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A pipeline (diameter 0.3 m, length 3 km) carries water from point P to point R (see figure). The piezometric

A pipeline (diameter 0.3 m, length 3 km) carries water from point P to point R (see figure). The piezometric

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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7.12 If there is no restriction on the diameter of the A pipeline (diameter 0.3 m, length 3 km) carries water from point P to point R (see figure). The piezometric heads at P and R are to be maintained at 100 m and 80 m, respectively. To increase the discharge, a second pipe is added in parallel to the existing pipe from Q to R. The length of the additional pipe is also 2 km. Assume the friction factor, f= 0.04 for all pipes and ignore minor losses. 1 km→ 2 km P• • R 2 km 7.11 What is the increase in discharge if the additional pipe has same diameter (0.3 m)? (a) 0% (c) 41% (b) 33% (d) 67% 7.12 If there is no restriction on the diameter of the additional pipe, what would be the maximum increase in discharge theoretically possible from this arrangement? (a) 0% (c) 67% (b) 50% (d) 73%
Transcribed Image Text:7.12 If there is no restriction on the diameter of the A pipeline (diameter 0.3 m, length 3 km) carries water from point P to point R (see figure). The piezometric heads at P and R are to be maintained at 100 m and 80 m, respectively. To increase the discharge, a second pipe is added in parallel to the existing pipe from Q to R. The length of the additional pipe is also 2 km. Assume the friction factor, f= 0.04 for all pipes and ignore minor losses. 1 km→ 2 km P• • R 2 km 7.11 What is the increase in discharge if the additional pipe has same diameter (0.3 m)? (a) 0% (c) 41% (b) 33% (d) 67% 7.12 If there is no restriction on the diameter of the additional pipe, what would be the maximum increase in discharge theoretically possible from this arrangement? (a) 0% (c) 67% (b) 50% (d) 73%
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