Hydrostatic Forces on Surfaces MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Hydrostatic Forces on Surfaces, a fundamental topic in the field of Fluid Mechanics. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Hydrostatic Forces on Surfaces MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Hydrostatic Forces on Surfaces mcq questions that explore various aspects of Hydrostatic Forces on Surfaces problems. Each MCQ is crafted to challenge your understanding of Hydrostatic Forces on Surfaces principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Fluid Mechanics tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Hydrostatic Forces on Surfaces MCQs are your pathway to success in mastering this essential Fluid Mechanics topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Hydrostatic Forces on Surfaces. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Hydrostatic Forces on Surfaces knowledge to the test? Let's get started with our carefully curated MCQs!

Hydrostatic Forces on Surfaces MCQs | Page 3 of 6

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Q21.
A square lamina (each side equal to 2m) with a central hole of diameter 1m is submerged vertically in water such that the upper edge of the lamina is at a depth of 0.5 m from the free surface. What will be the total water pressure (in kN) on the lamina?

a.

15.77

b.

31.54

c.

47.31

d.

63.08

Discuss
Answer: (c).47.31
Q22.
A square lamina (each side equal to 2m) is submerged vertically in water such that the upper edge of the lamina is at a depth of 0.5 m from the free surface. What will be the depth (in m) of the centre of pressure?

a.

1.32

b.

1.42

c.

1.52

d.

1.72

Discuss
Answer: (d).1.72
Q23.
What will be the total pressure (in kN) on a vertical square lamina submerged in a tank of oil (S=0.9) as shown in the figure?

a.

26.5

b.

35.3

c.

44.1

d.

61.7

Discuss
Answer: (c).44.1
Q24.
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

Discuss
Answer: (a).18.5 N/cm²
Q25.
A rectangular plate surface 3m wide and 5m deep lies in fluid of specific gravity 0.9 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

Discuss
Answer: (a).86.5 N/cm²
Q26.
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

Discuss
Answer: (a).311.15 N/cm²
Q27.
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

Discuss
Answer: (a).2.5 m
Q28.
The upper and lower edges of a square lamina of length 4 m are at a depths of 1 m and 3 m respectively in water. What will be the depth (in m) of the centre of pressure?

a.

1.33

b.

1.57

c.

2.17

d.

2.33

Discuss
Answer: (c).2.17
Q29.
The upper and lower edges of a square lamina of length 4 m are at a depths of 1 m and 3 m respectively in water. What will be the total pressure (in kN) on the lamina?

a.

156.96

b.

235.44

c.

313.92

d.

392.4

Discuss
Answer: (c).313.92
Q30.
What will be the depth (in m) of the centre of pressure for a vertical square lamina submerged in a tank of oil (S=0.8) as shown in the figure?

a.

1.45

b.

1.65

c.

1.75

d.

1.95

Discuss
Answer: (c).1.75
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