NV C-1A Boilers Practice Questions - Nevada C-1A Boilers Contractor Examination Exam

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A hot-water heating boiler has a maximum output of 250,000 Btu/h. What is the minimum relieving capacity of its ASME pressure-relief valve?

250,000 Btu/h, at least equal to the boiler maximum output. 150,000 Btu/h, because 60 percent of output is enough. 30 psi, which automatically equals 30,000 Btu/h. The same gpm as the circulator nameplate.

Correct Answer:

250,000 Btu/h, at least equal to the boiler maximum output.

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