41. (a) In Fig. 9-24, the pressure in supply main D is 207 kPa when the flow from A is 0.263 m³/s. Valves B and C are closed. Find the elevation of reservoir A. (b) The flow and pressure in (a) are unchanged, but valve C is open fully and valve B is only partly open. If the new elevation of reservoir A is 64.4 m, what is the loss through valve B? Ans. El. 68.3 m, 6.1 m 2440 m-600 mm 914 m-400 mm, C, = 100 C; = 120 El. 30.5 m 1520 m–300 mm, C, = 100 %3!
41. (a) In Fig. 9-24, the pressure in supply main D is 207 kPa when the flow from A is 0.263 m³/s. Valves B and C are closed. Find the elevation of reservoir A. (b) The flow and pressure in (a) are unchanged, but valve C is open fully and valve B is only partly open. If the new elevation of reservoir A is 64.4 m, what is the loss through valve B? Ans. El. 68.3 m, 6.1 m 2440 m-600 mm 914 m-400 mm, C, = 100 C; = 120 El. 30.5 m 1520 m–300 mm, C, = 100 %3!
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:9.41. (a) In Fig. 9-24, the pressure in supply main D is 207 kPa when the flow from A is 0.263 m³/s. Valves B
and C are closed. Find the elevation of reservoir A. (b) The flow and pressure in (a) are unchanged, but
valve C is open fully and valve B is only partly open. If the new elevation of reservoir A is 64.4 m, what
is the loss through valve B?
Ans. El. 68.3 m, 6.1 m
2440 m-600 mm
914 m-400 mm, C, = 100
C, = 120
%3D
DEI. 30.5 m
1520 m-300 mm, C, = 100
%3D
Fig. 9-24
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