Question: A 2 0 in diameter galvanized steel ( smooth ) straight duct section corveys air at 3 0 0 0 fl 3 min . It

A 20 in diameter galvanized steel (smooth) straight duct section corveys air at 3000 fl 3 min . It is 45 ft long.
a. Determine the pressure loss, in inches of wic.
b. Determine the average velocity of air flowing through the duct.
c. Identify a cost-effective rectangular duct section with an equivalent pressure loss that has a side depth of 12 in .
A 2 0 in diameter galvanized steel ( smooth )

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