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Water Supply - Interview Questions

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Here is a list of 25 interview questions on plumbing:

1) What is a water hammer arrestor?

Ans) It is used to absorb the shocks in the water supply piping & hence avoid damage to the pipes, mixers, shut-off valve, etc. It is installed before the last point on the supply line in the bathroom.

2) What is the pressure requirement at mixers?

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