Since there is a need to supply more water from reservoir A to reservoir B, it is necessary to lay an additional pipe parallel to it. The existing pipe is 0.6m in diameter with a discharge of 0.5m³/sec between the two reservoirs and 6000m long. Assume f = 0.02 for the old pipe and f = 0.25 for the additional pipe. Determine the following: a. If the additional pipe will have a discharge of 0.65m³/sec of the same length and the head difference between the two reservoirs is constant, find the pipe diameter. h= 25m Existing Pipe ANSWER: Q=0.50m3/sec D = 0.697 m B Additional Pipe b. If the additional pipe of 0.6m in diameter is laid out from the original pipe at its midpoint towards reservoir B, find its capacity. Assume f = 0.02. Also solve for the change in the flow or discharge from A to B. ANSWER: Existing Pipe Q1 h=25m QA = 0.7232m/s, QB = 0.3923m/s, Q2 AQ = QA – Q = 0.5271m/s в Additional Pipe

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Since there is a need to supply more water from reservoir A to reservoir B, it is
necessary to lay an additional pipe parallel to it. The existing pipe is 0.6m in diameter with
a discharge of 0.5m³/sec between the two reservoirs and 6000m long. Assume f = 0.02
%3|
for the old pipe and f = 0.25 for the additional pipe. Determine the following:
%3D
a. If the additional pipe will have a discharge of 0.65m³/sec of the same length and the
head difference between the two reservoirs is constant, find the pipe diameter.
ANSWER:
h= 25m
Existing Pipe
Q=0.50m³/sec
D = 0.697 m
в
Additional Pipe
b. If the additional pipe of 0.6m in diameter is laid out from the original pipe at its midpoint
towards reservoir B, find its capacity. Assume f = 0.02. Also solve for the change in the
%3D
flow or discharge from A to B.
ANSWER:
Existing Pipe
h=25m
QA = 0.7232m/s, QB = 0.3923m³/s,
%3D
AQ = QA – Q = 0.5271m³/s
%3D
|
в
`Additional Pipe
Transcribed Image Text:Since there is a need to supply more water from reservoir A to reservoir B, it is necessary to lay an additional pipe parallel to it. The existing pipe is 0.6m in diameter with a discharge of 0.5m³/sec between the two reservoirs and 6000m long. Assume f = 0.02 %3| for the old pipe and f = 0.25 for the additional pipe. Determine the following: %3D a. If the additional pipe will have a discharge of 0.65m³/sec of the same length and the head difference between the two reservoirs is constant, find the pipe diameter. ANSWER: h= 25m Existing Pipe Q=0.50m³/sec D = 0.697 m в Additional Pipe b. If the additional pipe of 0.6m in diameter is laid out from the original pipe at its midpoint towards reservoir B, find its capacity. Assume f = 0.02. Also solve for the change in the %3D flow or discharge from A to B. ANSWER: Existing Pipe h=25m QA = 0.7232m/s, QB = 0.3923m³/s, %3D AQ = QA – Q = 0.5271m³/s %3D | в `Additional Pipe
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