Gas Fitter Practice · Question
Which type of thermocouple is commonly used in gas appliances to prove pilot flame supervision?
Thermopiles generate a millivolt signal to power the main gas valve, providing continuous pilot flame supervision in many appliances.
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Question: Which type of thermocouple is commonly used in gas appliances to prove pilot flame supervision?
Answer options:
- Type K ✅ Thermopile
- Bi-metal strip
- Resistance Temperature Detector (RTD)
Correct answer: Thermopile
Explanation: Thermopiles generate a millivolt signal to power the main gas valve, providing continuous pilot flame supervision in many appliances.
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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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