In an immersed body, centre of pressure is __________________?

Question: Deformation drag, which is caused by widespread deformation of fluid around the immersed body
[A].

occurs when NRe is very small.

[B].

is primarily a friction drag.

[C].

is independent of body length.

[D].

depends mainly on cross-sectional shape.

Answer: Option A

Explanation:

No answer description available for this question.

Question: For turbulent flow of newtonion fluid in a circular cross-section pipe, the ratio of maximum to average fluid velocity is
[A].

0.5

[B].

1

[C].

0.66

[D].

< 0.5

Answer: Option B

Explanation:

No answer description available for this question.

Question: Forces acting on a particle settling in fluid are __________ forces.
[A].

gravitational & buoyant.

[B].

centrifugal & drag.

[C].

gravitational or centrifugal buoyant drag.

[D].

external, drag & viscous.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Creeping flow around a sphere is defined, when particle Reynolds number is
[A].

< 2100

[B].

< 0.1

[C].

> 2.5

[D].

< 500

Answer: Option B

Explanation:

No answer description available for this question.

Question: For a fluid rotating at constant angular velocity about vertical axis as a rigid body, the pressure intensity varies as the
[A].

square of the radial distance.

[B].

radial distance linearly.

[C].

inverse of the radial distance.

[D].

elevation along vertical direction.

Answer: Option A

Explanation:

No answer description available for this question.