Gas Fitter Practice · Question
Gas piping material approved:
Per B149 and AHJ.
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Question: Gas piping material approved:
Answer options: ✅ Black iron, copper (where permitted), CSST
- PVC
- Garden hose
- Aluminum
Correct answer: Black iron, copper (where permitted), CSST
Explanation: Per B149 and AHJ.
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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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