Question: Kinematic viscosity is the product of dynamic viscosity and the density of the liquid.
[A].

Yes

[B].

No

Answer: Option B

Explanation:

No answer description available for this question.

Question: A vessel of 4 m3 contains an oil which weighs 30 kN. The specific weight of the oil is
[A].

4.5 kN/m3

[B].

6 kN/m3

[C].

7.5 kN/m3

[D].

10 kN/m3

Answer: Option C

Explanation:

No answer description available for this question.

Question: Euler’s number is the ratio of __________ force to pressure force.
[A].

inertia

[B].

gravity

[C].

viscous

Answer: Option A

Explanation:

No answer description available for this question.

Question: Froude’s number is the ratio of inertia force to
[A].

pressure force

[B].

elastic force

[C].

gravity force

[D].

surface tension force

Answer: Option C

Explanation:

No answer description available for this question.

Question: A point, in a compressible flow where the velocity of fluid is zero, is called
[A].

critical point

[B].

vena contracta

[C].

stagnation point

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Question: A flow is called hyper-sonic, if the Mach number is
[A].

less than unity

[B].

unity

[C].

between 1 and 6

[D].

none of these

Answer: Option D

Explanation:

No answer description available for this question.

Question: A flow is called super-sonic if the
[A].

velocity of flow is very high

[B].

discharge is difficult to measure

[C].

Mach number is between 1and 6

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Question: A flow is called sonic, if the Mach number is unity.
[A].

Agree

[B].

Disagree

Answer: Option A

Explanation:

No answer description available for this question.