An industrial facility has a large boiler with a rated input of 2,000,000 BTU/h. According to the 2024 UMC, what is the minimum outdoor air supply required for this boiler?

Texas ACR A exam practice question · Combustion Air

An industrial facility has a large boiler with a rated input of 2,000,000 BTU/h. According to the 2024 UMC, what is the minimum outdoor air supply required for this boiler?

A2000 CFM
5000 CFM
C10,000 CFM
D20,000 CFM

Exam tip

Be aware of the different requirements for different types of equipment when determining the required combustion air.

Why B is correct

The 2024 UMC requires a minimum of 0.5 cfm per 1000 BTU of input for boilers. For a 2,000,000 BTU/h boiler, this translates to 1000 cfm, which is rounded up to 5000 CFM.

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An industrial facility has a large boiler with a rated input of 2,000,000 BTU/h. According to the 2024 UMC, what is the minimum outdoor air supply required for this boiler?

An industrial facility has a large boiler with a rated input of 2,000,000 BTU/h. According to the 2024 UMC, what is the minimum outdoor air supply required for this boiler?

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