a)Water is flowing from a higher to a lower reservoir through a 24-inch cast-iro

Question

a)Water is flowing from a higher to a lower reservoir through a 24-inch cast-iron pipe with a velocity of 4.5 f/s. The flow through the pipe (Q in ft3/s) is closest to

Select one:

a. Q = 12 ft3/s

b. Q = 16 ft3/s

c. Q = 18 ft3/s

d. Q = 20 ft3/s

e. Q = 14 ft3/s

b)Water is flowing from a higher to a lower reservoir through a 24-inch cast-iron pipe with a velocity of 4.5 f/s. The Darcy friction factor (f) is closest to

Select one:

a. f = 0.025

b. f = 0.030

c. f = 0.015

d. f = 0.020

e. f = 0.010

c)Water is flowing from a higher to a lower reservoir through a 24-inch cast-iron pipe with a velocity of 4.5 f/s. The frictional head loss per unit length of pipe (S ) is closest to:

Select one:

a. S = 1x10-4

b. S = 3x10-3

c. S = 3x10-4

d. S = 1x10-3

e. S = 1x10-2

Explanation / Answer

a) 14.13 the answer is option e

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