A large reservoir supplies water for a community. A portion of the water supply system is shown. Water i pumped from the reservoir to a large storage tank before being sent on to the water treatment facility. The system is designed to provide 1310 L/s of water at 20°C. From B to C, the system consists of a square-edged entrance (K = 0.5), 760 m of pipe (e = 0.26mm), three gate valves (Kvalve = 0.11), four 45 elbows (Kelbow 45 = 0.29), and two 90 elbows(Kelbow 90 = 0.64). Gage pressure at C is 197 kPa. The system between F and G contains 760 m of pipe, two gate valves, and four 90° elbows. The pipe is made of cast iron and is uniform with 508 mm diameter. Calculate the following; a.) average velocity of water in the pipe b.) gage pressure at section F c.) power input to the pump (its efficiency is 80 percent)

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A large reservoir supplies water for a community. A portion of the water supply system is shown. Water is
pumped from the reservoir to a large storage tank before being sent on to the water treatment facility. The
system is designed to provide 1310 L/s of water at 20°C.
From B to C, the system consists of a square - edged entrance (K₂ = 0.5), 760 m of pipe (e = 0.26mm),
three gate valves (Kvalve 0.11), four 45 elbows (Kelbow 45
0.29), and two 90 elbows(Kelbow 90
-
=
0.64).
Gage pressure at C is 197 kPa. The system between F and G contains 760 m of pipe, two gate valves, and
four 90⁰ elbows. The pipe is made of cast iron and is uniform with 508 mm diameter. Calculate the following;
a.) average velocity of water in the pipe
b.) gage pressure at section F
c.) power input to the pump (its efficiency is 80 percent)
-91 m
174 m
5152 m
Pump
104 m
21
Transcribed Image Text:A large reservoir supplies water for a community. A portion of the water supply system is shown. Water is pumped from the reservoir to a large storage tank before being sent on to the water treatment facility. The system is designed to provide 1310 L/s of water at 20°C. From B to C, the system consists of a square - edged entrance (K₂ = 0.5), 760 m of pipe (e = 0.26mm), three gate valves (Kvalve 0.11), four 45 elbows (Kelbow 45 0.29), and two 90 elbows(Kelbow 90 - = 0.64). Gage pressure at C is 197 kPa. The system between F and G contains 760 m of pipe, two gate valves, and four 90⁰ elbows. The pipe is made of cast iron and is uniform with 508 mm diameter. Calculate the following; a.) average velocity of water in the pipe b.) gage pressure at section F c.) power input to the pump (its efficiency is 80 percent) -91 m 174 m 5152 m Pump 104 m 21
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