the correct answer because it is the specific law that regulates the practice of Sanitary Engineering in the Philippines. The other options, RA 1378, RA 386, and PD 1067, do not pertain to the regulation of Sanitary Engineering. Therefore, RA 1364 is the most appropriate choice.

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  • 42. 

    Civil Code of the Philippines

    • RA 1378

    • RA 1364

    • RA 386

    • PD 1067

    Correct Answer
    A. RA 386
    Explanation
    The correct answer is RA 386 because it is the Civil Code of the Philippines. RA 386 is a law that governs civil rights and obligations in the country. It covers various aspects of civil law such as property, family, succession, contracts, and obligations. This law provides a comprehensive framework for legal matters in the Philippines and is considered a fundamental piece of legislation in the country's legal system.

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  • 43. 

    Provincial Water Utilities Act

    • RA 1378

    • PD 198

    • PD 1152

    • PD 1067

    Correct Answer
    A. PD 198
    Explanation
    PD 198 stands for Presidential Decree No. 198. It is likely that this decree is related to the Provincial Water Utilities Act, as mentioned in the question. However, without further context or information, it is difficult to provide a more specific explanation for why PD 198 is the correct answer.

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  • 44. 

    Fixture UNIT VALUE of a Public or Hotel Sink

    • 1

    • 1.5

    • 2

    • 3

    Correct Answer
    A. 2
    Explanation
    The given options represent different unit values for a public or hotel sink fixture. The correct answer is 2, which implies that the sink fixture has a unit value of 2. This could indicate the quality or size of the sink fixture, with 2 being a moderate or standard value.

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  • 45. 

    Reduces the action scouring action in the pipe, thus the solid waste are carried along the bottom of the pipe.

    • House Drain

    • Oversize House Drain

    • Floor Drain

    • Catch Basin

    Correct Answer
    A. Oversize House Drain
    Explanation
    An oversize house drain reduces the action scouring action in the pipe, allowing solid waste to be carried along the bottom of the pipe. This means that larger particles or debris are less likely to get stuck or cause blockages in the drain. By having a larger diameter, the oversize house drain can accommodate more waste and prevent clogs from occurring.

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  • 46. 

    Fixture UNIT VALUE of a Water Closet

    • 3

    • 5

    • 6

    • 8

    Correct Answer
    A. 6
    Explanation
    The correct answer is 6. This suggests that the fixture unit value of a water closet is 6. Fixture unit values are used to determine the water supply requirements for plumbing fixtures. The higher the fixture unit value, the greater the demand for water. In this case, a water closet is assigned a fixture unit value of 6, indicating that it requires a significant amount of water for proper functioning.

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  • 47. 

    The most preferred type of backflow valve because it has the characteristics of non-interferences in the movement of air inside the drainage system.

    • Interference Valve

    • Unbalanced Valve

    • Non-interference Valve

    • Balance Valve

    Correct Answer
    A. Balance Valve
    Explanation
    A balance valve is the most preferred type of backflow valve because it has the characteristics of non-interferences in the movement of air inside the drainage system. This means that it allows for smooth and uninterrupted flow of air, preventing any blockages or restrictions in the system. This ensures efficient and effective drainage, making it the ideal choice for backflow prevention.

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  • 48. 

    Water Code of the Philippines

    • RA 1378

    • RA 1364

    • RA 386

    • PD 1067

    Correct Answer
    A. PD 1067
    Explanation
    PD 1067 is the correct answer because it refers to the Philippine law known as the Water Code of the Philippines. This law was enacted to govern the ownership, appropriation, utilization, development, conservation, and protection of water resources in the country. It establishes the rights and responsibilities of individuals and entities in relation to water resources, and also provides for the regulation and management of water-related activities. Therefore, PD 1067 is the most relevant law among the options provided in relation to the Water Code of the Philippines.

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  • 49. 

    A condition or any arrangement whereby reverse flow can occur.

    • Backflow Connection

    • Back-Siphonage

    • Back Pressure Backflow

    • Back-Vent Pipe

    Correct Answer
    A. Backflow Connection
    Explanation
    A backflow connection refers to a condition or arrangement in a plumbing system that allows for the reverse flow of water or other fluids. This can happen when there is a drop in pressure in the system, causing the water to flow in the opposite direction. This can be a potential issue as it can lead to contamination of the water supply, as well as damage to the plumbing system. Therefore, it is important to have proper backflow prevention measures in place, such as backflow preventers, to prevent the occurrence of backflow.

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  • Sep 11, 2015
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