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.
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| 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
B.Pressure in cylinders vs swept volume
C.Flow vs speed
D.Pressure vs speed
Answer: B
2. The fluid coming in the centrifugal pump is accelerating with the help of...
a) Throttle
b) Impeller
c) Nozzle
d) Governor
Answer: B
3. centrifugal pump is suitable for low speed and high head in use.
A. True
B. False
Answer: B
4. The centrifugal pump maximum efficiency when the plates are in the form of
A.straight
B.Bent forward
C.Bent backward
D.Radial
B.Bent forward
C.Bent backward
D.Radial
Answer: B
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
Answer: C
6. Turbomachines work under Newtons second law.
a) True
b) False
Answer: A
7. In centrifugal pump friction is more than reciprocating pump.
A. TRUE
B. FALSE
Answer: A
8. The main function of the nozzle is to vary...
a) Varying temperatures
b) Pressure variations
c) Load variations
d) Heat variations
a) Varying temperatures
b) Pressure variations
c) Load variations
d) Heat variations
Answer: B
9. Centrifugal pump is types of reciprocating is true or false.
A. True
B. False
Answer: B
10. The 1st objective of a centrifugal pump is to transferring the energy.
a) True
b) False
Answer: A
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
Answer: C
12. Turbomachine is transferring energy between rotor and fluid, including the turbines and compressors.
a) true
b) False
Answer: A
13. the flow rate is controlled in centrifugal pump by
a) Valve
b) Pump
c) Head
d) Tank pipe
Answer: A
14. Multistage centrifugal pumps is use for which of the following factor..
A. High head
B. High velocity
C. High discharge
D. High efficiency
Answer: A
15. Turbines and compressors are working with gas, that time the centrifugal pump transfers energy.
a) True
b) False
a) True
b) False
Answer: A
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
Answer: D
17. Centrifugal pump is also known as which pump.
A. Reciprocating
B. Velocity
C. Screw
D. Vane
Answer: B
18.The inlet passage of water entry is not controlled by the gate opening in pumps
a) True
b) False
b) False
Answer: B
19. In centrifugal pump liquid is entered from the which side
A. At bottom
B. At center
C. At top
D. From side
Answer: B
20. Centrifugal pumps is used for low flow rates.
a) True
b) False
Answer: B
21. Centrifugal pump used for transforming high discharge than reciprocating pump.
a) true
b) false
b) false
Answer: A
22. Centrifugal pumps are using to transfer which of the following parameter.
a) Pressureb) Speed
c) Power
d) Fluid
Answer: D
23. With the increase in load, in turbine energy are...
a) Decreases
b) Increases
c) Remains same
d) Independent
a) Decreases
b) Increases
c) Remains same
d) Independent
Answer: A
24. The rotational kinetic energy coming from the
a) Engine motor
b) Pump
c) Tank
d) Draft tube
a) Engine motor
b) Pump
c) Tank
d) Draft tube
Answer: A
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
Answer: B
26.The fluid coming into the pump is accelerated by the nozzle.
a) True
b) False
Answer: B
27. Submersible Centrifugal pump is used in borewells.
A. True
B. False
Answer: A
Here we concluding, If you have any queries about this topic of centrifugal pumps then feel free to comment below.
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