Gas Fitter Practice · Question
Which component is responsible for proving the presence of a flame in a gas appliance's burner circuit?
The flame sensor (or flame rod) detects the presence of a flame and sends a signal to the control board, ensuring safe operation by preventing unignited gas flo
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Question: Which component is responsible for proving the presence of a flame in a gas appliance's burner circuit?
Answer options:
- Pilot light
- Ignition transformer ✅ Flame sensor
- Gas valve
Correct answer: Flame sensor
Explanation: The flame sensor (or flame rod) detects the presence of a flame and sends a signal to the control board, ensuring safe operation by preventing unignited gas flow.
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Question explanations
- 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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