Basic Mechanical Engineering (3110006) MCQs

MCQs of Pumps

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1.
The pump is a device which converts mechanical energy into
(a) chemical energy
(b) electrical energy
(c) hydraulic energy
(d) nuclear energy
Answer:

Option (c)

2.
The pump transfers the mechanical energy of a motor or of an engine into _________ of a fluid.
(a) pressure energy
(b) kinetic energy
(c) either pressure energy or kinetic energy
(d) both pressure energy and kinetic energy
Answer:

Option (d)

3.
A pump is a machine which is used to
(a) lift liquid from low height to higher elevation
(b) to store liquid
(c) to compress liquid
(d) none of the above
Answer:

Option (a)

4.
The positive displacement pumps work on the principle of
(a) the liquid is discharged due to the positive displacement
(b) the dynamic action of liquid
(c) positive velocity
(d) none of the above
Answer:

Option (a)

5.
Which one of the following is not a positive displacement pump?
(a) Gear pump
(b) Vane pump
(c) Centrifugal pump
(d) Screw pump
Answer:

Option (c)

6.
The discharge capacity of the reciprocating pump is __________ that of the centrifugal pump.
(a) higher than
(b) lower than
(c) same as
(d) unpredictable
Answer:

Option (b)

7.
For small discharge and high pressure, the pump preferred is
(a) centrifugal type
(b) reciprocating type
(c) gear pump
(d) all of the above
Answer:

Option (b)

8.
For high discharge and low pressure, the pump preferred is
(a) centrifugal pump
(b) reciprocating pump
(c) gear pump
(d) all of the above
Answer:

Option (a)

9.
An air vessel is used in
(a) single-acting reciprocating pump
(b) gear pump
(c) vane pump
(d) centrifugal pump
Answer:

Option (a)

10.
The advantage of double-acting reciprocating pump over a single acting pump is
(a) gives clean water
(b) gives uniform discharge
(c) consumes more power
(d) it has less friction loss
Answer:

Option (b)

Showing 1 to 10 out of 27 Questions
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