Pressure and Its Measurement MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Pressure and Its Measurement, 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 Pressure and Its Measurement 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 Pressure and Its Measurement mcq questions that explore various aspects of Pressure and Its Measurement problems. Each MCQ is crafted to challenge your understanding of Pressure and Its Measurement 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 Pressure and Its Measurement 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 Pressure and Its Measurement. 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 Pressure and Its Measurement knowledge to the test? Let's get started with our carefully curated MCQs!

Pressure and Its Measurement MCQs | Page 3 of 7

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Q21.
We can draw Mohrโ€™s circle for a fluid at rest.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q22.
Pressure intensity or force due to pressure gradient for fluid at rest is considered as which kind of force?

a.

Surface force

b.

Body force

c.

Force due to motion

d.

None of the mentioned

Discuss
Answer: (a).Surface force
Q23.
Calculate the hydrostatic pressure for water moving with constant velocity at a depth of 5 m from the surface.

a.

49 kN/m²

b.

98 kN/m²

c.

since fluid is in motion, we cannot analyse

d.

None of the mentioned

Discuss
Answer: (a).49 kN/m²
Q24.
Pressure distribution for fluid at rest takes into consideration pressure due to viscous force.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q25.
A beaker half-filled with water is exposed to the atmosphere. If the pressure at points A, B and C as shown are Pa, Pb and Pc respectively, which one of the following will be the relation connecting the three?

a.

Pa > Pb = Pc

b.

Pa > Pb > Pc

c.

Pa < Pb < Pc

d.

Pa < Pb = Pc

Discuss
Answer: (d).Pa < Pb = Pc
Q26.
A beaker is filled with a liquid up to a height h. If A and B are two points, one on the free surface and one at the base as shown, such that the minimum distance between the two is l, what will be the pressure at point B?

a.

ฯgl

b.

ฯgh

c.

ฯg\(\sqrt{l^2 + h^2}\)

d.

ฯg\(\sqrt{l^2 - h^2}\)

Discuss
Answer: (b).ฯgh
Q27.
A beaker of height h is filled with a liquid of density ฯ up to a certain limit. The beaker is rotated by an angle ฮธ such that further increase in the angle will result in over flow of the liquid. If the liquid surface is exposed to the atmosphere, what will be the gauge pressure at point B?

a.

ฯgh

b.

ฯgh sin ฮธ

c.

ฯgh cos ฮธ

d.

ฯgh=2

Discuss
Answer: (c).ฯgh cos ฮธ
Q28.
An arm of a teapot is completely filled with tea (density=ฯ). If the arm has a length of l and is inclined at 30° to the horizontal, what will be the pressure difference between the two points, C at the mouth and D at the base of the arm?

a.

ฯgl

b.

ฯgl/2

c.

โˆš2ฯgl

d.

2ฯgl

Discuss
Answer: (b).ฯgl/2
Q29.
Barometer uses the principle of fluid at rest or pressure gradient for its pressure calculation.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q30.
The right limb of a simple U-tube manometer containing mercury is open to the atmosphere while the lift limb is connected to a pipe in which a fluid of specific gravity 0.85 is flowing. The centre of the pipe is 14 cm below the level of mercury in the right limb. Evaluate the pressure of fluid flowing in the pipe if the difference of mercury level in the two limbs is 22 cm.

a.

2.86 N/cm²

b.

5.73 N/cm²

c.

1.43 N/cm²

d.

None of the mentioned

Discuss
Answer: (a).2.86 N/cm²
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