IAPMO UMC MI Practice Questions - IAPMO UMC Residential And Commercial Mechanical Inspector Exam

For UMC duct-system inspections, a plenum is best described as:

A space used as part of an air-distribution system, often for supply or return air A refrigerant relief valve The burner compartment of a furnace A gas vent connector

Correct Answer:

A space used as part of an air-distribution system, often for supply or return air

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