Gas Fitter Practice · Question
What is the purpose of a drip leg (sediment trap) in a gas piping system before an appliance?
A drip leg prevents solid debris and moisture from entering and potentially damaging sensitive appliance controls, ensuring reliable operation.
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Question: What is the purpose of a drip leg (sediment trap) in a gas piping system before an appliance?
Answer options:
- To allow for future expansion of the gas piping ✅ To collect dirt, rust, and moisture from the gas stream
- To regulate the gas pressure to the appliance
- To automatically shut off the gas in an emergency
Correct answer: To collect dirt, rust, and moisture from the gas stream
Explanation: A drip leg prevents solid debris and moisture from entering and potentially damaging sensitive appliance controls, ensuring reliable operation.
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Question explanations
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