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

A room containing fuel-burning appliances is treated as a confined space when:

It has any door at all Its available volume is too small for the total appliance input under the UMC combustion-air method It has a ceiling higher than 8 feet It contains only electric equipment

Correct Answer:

Its available volume is too small for the total appliance input under the UMC combustion-air method

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