Explore topic-wise MCQs in Environmental Engineering.

This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

When the specific speed of the pump is <2600, the type of pump is _____________

A. Reciprocating pump
B. Centrifugal pump
C. Mixed flow pump
D. Axial flow pump
Answer» C. Mixed flow pump
2.

The specific speed of a pump is given by _____________

A. NQ1/2 / H2
B. NQ1/2 / H3/4
C. NQ / H3/4
D. NQ 1/2 / H1/4
Answer» C. NQ / H3/4
3.

Radial flow pump is a pump classified on the basis of _____________

A. Direction of flow
B. Number of impellers
C. Number of entrances to the impeller
D. On the basis of shaft
Answer» B. Number of impellers
4.

The each stage in centrifugal pump increase the head by ______________

A. 10m
B. 20m
C. 30m
D. 60m
Answer» D. 60m
5.

Depending on the number of impellers, the centrifugal pump is divided into ______________ types.

A. Two
B. Three
C. Four
D. Six
Answer» B. Three
6.

Consider the following statements regarding vortex chamber.i. Reduce the velocity of the pumpii. Convert pressure energy into kinetic energyiii. Decrease the efficiency of the pumpWhich of the above statement is correct?

A. Only i
B. Only ii
C. Only iii
D. i, ii, iii
Answer» B. Only ii
7.

The advance version of volute chamber is designed by _____________

A. V. Richardson
B. J. Thomson
C. Darcy Weisbach
D. Bernoulli
Answer» C. Darcy Weisbach
8.

The impeller in the volute pump is surrounded by _____________

A. Discharge pipe
B. Throat
C. Suction pipe
D. Volute chamber
Answer» E.
9.

THE_SPECIFIC_SPEED_OF_A_PUMP_IS_GIVEN_BY?$

A. NQ<sup>1/2</sup> / H <sup>2</sup>
B. NQ<sup>1/2</sup> / H <sup>3/4</sup>
C. NQ/ H<sup>3/4</sup>
D. NQ <sup>1/2</sup> / H<sup>1/4</sup>
Answer» C. NQ/ H<sup>3/4</sup>
10.

When_the_specific_speed_of_the_pump_is_<2600,_the_type_of_pump_is$

A. Reciprocating pump
B. Centrifugal pump
C. Mixed flow pump
D. Axial flow pump
Answer» C. Mixed flow pump
11.

Which of the following type of pump is based on the number of entrances to the impeller?

A. Single stage pump
B. Single suction pump
C. Mixed flow pump
D. Horizontal pump
Answer» C. Mixed flow pump
12.

Radial flow pump is a pump classified on the basis of

A. Direction of flow
B. Number of impellers
C. Number of entrances to the impeller
D. On the basis of shaft
Answer» B. Number of impellers
13.

The each stage in centrifugal pump increase the head by ___

A. 10m
B. 20m
C. 30m
D. 60m
Answer» D. 60m
14.

Depending on the number of impellers, the centrifugal pump is divided into ____ types.

A. Two
B. Three
C. Four
D. Six
Answer» B. Three
15.

A diffuser pump is also called as _______ pump.

A. Reciprocating pump
B. Volute pump
C. Turbine pump
D. Rotary pump
Answer» D. Rotary pump
16.

The advance version of volute chamber is designed by

A. V. Richardson
B. J. Thomson
C. Darcy Weisbach
D. Bernoulli
Answer» C. Darcy Weisbach
17.

The impeller in the volute pump is surrounded by

A. Discharge pipe
B. Throat
C. Suction pipe
D. Volute chamber
Answer» E.