Mechanical Engineering

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.

Question: A flow in which the quantity of liquid flowing per second is constant, is called __________ flow.
[A].

steady

[B].

streamline

[C].

turbulent

[D].

unsteady

Answer: Option A

Explanation:

No answer description available for this question.

Question: A flow in which each liquid particle does not have a definite path and the paths of individual particles also cross each other, is called turbulent flow.
[A].

Agree

[B].

Disagree

Answer: Option A

Explanation:

No answer description available for this question.

Question: A flow in which each liquid particle has a definite path, and the paths of individual particles do not cross each other, is called
[A].

steady flow

[B].

uniform flow

[C].

streamline flow

[D].

turbulent flow

Answer: Option C

Explanation:

No answer description available for this question.

Question: If an incompressible liquid is continuously flowing through a pipe, the quantity of liquid passing per second is different at different sections.
[A].

True

[B].

False

Answer: Option B

Explanation:

No answer description available for this question.

Question: One litre of water occupies a volume of
[A].

100 cm3

[B].

250 cm3

[C].

500 cm3

[D].

1000 cm3

Answer: Option D

Explanation:

No answer description available for this question.

Question: One cubic metre of water weighs
[A].

100 litres

[B].

250 litres

[C].

500 litres

[D].

1000 litres

Answer: Option D

Explanation:

No answer description available for this question.

Question: A submerged body is said to be in a stable equilibrium, if its centre of gravity __________ the centre of buoyancy.
[A].

coincides with

[B].

lies below

[C].

lies above

Answer: Option B

Explanation:

No answer description available for this question.

Question: A body floating in a liquid is said to be not in equilibrium if its metacentre lies below its centre of gravity.
[A].

Agree

[B].

Disagree

Answer: Option A

Explanation:

No answer description available for this question.

Question: A body floating in a liquid is said to be in a stable equilibrium, if its metacentre coincides with its centre of gravity.
[A].

True

[B].

False

Answer: Option B

Explanation:

No answer description available for this question.