Gas Fitter Practice · Question
What is the minimum air-to-gas ratio required for complete combustion of natural gas?
Complete combustion of natural gas typically requires an air-to-gas ratio of about 10:1 by volume.
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Question: What is the minimum air-to-gas ratio required for complete combustion of natural gas?
Answer options:
- Approximately 5:1 ✅ Approximately 10:1
- Approximately 15:1
- Approximately 20:1
Correct answer: Approximately 10:1
Explanation: Complete combustion of natural gas typically requires an air-to-gas ratio of about 10:1 by volume.
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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?
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