Gas Fitter Practice · Question
When performing a pressure test on a gas piping system, what is the maximum allowable pressure drop over a 15-minute period for a new system?
A new gas piping system must hold pressure without any drop during the test period, indicating no leaks.
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Question: When performing a pressure test on a gas piping system, what is the maximum allowable pressure drop over a 15-minute period for a new system?
Answer options: ✅ No pressure drop allowed
- 1 inch w.c.
- 0.5 PSIG
- 2 PSIG
Correct answer: No pressure drop allowed
Explanation: A new gas piping system must hold pressure without any drop during the test period, indicating no leaks.
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- When installing a gas outdoor appliance, what is the minimum required clearance from an opening into a buildin
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