Gas Fitter Practice · Question
What is the maximum permissible pressure drop allowed across a manifold in a low-pressure multi-appliance system?
To ensure proper appliance operation, the maximum allowable pressure drop across a manifold in a low-pressure system is typically limited to 0.5 inches water co
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Question: What is the maximum permissible pressure drop allowed across a manifold in a low-pressure multi-appliance system?
Answer options: ✅ 0.5 inches water column (125 Pa)
- 1 inch water column (250 Pa)
- 2 inches water column (500 Pa)
- 0.2 inches water column (50 Pa)
Correct answer: 0.5 inches water column (125 Pa)
Explanation: To ensure proper appliance operation, the maximum allowable pressure drop across a manifold in a low-pressure system is typically limited to 0.5 inches water column (125 Pa).
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