The flow in which each liquid particle has a definite path and their paths do not cross each other is called__________________?

Question: Nominal Pipe Size (NPS) of a pipe less than 12 inches in diameter indicates its
[A].

inner diameter

[B].

outer diameter

[C].

thickness

[D].

neither inner nor outer diameter

Answer: Option D

Explanation:

No answer description available for this question.

Question: Boundary layer separation is caused by the
[A].

reduction of pressure to vapour pressure.

[B].

boundary layer thickness reducing to zero.

[C].

adverse pressure gradient.

[D].

reduction of pressure gradient to zero.

Answer: Option C

Explanation:

No answer description available for this question.

Question: For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance).
[A].

V/Vmax = (x/r)1/7

[B].

V/Vmax = (r/x)1/7

[C].

V/Vmax = (x.r)1/7

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: At high Reynolds number
[A].

inertial forces control and viscous forces are unimportant.

[B].

viscous forces predominate.

[C].

inertial forces are unimportant and viscous forces control.

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Question: __________ flow means the flow of incompressible fluid with no shear.
[A].

Potential

[B].

Streamline

[C].

Creep

[D].

Boundary layer

Answer: Option A

Explanation:

No answer description available for this question.