Gas Fitter Practice · Question
What is the maximum allowed operating pressure for a low-pressure natural gas distribution system within a residential building, as per CSA B149.1?
CSA B149.1 specifies the maximum operating pressure for low-pressure natural gas systems in residential settings to ensure safety. Exceeding this pressure requi
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Question: What is the maximum allowed operating pressure for a low-pressure natural gas distribution system within a residential building, as per CSA B149.1?
Answer options: ✅ 1/2 psi (3.5 kPa)
- 2 psi (13.8 kPa)
- 5 psi (34.5 kPa)
- 10 psi (69 kPa)
Correct answer: 1/2 psi (3.5 kPa)
Explanation: CSA B149.1 specifies the maximum operating pressure for low-pressure natural gas systems in residential settings to ensure safety. Exceeding this pressure requires specific high-pressure regulations.
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