Gas Fitter Practice · Question
When performing a leak test on a low-pressure gas piping system, what is the typical test medium used?
Air is commonly used for leak testing low-pressure gas systems because it is non-flammable and readily available, minimizing safety risks during the test.
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Question: When performing a leak test on a low-pressure gas piping system, what is the typical test medium used?
Answer options:
- Nitrogen ✅ Air
- Natural gas
- Propane
Correct answer: Air
Explanation: Air is commonly used for leak testing low-pressure gas systems because it is non-flammable and readily available, minimizing safety risks during the test.
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- What is the maximum allowed pressure for a propane system supplying a residential appliance?
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- Which code specifies the requirements for the installation of propane-burning appliances and equipment?
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