Gas Fitter Practice · Question
What type of exhaust fan is often required in a small room containing a Category I appliance to ensure adequate combustion air?
A make-up air fan is used to bring in fresh outdoor air to replace air consumed by combustion and exhausted by other appliances, preventing negative pressure an
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Question: What type of exhaust fan is often required in a small room containing a Category I appliance to ensure adequate combustion air?
Answer options:
- Ceiling fan
- Attic fan ✅ Make-up air fan
- Furnace blower
Correct answer: Make-up air fan
Explanation: A make-up air fan is used to bring in fresh outdoor air to replace air consumed by combustion and exhausted by other appliances, preventing negative pressure and ensuring proper combustion air.
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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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