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Environmental Engineering Practice Test: Pumps and Pumping
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Environmental engineering pumps are used to lift and force water into distribution pipes. Pumping is needed for the following reasons: To increase the pressure of water at certain points in the distribution system To lift treated water to elevated storage tanks so it can flow automatically into the distribution system To deliver treated water to consumer taps at a reasonable pressure To increase the discharge or velocity by boosting the pressure in the water distribution network  Topics include: Types of Pumps, Centrifugal Pump, Reciprocating Pump, Well Pump, & Selection of Pumping... Show more
Environmental Engineering Practice Test: Pumps and Pumping
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25 Questions

1. Which of the following is not included in the friction head?
2. The specific speed of a pump is given by _____________
3. In which type of pump, the liquid is in contact with both sides of the plunger?
4. Based on the type of casing, the centrifugal pump is divided into _____ types.
5. The efficiency of the pump at half load is ____________
6. The plot of total dynamic head and discharge of a pump is called ____________
7. When the pumps are in parallel operation?
8. Which type of pump is specifically used for shallow wells?
9. Which type of reciprocating pump has a 1200 crank?
10. Depending on the number of impellers, the centrifugal pump is divided into ______________ types.
11. _______ is provided at the entrance of suction pipe during centrifugal pump installation.
12. The speed at which the centrifugal pump runs (in r.p.m) is _____________
13. How many types of hand pumps are used?
14. The efficiency of the pump at quarter load is ____________
15. Based on the number of cylinders, the reciprocating pump is divided into ____ types.
16. Which of the following type of pump is based on the number of entrances to the impeller?
17. Quintuplex pump has a crank of ____
18. The number of valves required in rotary pump is _____________
19. If the diameter of pumping mains decreases, then the total dynamic head will increase.
20. Consider the following statements.

i. Capacity of the pump

ii. Number of pump units

iii. Discharge condition
The selection of a particular type of pump depends on which of the following?
21. The installed capacity of the pump does not depend on which of the following?
22. __________ is defined as the speed at which a pump will discharge a unit flow under a unit head at maximum efficiency.
23. Which of the following pump is not an example of well pump?
24. A booster pump is based on _____________
25. Consider the following statement regarding Reciprocating pump.

i. High initial cost

ii. Requires a small space

iii. Less power required
Which of the following is/are incorrect statements?

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