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.
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
Q92.
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
Q93.
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
Q94.
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
Q95.
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
Q96.
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℃
Q97.
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
Q98.
What is the variation of cp, cv and k in case of gases when the temperature increases?

a.

cp and cv decreases with temperature, and k increases

b.

cp and cv increase with temperature, and k decreases

c.

cp and cv increase with temperature, and k increases

d.

cp and cv decreases with temperature, and k decreases

Discuss
Answer: (b).cp and cv increase with temperature, and k decreases
Q99.
Calculate the magnitude of capillary effect in millimeters in a glass tube of 7mm diameter, when immersed in mercury. The temperature of the liquid is 25℃ and the values of surface tension of mercury at 25℃ is 0.51 N/m. The angle of contact for mercury is 130°.

a.

140

b.

280

c.

170

d.

210

Discuss
Answer: (a).140
Q100.
Determine the minimum size of glass tube that can be used to measure water level if the capillary rise in the tube is restricted to 5mm. Consider surface tension of water in contact with air as 0.073 N/m.

a.

5.95mm

b.

11.9mm

c.

2.97mm

d.

4.46mm

Discuss
Answer: (a).5.95mm
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