Introduction to Plumbing Systems Quiz

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What is the primary goal of the National Plumbing Code of the Philippines?

To control water usage in all buildings
To mandate the connection of plumbing fixtures to unsafe water supplies
To ensure the qualified observance of plumbing and environmental laws (correct)
To regulate the details of plumbing installations

Why should plumbing fixtures be supplied with water in sufficient volume and pressure?

To reduce cleaning requirements
To promote water wastage
To prevent backflow or back-siphonage
To ensure satisfactory functioning without undue noise (correct)

How should plumbing be designed in terms of water quantity according to the National Plumbing Code?

To ensure backflow occurs
Without consideration for water usage
Consistent with proper performance and cleaning needs (correct)
To use the maximum available water

What is a key requirement for devices used for heating and storing water?

Installed to prevent dangers from overheating explosions (B) Signup and view all the answers

According to the National Plumbing Code, what is the connection requirement for buildings abutting a public sewer?

Must connect plumbing fixtures to the sewer system (B) Signup and view all the answers

Why is it important for premises intended for human use to have pure and wholesome water supply?

To support public health by providing safe water supply (A) Signup and view all the answers

What is the purpose of an air gap in a water distribution system?

To physically separate potable water from potential contaminants (B) Signup and view all the answers

What does a backflow preventer do in a plumbing system?

Prevents liquid from flowing back to the water source (B) Signup and view all the answers

What does a ball cock do in a plumbing system?

Opens and closes the valve based on the liquid level (C) Signup and view all the answers

What does an alley mean in plumbing terminology?

A public space less than 3 meters wide dedicated for public use (D) Signup and view all the answers

What is the main function of a hose bibb in a plumbing system?

To control the flow of water from a faucet or tap (C) Signup and view all the answers

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

To prevent contamination of surface or sub-surface waters (A) Signup and view all the answers

What does a plumbing system include according to the Revised Plumbing Code of 1999?

All potable water supply pipes and all sanitary drainage systems (B) Signup and view all the answers

What is the main function of the water supply and distribution system in a plumbing setup?

To carry water from the street main to the building and distribute it within the building (A) Signup and view all the answers

Which of the following is an example of a plumbing fixture as defined in the text?

Shower head (D) Signup and view all the answers

What component connects a plumbing fixture to a drainpipe?

Trap (A) Signup and view all the answers

In a plumbing system, what is the purpose of a vent pipe?

To prevent siphoning of water from fixture traps (D) Signup and view all the answers

What is the function of leaders and downspouts in a plumbing system?

To carry rainwater from the roof to the ground (B) Signup and view all the answers