Kinematics of Flow and Ideal Flow MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Kinematics of Flow and Ideal Flow, 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 Kinematics of Flow and Ideal Flow 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 Kinematics of Flow and Ideal Flow mcq questions that explore various aspects of Kinematics of Flow and Ideal Flow problems. Each MCQ is crafted to challenge your understanding of Kinematics of Flow and Ideal Flow 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 Kinematics of Flow and Ideal Flow 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 Kinematics of Flow and Ideal Flow. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Kinematics of Flow and Ideal Flow MCQs | Page 6 of 10

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Q51.
The continuity equation is only applicable to incompressible fluid.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q52.
For incompressible fluid flow, if area reduces then what is the effect on the velocity.

a.

increases

b.

decreases

c.

first increases then decreases

d.

first decreases then increases

Discuss
Answer: (a).increases
Q53.
For compressible fluid flow in a pipe, having decrease in specific gravity what will be the effect of decrease in diameter?

a.

It will cause increase in velocity

b.

It will cause decrease in velocity

c.

It remains constant

d.

None of the mentioned

Discuss
Answer: (a).It will cause increase in velocity
Q54.
What is the most common assumption while dealing with fluid flow problems using continuity equation?

a.

Flow is assumed to be compressible

b.

Flow is assumed to be unsteady

c.

Flow is assumed to be steady

d.

Flow is assumed to be turbulent

Discuss
Answer: (c).Flow is assumed to be steady
Q55.
The diameters of a pipe at the sections 1 and 2 are 8 cm and 13 cm respectively. Find the discharge through pipe if the velocity of water flowing through the pipe at section 1 is 6 m/s. Determine also the velocity at section 2.

a.

2.27 m/s

b.

4.54 m/s

c.

1.13 m/s

d.

3.25 m/s

Discuss
Answer: (a).2.27 m/s
Q56.
The continuity equation can only be used for analysis of conserved quantity.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q57.
The diameter of a pipe at the section 1 is 9 cm. If the velocity of water flowing through the pipe at section 1 is 4.8 m/s and section 2 is 9 m/s, Determine the area at section 2.

a.

33.93 m²

b.

67.86 m²

c.

16.96 m²

d.

38.66 m²

Discuss
Answer: (a).33.93 m²
Q58.
For a flow to be physically possible it must primarily satisfy which equation?

a.

Equation of conservation of energy

b.

Equation of conservation of mass or continuity equation

c.

Equation of conservation of momentum

d.

None of the mentioned

Discuss
Answer: (a).Equation of conservation of energy
Q59.
Continuity equation can also be derived for polar coordinate system

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q60.
The velocity vector in a fluid is given V=5x⁴+3y²+2z( in metre/sec). What is the acceleration of it at point (1,3,4) ?

a.

40 m/s²

b.

20 m/s²

c.

60 m/s²

d.

80 m/s²

Discuss
Answer: (a).40 m/s²
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