Explore topic-wise MCQs in Fluid Mechanics.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Fluid Mechanics knowledge and support exam preparation. Choose a topic below to get started.

1.

Two fluids 1 and 2 have mass densities of p1 and p2 respectively. If p1 > p2, which one of the following expressions will represent the relation between their specific volumes v1 and v2?

A. v1 > v2
B. v1 < v2
C. v1 = v2
D. Cannot be determined due to insufficient information.
Answer» C. v1 = v2
Discussion
2.

Which one of the following is the dimension of specific weight of a liquid?

A. [ML-3 T -2].
B. [ML3 T-2].
C. [ML-2 T-2].
D. [ML2 T-2].
Answer» D. [ML2 T-2].
Discussion
3.

TWO_FLUIDS_1_AND_2_HAVE_MASS_DENSITIES_OF_P1_AND_P2_RESPECTIVELY._IF_P1_>_P2,_WHICH_ONE_OF_THE_FOLLOWING_EXPRESSIONS_WILL_REPRESENT_THE_RELATION_BETWEEN_THEIR_SPECIFIC_VOLUMES_V1_AND_V2??$

A. v1 > v2
B. v1 < v2
C. v1 = v2
D. Cannot be determined due to insufficient information.
Answer» C. v1 = v2
Discussion
4.

A beaker is filled with a liquid up to the mark of one litre and weighed. The weight of the liquid is found to be 6.5 N. The specific gravity of the liquid will be$

A. 0.65
B. 0.66
C. 0.67
D. 0.68
Answer» C. 0.67
Discussion
5.

A_beaker_is_filled_with_a_liquid_up_to_the_mark_of_one_litre_and_weighed._The_weight_of_the_liquid_is_found_to_be_6.5_N._The_specific_volume_of_the_liquid_will_be

A. 1 l =kg
B. 1:5 l =kg
C. 2 l =kg
D. 2:5 l =kg
Answer» C. 2 l =kg
Discussion
6.

Which one of the following is the dimension of specific volume of a liquid?

A. [M<sup>1</sup> L<sup>-3</sup> T<sup>0</sup>].
B. [M<sup>-1</sup> L<sup>3</sup> T<sup>0</sup>].
C. [M<sup>-1</sup> L<sup>-3</sup> T<sup>0</sup>].
D. [M<sup>0</sup> L<sup>3</sup> T<sup>0</sup>].
Answer» C. [M<sup>-1</sup> L<sup>-3</sup> T<sup>0</sup>].
Discussion
7.

Which one of the following is the dimension of specific gravity of a liquid?

A. [M<sup>1</sup> L<sup>-3</sup> T<sup>0</sup>].
B. [M<sup>1</sup> L<sup>0</sup> T<sup>0</sup>].
C. [M<sup>0</sup> L<sup>-3</sup> T<sup>0</sup>].
D. [M<sup>0</sup> L<sup>0</sup> T<sup>0</sup>].
Answer» E.
Discussion
8.

Which one of the following is the dimension of mass density?

A. [M<sup>1</sup> L<sup>-3</sup> T<sup>0</sup>].
B. [M<sup>1</sup> L<sup>3</sup> T<sup>0</sup>].
C. [M<sup>0</sup> L<sup>-3</sup> T<sup>0</sup>].
D. [M<sup>0</sup> L<sup>3</sup> T<sup>0</sup>].
Answer» B. [M<sup>1</sup> L<sup>3</sup> T<sup>0</sup>].
Discussion
9.

Which one of the following is the unit of specific weight?

A. N = m<sup>3</sup>
B. N = m<sup>2</sup>
C. N = m
D. N = ms
Answer» B. N = m<sup>2</sup>
Discussion
10.

The specific volume of a liquid is the reciprocal of

A. weight density
B. mass density
C. specific weight
D. specific volume
Answer» C. specific weight
Discussion
11.

The specific gravity of a liquid has

A. the same unit as that of mass density
B. the same unit as that of weight density
C. the same unit as that of specific volume
D. no unit
Answer» E.
Discussion
12.

Which one of the following is the unit of mass density?

A. kg = m<sup>3</sup>
B. kg = m<sup>2</sup>
C. kg = m
D. kg = ms
Answer» B. kg = m<sup>2</sup>
Discussion