WATER RESOURCES ENGINEERING
3rd Edition
ISBN: 9781119490579
Author: Mays
Publisher: WILEY
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Chapter 5, Problem 5.2.2P
To determine
The critical flow depth.
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If a second 12.25" pump was added in parallel what would be the NPSHr be while both pumps are running?
HEAD (Feet)
250-
200-
Pump Series: VSX-VSC
10x12x13-1/2A
1780 RPM
13.5"
60%
70% -75%
80%
83%
-85.5%-
150-
12.25"
100-
50
50-
10"
0-
2,000
NPSHr
83%.
80%
300HP-
-75%
250HP
200HP
70%
150HP
125HP
100HP
NPSHr(ft)
0
4,000
6,000
8,000
Capacity (GPM)
80
90
8
Solve for reactions and shear and moment diagram (base the answer on the 2nd figure)
1. Note: Assume bottom support as pinned
14 kN/m
16 kN
6m
5m
3m-
6m
A plant treats 25 MGD at 5°C and pH=7.0. The plant uses ozone before the filter and free chlorine after the filter. The ozone contactor has a t10 of 3 minutes and a residual concentration of 0.3 mg/L. The free chlorine contact basin is 65 ft by 214 ft by 10 ft and a baffle factor of 0.5 and a residual concentration of 1.4 mg/L
Chapter 5 Solutions
WATER RESOURCES ENGINEERING
Ch. 5 - Prob. 5.1.1PCh. 5 - Prob. 5.1.2PCh. 5 - Prob. 5.1.3PCh. 5 - Prob. 5.1.4PCh. 5 - Prob. 5.1.5PCh. 5 - Prob. 5.1.6PCh. 5 - Prob. 5.1.7PCh. 5 - Prob. 5.1.8PCh. 5 - Prob. 5.1.9PCh. 5 - Prob. 5.2.1P
Ch. 5 - Prob. 5.2.2PCh. 5 - Prob. 5.3.1PCh. 5 - Prob. 5.3.2PCh. 5 - Prob. 5.3.3PCh. 5 - Prob. 5.3.4PCh. 5 - Prob. 5.3.5PCh. 5 - Prob. 5.3.6PCh. 5 - Prob. 5.4.1PCh. 5 - Prob. 5.4.2PCh. 5 - Prob. 5.5.1PCh. 5 - Prob. 5.5.2PCh. 5 - Prob. 5.5.3PCh. 5 - Prob. 5.5.4PCh. 5 - Prob. 5.5.5PCh. 5 - Prob. 5.5.6P
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