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Water Supply Pumping Station


Quiz Questions

1. Main pumping stations which supply water to the distribution system will be located near the water treatment facility or a potable water storage facility and will pump directly into the piping system.
True
False
2. Pumps which pump directly into transmission lines and distribution systems are sometimes called high lift pump.
True
False
3. Booster pumps may be located anywhere in the system to increase the pressure in the pipeline. Booster pump stations are usually located remote from the main pump station, as in hilly topography where pressure zones are required.
True
False
4. The location of the pump station and intake structure, and the anticipated heads and capacities are the major factors in the selection of pumps.
True
False
5. Which one of the following is the reason that pump station water is metered.
To calculate the distribution system losses by subtracting the total meter readings from total supply.
To monitor pump efficiency
To determine gross billings for water supplied
All of the above.
6. Pump cavitation happens in centrifugal pumps. Cavitation in pipeline may take place at sudden enlargements of the pipe cross section, at sharp bends, throttled valves or similar situations.
True
False
7. Which one of the following should be avoided by the designer.
Operating heads much lower than rated head at peak efficiency of the pump.
Operating capacities much higher than rated capacity at peak efficacy of the pump
Suction lift higher or positive suction head lower than recommended by the manufacturer
Liquid temperatures higher than that for which the system was originally designed.
Pump speeds higher than manufacturer’s recommendations. For propeller pumps, the designer should avoid these conditions except conditions 1 and 2 will be stated as follows
1. Operating heads much higher than peak efficiency of the pump

2. Operating capacities much lower than capacity at peak efficiency of the pump.
All of the above

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