The boundary layer thickness in turbulent flow varies as______________?

Question: A centrifugal pump designed to pump water is employed to pump a more viscous oil. In the later case, the pump
[A].

develops a lower head.

[B].

capacity is reduced.

[C].

requires more power.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Question: For water, when the pressure increases, the viscosity
[A].

also increases

[B].

decreases

[C].

remains constant

[D].

first decreases, and then increases

Answer: Option D

Explanation:

No answer description available for this question.

Question: Normal depth in open channel flow is the depth of flow in the channel
[A].

corresponding to uniform flow.

[B].

measured normal to the channel bed.

[C].

corresponding to steady flow.

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Question: For the production of very high vacuum, a __________ pump is normally used.
[A].

diffusion

[B].

centrifugal

[C].

jet ejector

[D].

piston

Answer: Option A

Explanation:

No answer description available for this question.