Gas Fitter Practice · Question
What is the primary difference between natural gas and propane with regards to their density compared to air?
Natural gas (methane) is lighter than air and will rise, while propane is heavier than air and will sink, affecting ventilation and safety considerations.
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Question: What is the primary difference between natural gas and propane with regards to their density compared to air?
Answer options:
- Natural gas is denser than air, propane is lighter than air.
- Both are lighter than air. ✅ Natural gas is lighter than air, propane is denser than air.
- Both are denser than air.
Correct answer: Natural gas is lighter than air, propane is denser than air.
Explanation: Natural gas (methane) is lighter than air and will rise, while propane is heavier than air and will sink, affecting ventilation and safety considerations.
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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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