Wrong move
Direct answer
The risky shortcut is plugging or reducing the discharge because it drips. The TPR discharge pipe directs scalding water or steam from pressure relief to a safer termination point if the valve opens.
How to use this answer
Read the answer once, then prove it by choosing an answer in a practice question before looking at the explanation. If the miss repeats, tag the domain as Water heaters and drill a smaller set before returning to mixed practice.
Prep path
Plumbing License Study Guide
Independent journeyman and master plumber license study guide for state-specific code review, drainage, venting, traps, water supply, fixture units, and trade math.
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Public Plumbing License Practice Test sample questions with explanations.
PracticeOpen Plumbing License Practice Test
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