NV C-37 Solar Practice Questions - Nevada C-37 Solar Contractor Examination Exam

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FSEC and copper-tube practice keep glazed collector-loop velocity in about which range to limit erosion, noise, and pressure drop?

0.2 to 0.4 feet per second Velocity is not limited if the pump is a wet-rotor circulator 15 to 20 feet per second 2 to 5 feet per second

Correct Answer:

2 to 5 feet per second

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