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 2 of 7

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Q11.
Which one of the following is the unit of pressure?

a.

N

b.

N/m

c.

N/m²

d.

N/m³

Discuss
Answer: (c).N/m²
Q12.
Which one of the following is the dimension of pressure?

a.

[MLT²].

b.

[MLT⁻²].

c.

[ML⁻¹T²].

d.

[ML⁻¹T⁻²].

Discuss
Answer: (d).[ML⁻¹T⁻²].
Q13.
Which one of the following statements is true regarding pressure?

a.

Pressure is a scalar quantity

b.

Pressure is a vector quantity

c.

Pressure is a scalar quantity only when the area is infinitesimally small

d.

Pressure is a vector quantity only when the area is infinitesimally small

Discuss
Answer: (a).Pressure is a scalar quantity
Q14.
If the pressure at a point is 1m of water, what will be it’s value in terms of m of oil? (Take, the specific gravity of oil to be 0.8)

a.

0.8

b.

1

c.

1.25

d.

2.5

Discuss
Answer: (c).1.25
Q15.
A beaker of height h is completely filled with water. Now two-third of the liquid is replaced by another liquid. If the pressure at the base of the beaker doubled, what is the specific gravity of the liquid poured?

a.

0.5

b.

1

c.

2

d.

2.5

Discuss
Answer: (d).2.5
Q16.
A Hydraulic press has a ram of 30 cm diameter and a plunger of of 2 cm diameter. It is used for lifting a weight of 35 kN. Find the force required at the plunger.

a.

233.3 kN

b.

311.1 kN

c.

466.6 kN

d.

155.5 kN

Discuss
Answer: (d).155.5 kN
Q17.
The pressure at a point in the fluid is 4.9 N/cm². Find height when the fluid under consideration is in oil of specific gravity of 0.85.

a.

5.83 m

b.

11.66 m

c.

17.49 m

d.

8.74 m

Discuss
Answer: (a).5.83 m
Q18.
An open tank contains water upto a depth of 350 cm and above it an oil of specific gravity 0.65 for a depth of 2.5 m. Find the pressure intensity at the extreme bottom of the tank.

a.

5.027 N/cm²

b.

10.05 N/cm²

c.

2.51 N/cm²

d.

None of the mentioned

Discuss
Answer: (a).5.027 N/cm²
Q19.
The diameters of a small piston and a large piston of a hydraulic jack are 45 mm and 100 mm respectively.Force of 0.09 kN applied on smaller in size piston. Find load lifted by piston if smaller in size piston is 40 cm above the large piston. The density of fluid is 850 kg/m³.

a.

60 N/cm²

b.

12 N/cm²

c.

30 N/cm²

d.

None of the mentioned

Discuss
Answer: (a).60 N/cm²
Q20.
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.
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