Properties of Fluids MCQs

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

Properties of Fluids MCQs | Page 10 of 12

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Q91.
A water drop of diameter 1 cm breaks into 1000 similar droplets of same diameter. What will be the gain or loss in the surface energy? (Take surface tension as 0.075 N/m)

a.

gain of 0.424 mJ

b.

gain of 0.212 mJ

c.

loss of 0.212 mJ

d.

loss of 0.424 mJ

Discuss
Answer: (b).gain of 0.212 mJ
Q92.
If there is no exchange of heat between system and surrounding where system comprises of a compressible fluid but the heat is generated due to friction, the process is an adiabatic.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q93.
For a compressible fluid, if there is no change in specific volume at constant temperature, what type of process it is?

a.

Isothermal process

b.

Adiabatic Process

c.

Polytropic process

d.

None of the mentioned

Discuss
Answer: (a).Isothermal process
Q94.
If the fluid is incompressible, do thermodynamic properties play an important role in its behaviour at varying temperature and pressure?

a.

Yes

b.

No

c.

Depends on the fluid

d.

None of the mentioned

Discuss
Answer: (b).No
Q95.
If for same temperature and pressure change, the value of bulk modulus is compared for isothermal process and adiabatic process, which one would be higher?

a.

Isothermal process

b.

Adiabatic process

c.

Value is constant for both the processes

d.

None of the mentioned

Discuss
Answer: (b).Adiabatic process
Q96.
The value of gas constant is same for all the gases.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q97.
Calculate the pressure exerted by 9 kg of air at a temperature of 20℃ if the volume is 0.8m³. Assuming ideal gas laws are applicable.

a.

946 kN/m²

b.

1892 kN/m²

c.

1419 kN/m²

d.

None of the mentioned

Discuss
Answer: (a).946 kN/m²
Q98.
A gas weighs 16 N/m³ at 30℃ and at an absolute pressure of 0.35 N/mm². Determine the gas constant.

a.

708.23

b.

354.11

c.

531.17

d.

1062.34

Discuss
Answer: (a).708.23
Q99.
A cylinder of 0.8 m³ in volume contains superheated steam at 70℃ and 0.4 N/m² absolute pressure. The superheated steam is compressed to 0.3 . Find pressure and temperature.

a.

0.74 N/m², 422.3℃

b.

1.48 N/m², 422.3℃

c.

0.74 N/m², 844.6℃

d.

1.48 N/m², 844.6℃

Discuss
Answer: (a).0.74 N/m², 422.3℃
Q100.
Determine the compressibility of an incompressible fluid, if the pressure of the fluid is changed from 70 N/m² to 130 N/m². The volume of the liquid changes by 0.15 percent.

a.

0.0025 m²/N

b.

0.0050 m²/N

c.

0.0070 m²/N

d.

0.0012 m²/N

Discuss
Answer: (a).0.0025 m²/N
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