4. The water discharge through the 200 mm pipe shown is throttled to a velocity of 2.4 m/s by means of the value at B. The pressure head at the summit A is -3 m of water. All pipes are new steel and the suction projects into the reservoir. Compute the pressure heads at 1 and 2 the pumping head, and the horse power output of the pump. f = 0.022, hf 0.0826fLQ²/D5
4. The water discharge through the 200 mm pipe shown is throttled to a velocity of 2.4 m/s by means of the value at B. The pressure head at the summit A is -3 m of water. All pipes are new steel and the suction projects into the reservoir. Compute the pressure heads at 1 and 2 the pumping head, and the horse power output of the pump. f = 0.022, hf 0.0826fLQ²/D5
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:4. The water discharge through the 200 mm pipe shown is throttled to a velocity of 2.4 m/s by means of the value at B. The
pressure head at the summit A is -3 m of water. All pipes are new steel and the suction projects into the reservoir. Compute the
pressure heads at 1 and 2 the pumping head, and the horse power output of the pump. f = 0.022, hƒ= 0.0826fLQ²/D5
4
Vt = 9.603 m/s
Qt = 0.001178 m³/s
Q = 0.000743 m³/s
v = 9.052 m/s (using projectile motion)
Cv = 0.989
Cd = 0.631
Cc = 0.638
EL 0 m
L = 30 m
300 mm dia
EL 30 m
L = 150 m
200 mm dia/
2
A
EL 3 m
L = 30 m
200 mm dia
B
EL 24 m
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