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.

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

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Q21.
If three sets of streamlines A, B and C are considered across section 1-2, which set will represent accelerated flow from 1 to 2?

a.

A

b.

B

c.

C

d.

None of the sets

Discuss
Answer: (a).A
Q22.
Which of the following is correct?

a.

pathlines are concerned with a number of particles at the same instant and streamlines with a particular particle at successive instants of time

b.

pathlines are concerned with a particular particle at successive instants of time and streamlines with a number of particles at the same instant

c.

both pathlines and streamlines are concerned with a number of particles at the same instant

d.

both pathlines and streamlines are concerned with a particular particle at successive instants of time

Discuss
Answer: (b).pathlines are concerned with a particular particle at successive instants of time and streamlines with a number of particles at the same instant
Q23.
The path taken by the smoke coming out of a chimney (in concentric circles) represents a

a.

pathline

b.

streamline

c.

streakline

d.

streamtube

Discuss
Answer: (c).streakline
Q24.
Which of the following is correct?

a.

In steady flow, pathlines and streamlines are identical

b.

In steady flow, pathlines and streaklines are identical

c.

In steady flow, streaklines and streamlines are identical

d.

In steady flow, pathline, streamlines and streaklines are all identical

Discuss
Answer: (d).In steady flow, pathline, streamlines and streaklines are all identical
Q25.
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
Q26.
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
Q27.
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
Q28.
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).\(\frac{d_1^2 v_1 + d_2^2 v_2}{d^2}\)
Q29.
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
Q30.
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
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