Gas Fitter Practice · Question
What is the maximum allowed pressure drop for gas piping within a building, from the point of delivery to the appliance connection, as per CSA B149.1?
CSA B149.1 limits the total pressure drop to ensure adequate pressure reaches all appliances for proper operation. A 0.1 kPa drop is typical for low-pressure sy
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Question: What is the maximum allowed pressure drop for gas piping within a building, from the point of delivery to the appliance connection, as per CSA B149.1?
Answer options: ✅ 0.1 kPa (0.0145 psi)
- 0.25 kPa (0.036 psi)
- 0.5 kPa (0.0725 psi)
- 1.0 kPa (0.145 psi)
Correct answer: 0.1 kPa (0.0145 psi)
Explanation: CSA B149.1 limits the total pressure drop to ensure adequate pressure reaches all appliances for proper operation. A 0.1 kPa drop is typical for low-pressure systems.
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- What is the maximum allowed pressure for a propane system supplying a residential appliance?
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