Explore topic-wise MCQs in Fluid Mechanics.

This section includes 17 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.

In case of spherical bodies with uniform mass distribution, what is the position of center of pressure relative to centre of gravity.

A. Above
B. Below
C. Coincides
D. None of the mentioned
Answer» D. None of the mentioned
2.

The total pressure or pressure intensity is zero for any point on inclined surface in space.

A. True
B. False
Answer» B. False
3.

For an inclined plane for which position, maximum total pressure acts on it.

A. Horizontal
B. Vertical
C. Inclined
D. None of the mentioned
Answer» C. Inclined
4.

A rectangular plan surface 5 m wide and 7 m deep lies in water in such a way that its plane makes an angle 60⁰ with the free surface of water. Determine the total pressure force when the upper edge is 3 m below the free surface.

A. 311.15 N/cm2
B. 622.3 N/cm2
C. 155.5 N/cm2
D. None of the mentioned
Answer» B. 622.3 N/cm2
5.

A rectangular plate surface 3m wide and 5m deep lies in fluid of specific gravity .9 such that its plane makes an angle of 45⁰ with water surface, upper edge 3m below free water surface. Determine the total pressure.

A. 86.5 N/cm2
B. 173 N/cm2
C. 43.25 N/cm2
D. None of the mentioned
Answer» B. 173 N/cm2
6.

Find the total pressure on a circular plate of diameter 3 m immersed in a fluid of specific gravity 0.75 at a depth of 5 m from the surface on a planet having acceleration dueto gravity 7 m/s2.

A. 18.5 N/cm2
B. 37 N/cm2
C. 9.25 N/cm2
D. None of the mentioned
Answer» B. 37 N/cm2
7.

Find the total pressure on a rectangular plate of dimensions 2×3 m immersed in a fluid of specific gravity 0.65 at a depth of 6 m from the surface.

A. 22.9 N/cm2
B. 45.8 N/cm2
C. 11.5 N/cm2
D. None of the mentioned
Answer» B. 45.8 N/cm2
8.

THE_TOTAL_PRESSURE_OR_PRESSURE_INTENSITY_IS_ZERO_FOR_ANY_POINT_ON_INCLINED_SURFACE_IN_SPACE.?$

A. True
B. False
Answer» B. False
9.

In_case_of_spherical_bodies_with_uniform_mass_distribution,_what_is_the_position_of_center_of_pressure_relative_to_centre_of_gravity.$

A. Above
B. Below
C. Coincides
D. None of the mentioned
Answer» D. None of the mentioned
10.

For an inclined plane for which position, maximum total pressure acts on it?

A. Horizontal
B. Vertical
C. Inclined
D. None of the mentioned
Answer» C. Inclined
11.

The pressure intensity for a horizontal plate is maximum on the surface of the earth and decreases as we move further away from the surface of the earth either downward or upward.

A. True
B. False
Answer» B. False
12.

For an inclined plate the pressure intensity at every point differs.

A. True
B. False
Answer» B. False
13.

A circular plate 5.0 m diameter is immersed in such a way that its greatest and least depth below the free surface are 3 m and 1 m respectively. determine the position of the centre of pressure.

A. 2.5 m
B. 5 m
C. 4.5 m
D. 6 m
Answer» B. 5 m
14.

A rectangular plan surface 5 m wide and 7 m deep lies in water in such a way that its plane makes an angle 60‚Äö√Ö‚àû with the free surface of water. Determine the total pressure force when the upper edge is 3 m below the free surface.$

A. 311.15 N/cm<sup>2</sup>
B. 622.3 N/cm<sup>2</sup>
C. 155.5 N/cm<sup>2</sup>
D. None of the mentioned
Answer» B. 622.3 N/cm<sup>2</sup>
15.

A rectangular plate surface 3m wide and 5m deep lies in fluid of specific gravity .9 such that its plane makes an angle of 45‚Äö√Ö‚àû with water surface, upper edge 3m below free water surface. Determine the total pressure.$

A. 86.5 N/cm<sup>2</sup>
B. 173 N/cm<sup>2</sup>
C. 43.25 N/cm<sup>2</sup>
D. None of the mentioned
Answer» B. 173 N/cm<sup>2</sup>
16.

Find the total pressure on a circular plate of diameter 3 m immersed in a fluid of specific gravity 0.75 at a depth of 5 m from the surface on a planet having acceleration dueto gravity 7 m/s2.

A. 18.5 N/cm<sup>2</sup>
B. 37 N/cm<sup>2</sup>
C. 9.25 N/cm<sup>2</sup>
D. None of the mentioned
Answer» B. 37 N/cm<sup>2</sup>
17.

Find the total pressure on a rectangular plate of dimensions 2√ó3 m immersed in a fluid of specific gravity 0.65 at a depth of 6 m from the surface.

A. 22.9 N/cm<sup>2</sup>
B. 45.8 N/cm<sup>2</sup>
C. 11.5 N/cm<sup>2</sup>
D. None of the mentioned
Answer» B. 45.8 N/cm<sup>2</sup>