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

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Using 2.45 × ID² × velocity (gpm), a 3/4 inch Type L tube (ID 0.785 in.) at 4 fps carries about 6.0 gpm. A glazed array needs 2.4 gpm. What is the approximate velocity in that 3/4 inch tube?

0.4 fps 10 fps 4.0 fps 1.6 fps

Correct Answer:

1.6 fps

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