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 4 of 10

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Q31.
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
Q32.
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
Q33.
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
Q34.
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
Q35.
In a two dimensional flow, the component of the velocity along the X-axis and the Y-axis are u = ax² + bxy and v = cxy +dy². What should be the condition for the flow field to be continuous?

a.

(a + b)x + (c + d)y = 0

b.

(a + c)x + (b + d)y = 0

c.

(2a + b)x + (c + 2d)y = 0

d.

(2a + c)x + (b + 2d)y = 0

Discuss
Answer: (d).(2a + c)x + (b + 2d)y = 0
Q36.
In a two dimensional flow, the component of the velocity along the X-axis and the Y-axis are u = ax² + bxy and v = bxy + ay². The condition for the flow field to be continuous is

a.

independent of the constants (a; b) but dependent on the variables (x; y)

b.

independent of the variables (x; y) but dependent on the constants (a; b)

c.

independent of both the constants (a; b) and the variables (x; y)

d.

dependent on both the constants (a; b) and the variables (x; y)

Discuss
Answer: (a).independent of the constants (a; b) but dependent on the variables (x; y)
Q37.
In a two dimensional flow, the component of the velocity along the X-axis and the Y-axis are u = ax + by and v = ax – by. For what condition will the flow field be continuous?

a.

impossible

b.

possible if a = b

c.

possible if a = 2b

d.

possible for all values of a and b

Discuss
Answer: (d).possible for all values of a and b
Q38.
In a two dimensional flow, the component of the velocity along the X-axis and the Y-axis are u = ay² + bxy and v = ax² + bxy. The flow will be continuous if

a.

a + b = 0

b.

a – b = 0

c.

x + y = 0

d.

x – y = 0

Discuss
Answer: (c).x + y = 0
Q39.
In a two dimensional flow, the component of the velocity along the X-axis and the Y-axis are u = ax² + bxy and v = bxy + ay². The condition for the flow field to be continuous is

a.

independent of a and b

b.

independent of a and c

c.

independent of b and c

d.

independent of a, b and c

Discuss
Answer: (d).independent of a, b and c
Q40.
In which method of fluid flow analysis do we describe the motion parameters at a point?

a.

Langragian method

b.

Eulerian Method

c.

Control volume analysis

d.

None of the mentioned

Discuss
Answer: (b).Eulerian Method
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