Backflow Prevention Devices and Plumbing Installations Quiz

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What does the NPCP require for drainage systems to prevent the buildup of harmful gases?

Inspection by a certified plumber

Proper venting (correct)

Regular cleaning of the drainage pipes

Increasing the drain pipe size

In terms of vent pipe sizing, what does the NPCP mandate?

Vent pipes must be smaller than the drain pipes

Vent pipes must be at least the same size as the drain pipes they serve (correct)

Vent pipes must be larger than the drain pipes

No specific size requirements for vent pipes

What is the purpose of backflow prevention devices as required by the NPCP?

To prevent contamination of the public water supply (correct)

To allow water to flow in both directions freely

To regulate the temperature of the water supply

To increase water pressure in plumbing fixtures

What aspect of plumbing fixtures does the NPCP set minimum standards for?

Distance from walls and other obstructions Signup and view all the answers

Why does the NPCP require that plumbing systems be maintained and repaired?

To ensure public health and safety Signup and view all the answers

Which entity enforces the regulations set by the NPCP on proper disposal of wastewater?

Department of Public Works and Highways (DPWH) Plumbing Section Signup and view all the answers

What type of devices must be included in all plumbing installations to prevent contamination of potable water sources?

Backflow prevention devices Signup and view all the answers

Which department enforces the National Plumbing Code of the Philippines through its Plumbing Section?

Department of Public Works and Highways (DPWH) Signup and view all the answers

Which organization provides training and certification programs for plumbers to ensure compliance with the National Plumbing Code of the Philippines?

Department of Public Works and Highways (DPWH) Signup and view all the answers

What is one of the topics covered in the National Plumbing Code of the Philippines related to public health and safety?

Requirements for backflow prevention Signup and view all the answers

What must be inspected and tested by authorized personnel in all plumbing installations to ensure compliance with the law and local regulations?

Plumbing installations Signup and view all the answers

Which entity is responsible for approving plumbing plans, inspecting plumbing installations, and ensuring compliance with the National Plumbing Code of the Philippines?

Department of Public Works and Highways (DPWH) Signup and view all the answers

What is the purpose of connecting fixtures indirectly with the building drainage system?

To prevent contamination of potable water Signup and view all the answers

Why must no water closet be located in a room or compartment that is not properly lighted and ventilated?

To maintain hygiene and sanitation standards Signup and view all the answers

What is the purpose of suitable provision for disposing of building sewage in areas without a sewer nearby?

To prevent environmental pollution Signup and view all the answers

Why should plumbing systems be maintained by Registered Master Plumbers?

To ensure compliance with material standards Signup and view all the answers

What is the purpose of preventing sewage backflow in a plumbing system?

To protect against contamination of the building Signup and view all the answers

Why should sewage or waste from a plumbing system not be discharged into waterways without treatment?

To prevent harm to surface or sub-surface waters Signup and view all the answers

Backflow Prevention Devices and Plumbing Installations Quiz

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Questions and Answers

What does the NPCP require for drainage systems to prevent the buildup of harmful gases?

In terms of vent pipe sizing, what does the NPCP mandate?

What is the purpose of backflow prevention devices as required by the NPCP?

What aspect of plumbing fixtures does the NPCP set minimum standards for?

Why does the NPCP require that plumbing systems be maintained and repaired?

Which entity enforces the regulations set by the NPCP on proper disposal of wastewater?

What type of devices must be included in all plumbing installations to prevent contamination of potable water sources?

Which department enforces the National Plumbing Code of the Philippines through its Plumbing Section?

Which organization provides training and certification programs for plumbers to ensure compliance with the National Plumbing Code of the Philippines?

What is one of the topics covered in the National Plumbing Code of the Philippines related to public health and safety?

What must be inspected and tested by authorized personnel in all plumbing installations to ensure compliance with the law and local regulations?

Which entity is responsible for approving plumbing plans, inspecting plumbing installations, and ensuring compliance with the National Plumbing Code of the Philippines?

What is the purpose of connecting fixtures indirectly with the building drainage system?

Why must no water closet be located in a room or compartment that is not properly lighted and ventilated?

What is the purpose of suitable provision for disposing of building sewage in areas without a sewer nearby?

Why should plumbing systems be maintained by Registered Master Plumbers?

What is the purpose of preventing sewage backflow in a plumbing system?

Why should sewage or waste from a plumbing system not be discharged into waterways without treatment?

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