Gas Fitter Practice · Question
What is the primary function of a drip leg (sediment trap) in a gas piping system?
Drip legs are installed to collect sediment or moisture that may be present in the gas stream, protecting the appliance from damage or malfunction.
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Question: What is the primary function of a drip leg (sediment trap) in a gas piping system?
Answer options: ✅ To collect dirt and moisture to prevent them from entering the appliance.
- To regulate gas pressure before it reaches the appliance.
- To allow for expansion and contraction of the gas pipe.
- To provide a point for pressure testing the gas line.
Correct answer: To collect dirt and moisture to prevent them from entering the appliance.
Explanation: Drip legs are installed to collect sediment or moisture that may be present in the gas stream, protecting the appliance from damage or malfunction.
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