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.

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Pressure and Its Measurement MCQs | Page 4 of 7

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Q31.
If fluid is at rest in a container of a narrow mouth at a certain column height and same fluid is at rest at same column height in a container having broad mouth, will the pressure be different at certain depth from fluid surface.

a.

Pressure will be same for both.

b.

Pressure will be more for narrower mouth

c.

Pressure will be less for narrower mouth

d.

None of the mentioned

Discuss
Answer: (a).Pressure will be same for both.
Q32.
We can draw Mohr’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
Q33.
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
Q34.
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
Q35.
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
Q36.
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
Q37.
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
Q38.
A single coloumn manometer is connected to a pipe containing a liquid of specific gravity 0.75. Find the pressure in the pipe if the area of reservoir is 250 times the area of tube for the manometer reading. The difference in mercury level is 40 cm. On the left limb the fluid is upto the height of 20 cm.

a.

10.42 N/cm²

b.

5.21 N/cm²

c.

2.60 N/cm²

d.

None of the mentioned

Discuss
Answer: (b).5.21 N/cm²
Q39.
A Differential manometer is connected at the points A and Bat the centre of two pipes. The pipe A(left limb) contains a liquid of specific gravity = 1.5 while pipe B (right limb)contains a liquid of specific gravity 0.85. The pressure at A and B are 0.5 kgf/cm² and 1.2 kgf/cm² respectively. Find the difference in level of mercuru in the differential manometer. A is 2.5m above B and 5 m above the mercury in its own limb. B is 2.5 m above the mercury level in limb A.

a.

12.7 cm

b.

25.5 cm

c.

6.28 cm

d.

10.85 cm

Discuss
Answer: (a).12.7 cm
Q40.
Three beakers 1, 2 and 3 of different shapes are kept on a horizontal table and filled with water up to a height h. If the pressure at the base of the beakers are P₁, P₂ and P₃ respectively, which one of the following will be the relation connecting the three?

a.

P₁ > P₂ > P₃

b.

P₁ < P₂ < P₃

c.

P₁ = P₂ = P₃

d.

P₁ > P₂ < P₃

Discuss
Answer: (c).P₁ = P₂ = P₃
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