Gas Fitter Practice · Question
What is the typical specific gravity of natural gas relative to air?
Natural gas is lighter than air, meaning its specific gravity is less than 1. This property influences how it behaves in leaks and ventilation.
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Question: What is the typical specific gravity of natural gas relative to air?
Answer options: ✅ 0.55 - 0.70
- 1.00 - 1.20
- 1.50 - 2.00
- 0.20 - 0.40
Correct answer: 0.55 - 0.70
Explanation: Natural gas is lighter than air, meaning its specific gravity is less than 1. This property influences how it behaves in leaks and ventilation.
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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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