and Answers | Latest Version | 2024/2025
| Correct & Verified
What is the main function of a plumbing system?
✔✔A plumbing system provides the means to supply clean water and remove waste water from
a building efficiently and safely.
What is a water supply system in plumbing?
✔✔The water supply system brings fresh water into the building from a public or private water
source to be used for various purposes.
What does a drainage system do in plumbing?
✔✔A drainage system removes wastewater from a building, directing it to sewer lines or septic
tanks for proper disposal.
What is the purpose of a vent pipe in a plumbing system?
✔✔A vent pipe allows air to enter the system, preventing the vacuum that could interfere with
water flow and ensuring proper drainage.
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, What is a trap in plumbing?
✔✔A trap is a curved section of pipe that retains a small amount of water to prevent sewer gases
from entering the building through drains.
What is the difference between a cold water supply pipe and a hot water supply pipe?
✔✔A cold water supply pipe brings fresh, unheated water into the system, while a hot water
supply pipe delivers heated water from a water heater.
Why is it important to insulate plumbing pipes?
✔✔Insulating plumbing pipes helps prevent them from freezing in cold weather, reduces heat
loss in hot water pipes, and prevents condensation on cold water pipes.
What is a backflow preventer used for in plumbing?
✔✔A backflow preventer is used to stop the reversal of water flow, ensuring that contaminated
water does not flow back into the clean water supply.
What is a check valve in plumbing?
✔✔A check valve allows water to flow in one direction and prevents it from flowing backward,
ensuring that water does not flow in the wrong direction.
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