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.

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Properties of Fluids MCQs | Page 7 of 12

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Q61.
Equal amount of a particular liquid is poured into three similar containers, namely 1, 2 and 3, at a temperature of T1, T2 and T3 respectively. If T1 < T2 < T3, the liquid in which container will have the highest vapor pressure?

a.

container 1

b.

container 2

c.

container 3

d.

the vapor pressure of the liquid will remain the same irrespective of it’s temperature

Discuss
Answer: (c).container 3
Q62.
The absolute pressure of a water is 0.5kN above it’s vapor pressure. If it flows with a velocity of 1m/s, what will be the value of Cavitation Number describing the flow induced boiling?

a.

0.25

b.

0.5

c.

1

d.

2

Discuss
Answer: (c).1
Q63.
Which of the following is correct regarding the formation and collapse of vapor bubbles in a liquid?

a.

Vapor bubbles are formed when the fluid pressure goes above the vapor pressure and collapses when the fluid pressure goes above the bubble pressure

b.

Vapor bubbles are formed when the fluid pressure goes above the vapor pressure and collapses when the fluid pressure goes below the bubble pressure

c.

Vapor bubbles are formed when the fluid pressure drops below the vapor pressure and collapses when the fluid pressure goes below the bubble pressure

d.

Vapor bubbles are formed when the fluid pressure drops below the vapor pressure and collapses when the fluid pressure goes above the bubble pressure

Discuss
Answer: (d).Vapor bubbles are formed when the fluid pressure drops below the vapor pressure and collapses when the fluid pressure goes above the bubble pressure
Q64.
Which one of the following is the correct relation between compressibility Ξ² and Bulk Modulus k?

a.

Ξ² = k

b.

Ξ² = 1/k

c.

Ξ² = 2k

d.

Ξ² = k/2

Discuss
Answer: (b).Ξ² = 1/k
Q65.
Which one of the following is true about Bulk Modulus of elasticity?

a.

it is the ratio of compressive stress to volumetric strain

b.

it is the ratio of compressive stress to linear strain

c.

it is the ratio of tensile stress to volumetric strain

d.

it is the ratio of tensile stress to linear strain

Discuss
Answer: (a).it is the ratio of compressive stress to volumetric strain
Q66.
The value of the Bulk Modulus of elasticity for an incompressible fluid is

a.

zero

b.

unity

c.

infinity

d.

very low

Discuss
Answer: (c).infinity
Q67.
Three fluids 1, 2 and 3 have Bulk Moduli of k1, k2 and k3 respectively. If k1 > k2 > k3, which liquid will have the highest compressibility?

a.

liquid 1

b.

liquid 2

c.

liquid 3

d.

they’ll have equal compressibilities

Discuss
Answer: (c).liquid 3
Q68.
Bulk Modulus, Pressure, Force, Stress – Which one of these won’t have the same unit as the others?

a.

Bulk Modulus

b.

Pressure

c.

Force

d.

Stress

Discuss
Answer: (c).Force
Q69.
Which of the following is the dimension of Bulk Modulus?

a.

[M¹L⁻¹T⁻¹].

b.

[M¹L⁻¹T⁻²].

c.

[M¹L¹T⁻²].

d.

[M¹L¹T⁻¹].

Discuss
Answer: (b).[M¹L⁻¹T⁻²].
Q70.
Which one of the following is the unit of compressibility?

a.

m=N

b.

m²=N

c.

m³=N

d.

it is unitless

Discuss
Answer: (b).m²=N
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