Gas Fitter Practice · Question
Excess flow valve (EFV) purpose:
Safety on service lines.
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Question: Excess flow valve (EFV) purpose:
Answer options: ✅ Shut off line if flow exceeds preset
- Decorative
- Add flow
- Heat gas
Correct answer: Shut off line if flow exceeds preset
Explanation: Safety on service lines.
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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?
- What is the maximum allowed pressure drop for gas piping within a building, from the point of delivery to the
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