Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at

Question: Gradually varying fluid flow is an example of __________ flow.
[A].

non-steady uniform

[B].

non-steady non-uniform

[C].

steady uniform

[D].

steady non-uniform

Answer: Option A

Explanation:

No answer description available for this question.

Question: A lubricant 100 times more viscous than water would have a viscosity (in Pa.s)
[A].

0.01

[B].

0.1

[C].

1

[D].

10

Answer: Option B

Explanation:

No answer description available for this question.

Question: In case of laminar flow of fluid through a circular pipe, the
[A].

shear stress over the cross-section is proportional to the distance from the surface of the pipe.

[B].

surface of velocity distribution is a paraboloid of revolution, whose volume equals half the volume of circumscribing cylinder.

[C].

velocity profile varies hyperbolically and the shear stress remains constant over the cross-section.

[D].

average flow occurs at a radial distance of 0.5 r from the centre of the pipe (r = pipe radius).

Answer: Option B

Explanation:

No answer description available for this question.