Gas Fitter Practice · Question
Which type of gas meter measures gas volume using rotating impellers?
Rotary meters use two figure-eight shaped impellers that rotate to displace and measure gas volume, typically for higher flow rates.
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Question: Which type of gas meter measures gas volume using rotating impellers?
Answer options:
- Diaphragm meter ✅ Rotary meter
- Orifice meter
- Ultrasonic meter
Correct answer: Rotary meter
Explanation: Rotary meters use two figure-eight shaped impellers that rotate to displace and measure gas volume, typically for higher flow rates.
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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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