Question 25 / 40:  Consider fully turbulent flow of water in a 90 degree bend in a 4-inch ID pipe. The radius of curvature of the bend is 12 cm. The flow rate is 50 ft3/min. Which of the following most closely matches the pressure drop though the bend?
A  7.5 atm
B  75 Pa
C  750 psi
D  750 Pa
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Explanation:

For this situation, refer to pages 151-152 of the resource for subunit 6.1. We find that Δ p = K ρ v2/2. K = 0.175 from the table of the resource on page 152.

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Fluid Mechanics ME201

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Attribution:  Stephanie Redfern and Tuan Dinh. Fluid Mechanics. The Saylor Academy 2014, http://www.saylor.org/courses/me201/
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