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!

So, are you ready to put your Kinematics of Flow and Ideal Flow knowledge to the test? Let's get started with our carefully curated MCQs!

Kinematics of Flow and Ideal Flow MCQs | Page 3 of 10

Discover more Topics under Fluid Mechanics

Q21.
Which of the following is correct?

a.

There will be no flow across the streamtube

b.

There will be no flow along the streamtube

c.

There will be no flow both across the streamtube and along it

d.

There will be flow both across the streamtube and along it

Discuss
Answer: (a).There will be no flow across the streamtube
Q22.
If a liquid enters a pipe of diameter d with a velocity v, what will it’s velocity at the exit if the diameter reduces to 0.5d?

a.

v

b.

0.5v

c.

2v

d.

4v

Discuss
Answer: (d).4v
Q23.
The continuity equation is based on the principle of

a.

conservation of mass

b.

conservation of momentum

c.

conservation of energy

d.

conservation of force

Discuss
Answer: (a).conservation of mass
Q24.
Two pipes of diameters d1 and d2 converge to form a pipe of diameter d. If the liquid flows with a velocity of v1 and v2 in the two pipes, what will be the flow velocity in the third pipe?

a.

\(\frac{d_1v_1+d_2v_2}{d}\)

b.

\(\frac{d^2(v_1+v_2)}{d}\)

c.

\(\frac{(d_1+d_2)^2(v_1+v_2)}{d^2}\)

d.

\(\frac{d_1^2 v_1 + d_2^2 v_2}{d^2}\)

Discuss
Answer: (d).\(\frac{d_1^2 v_1 + d_2^2 v_2}{d^2}\)
Q25.
Two pipes of diameters d1 and d2 converge to form a pipe of diameter 2d. If the liquid flows with a velocity of v1 and v2 in the two pipes, what will be the flow velocity in the third pipe?

a.

v1 + v2

b.

v1 + v2/2

c.

v1 + v2/4

d.

2(v1 + v2)

Discuss
Answer: (c).v1 + v2/4
Q26.
Two pipes, each of diameter d, converge to form a pipe of diameter D. What should be the relation between d and D such that the flow velocity in the third pipe becomes double of that in each of the two pipes?

a.

D = d

b.

D = 2d

c.

D = 3d

d.

D = 4d

Discuss
Answer: (a).D = d
Q27.
Two pipes, each of diameter d, converge to form a pipe of diameter D. What should be the relation between d and D such that the flow velocity in the third pipe becomes half of that in each of the two pipes?

a.

D = d/2

b.

D = d/3

c.

D = d/4

d.

D = d/5

Discuss
Answer: (a).D = d/2
Q28.
In a two dimensional flow, the component of the velocity along the X-axis is u = ax² + bxy + cy².
If v = 0 at y = 0, what will be the velocity component in the Y-direction?

a.

v = 2axy + by²

b.

v = 2axy + b ⁄ 2 y²

c.

v = -2axy – b ⁄ 2 y²

d.

v = -axy – b ⁄ 2 y²

Discuss
Answer: (c).v = -2axy – b ⁄ 2 y²
Q29.
In a two dimensional flow, the component of the velocity along the X-axis and the Y-axis are u = ax² + bxy + cy² and v = cxy. What should be the condition for the flow field to be continuous?

a.

a + c = 0

b.

b + c = 0

c.

2a + c = 0

d.

2b + c = 0

Discuss
Answer: (c).2a + c = 0
Q30.
In a two dimensional flow, the component of the velocity along the X-axis and the Y-axis are u = axy and v = bx² + cy². What should be the condition for the flow field to be continuous?

a.

a + b = 0

b.

a + c = 0

c.

a + 2b = 0

d.

a + 2c = 0

Discuss
Answer: (d).a + 2c = 0
Page 3 of 10