# Mcq on centrifugal pumps

The Mechanical engg will Assist you to do many things with ease, with the help of concept of Mcq on Centrifugal pump also it brings the helpful technologies to modernize our society.

So keeping these things in mind, Lets learn about the topic of Mcq on Centrifugal pumps.

Multiple choice questions (MCQ)on centrifugal pumps.
 Submersible centrifugal pump

## Objective questions:

1. Indicated diagram of the reciprocating pump is the graph of the...
A.Floor vs swept volume
B.Pressure in cylinders vs swept volume
C.Flow vs speed
D.Pressure vs speed

2. The fluid coming in the centrifugal pump is accelerating with the help of...
a) Throttle
b) Impeller
c) Nozzle
d) Governor

3. centrifugal pump is suitable for low speed and high head in use.
A. True
B. False

4. The centrifugal pump maximum efficiency when the plates are in the form of

A.straight
B.Bent forward
C.Bent backward

5. Centrifugal pumps is work under which of the following law...
A. Keller's law
B. Newton First law
C. Newton second law
D. Newton Third law

6. Turbomachines work under Newtons second law.
a) True
b) False

7. In centrifugal pump friction is more than reciprocating pump.
A. TRUE
B. FALSE

8. The main function of the nozzle is to vary...
a) Varying temperatures
b) Pressure variations
d) Heat variations

9. Centrifugal pump is types of reciprocating is true or false.
A. True
B. False

10. The 1st objective of a centrifugal pump is to transferring the energy.

a) True
b) False

11. centrifugal pump is with respect to speed is...
A. Directly proportional to the N²
B. Inversely proportional to the N²
C. Directly proportional to the N
D. Inversely proportional to the N

12. Turbomachine is transferring energy between rotor and fluid, including the turbines and compressors.

a) true
b) False

13. the flow rate is controlled in centrifugal pump by

a) Valve
b) Pump

d) Tank pipe

14. Multistage centrifugal pumps is use for which of the following factor..
B. High velocity
C. High discharge
D. High efficiency

15. Turbines and compressors are working with  gas, that time the centrifugal pump transfers energy.
a) True
b) False

16. Head develope by the centrifugal pump is totally depends on which of the following factor.
A. Speed (N)
B. Impeller diameter (D)
C.  Fluid height (H)
D. Both A and B

17. Centrifugal pump is also known as which pump.
A. Reciprocating
B. Velocity
C. Screw
D. Vane

18.The inlet passage of water entry is not controlled by the gate opening in pumps
a) True
b) False

19. In centrifugal pump liquid is entered from the which side
A. At bottom
B. At center
C. At top
D. From side

20. Centrifugal pumps is used for low flow rates.
a) True
b) False

21. Centrifugal pump used for transforming high discharge than reciprocating pump.
a) true
b) false

22. Centrifugal pumps are using to transfer which of the following parameter.
a) Pressure
b) Speed
c) Power
d) Fluid

23. With the increase in load, in turbine energy are...
a) Decreases
b) Increases
c) Remains same
d) Independent

24. The rotational kinetic energy coming from the
a) Engine motor
b) Pump
c) Tank
d) Draft tube

25. Centrifugal pump is........... converting.
A. Hydraulic energy into kinetic energy
B. Kinetic energy into hydraulic energy
C. Mechanical energy into hydraulic energy
D. Mechanical energy into kinetic energy

26.The fluid coming into the pump is accelerated by the nozzle.
a) True
b) False

27. Submersible Centrifugal pump is used in borewells.
A. True
B. False

Here we concluding, If you have any queries about this topic of centrifugal pumps then feel free to comment below.

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