Gas Fitter Practice · Question
What safety device is designed to automatically shut off the gas supply if the appliance's internal temperature exceeds a safe limit?
A high-limit switch monitors the appliance's internal temperature and will interrupt the gas supply if it rises above a predetermined safe threshold, preventing
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Question: What safety device is designed to automatically shut off the gas supply if the appliance's internal temperature exceeds a safe limit?
Answer options: ✅ High-limit switch
- Pressure relief valve
- Flame sensor
- Rollout switch
Correct answer: High-limit switch
Explanation: A high-limit switch monitors the appliance's internal temperature and will interrupt the gas supply if it rises above a predetermined safe threshold, preventing overheating.
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- What is the maximum allowed pressure for a propane system supplying a residential appliance?
- When installing a gas outdoor appliance, what is the minimum required clearance from an opening into a buildin
- Which code specifies the requirements for the installation of propane-burning appliances and equipment?
- What is the maximum allowed pressure drop for gas piping within a building, from the point of delivery to the
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