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

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A closed-loop heating circuit has 200 feet of equivalent pipe length designed at 4 feet of head per 100 feet, plus 5 feet through the boiler, 3 feet through radiation, and 2 feet through valves. What total pump head should be used?

8 feet, counting pipe friction only 14 feet, adding an assumed 6-foot static lift 18 feet, the sum of pipe, boiler, radiation, and valve drops 46 feet, adding the 28-foot height of the building

Correct Answer:

18 feet, the sum of pipe, boiler, radiation, and valve drops

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