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

What is the water flow formula used to size a hydronic heating circulator?

GPM = Btu/h ÷ (500 × ΔT in °F) GPM = Btu/h × 500 × ΔT in °F GPM = boiler horsepower × 2.31 GPM = relief-valve set pressure × 30

Correct Answer:

GPM = Btu/h ÷ (500 × ΔT in °F)

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