Hydraulics and Fluid Mechanics

Question: A flow whose streamline is represented by a straight line, is called __________ dimensional flow.
[A].

one

[B].

two

[C].

three

[D].

four

Answer: Option A

Explanation:

No answer description available for this question.

Question: All the gases are considered to have compressible flow and all the liquids are considered to have incompressible flow.
[A].

Correct

[B].

Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

Question: A flow in which the volume of a fluid and its density does not change during the flow is called __________ flow.
[A].

incompressible

[B].

compressible

Answer: Option A

Explanation:

No answer description available for this question.

Question: A flow whose streamline is represented by a curve, is called
[A].

one-dimensional flow

[B].

two-dimensional flow

[C].

three-dimensional flow

[D].

four-dimensional flow

Answer: Option B

Explanation:

No answer description available for this question.

Question: A flow through an expanding tube at increasing rate is called unsteady non-uniform flow.
[A].

Yes

[B].

No

Answer: Option A

Explanation:

No answer description available for this question.

Question: A flow through an expanding tube at constant rate is called
[A].

steady uniform flow

[B].

steady non-uniform flow

[C].

unsteady uniform flow

[D].

unsteady non-uniform flow

Answer: Option B

Explanation:

No answer description available for this question.

Question: A flow through a long pipe at decreasing rate is called __________ uniform flow.
[A].

steady

[B].

unsteady

Answer: Option B

Explanation:

No answer description available for this question.

Question: A flow through a long pipe at constant rate is called
[A].

steady uniform flow

[B].

steady non-uniform flow

[C].

unsteady uniform flow

[D].

unsteady non-uniform flow

Answer: Option A

Explanation:

No answer description available for this question.

Question: According to equation of continuity,
[A].

w1a1 = w2a2

[B].

w1v1 = w2v2

[C].

a1v1 = a2v2

[D].

a1/v1 = a2/v2

Answer: Option C

Explanation:

No answer description available for this question.

Question: A flow in which the quantity of liquid flowing per second is not constant, is called
[A].

streamline flow

[B].

turbulent flow

[C].

steady flow

[D].

unsteady flow

Answer: Option D

Explanation:

No answer description available for this question.