Practice test

Plumbing Practice Exam 14

Advanced plumbing practice exam with 25 questions on pressure budgets, sewer DFU sizing, relief and yoke vents, gas flue slope, and indirect waste. Full explanations.

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These questions are for study practice only and are not official exam questions.

Question 1

1

A system has 65 psi static, needs 20 psi at a flushometer (its minimum flow pressure), 25 feet elevation, and 6 psi of meter/fitting loss. The friction budget for the pipe is closest to what?

Question 2

2

A water main serves 220 WSFU of mostly flush-tank fixtures. Hunter's curve gives a peak demand near 50 gpm. If you mistakenly used the flushometer curve, the estimated demand would be what, and the pipe would be sized how?

Question 3

3

An RPZ assembly is required where a building connects to a chemical-laden process or boiler with chemical feed. This is an example of protecting against what?

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