Piezometer is used to measure_____________________?

Question: In centrifugal pumps, cavitation occurs, when pressure of the impeller eye or vane becomes
[A].

less than atmospheric pressure.

[B].

more than liquid vapor pressure.

[C].

less than liquid vapor pressure.

[D].

more than atmospheric pressure.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Assuming flow to be laminar, if the diameter of the pipe is halved, then the pressure drop will
[A].

increase

[B].

decrease

[C].

remain same

[D].

be quadrupled

Answer: Option A

Explanation:

No answer description available for this question.

Question: Major loss in sudden contraction in pipe flow is due to
[A].

boundary friction.

[B].

flow contraction.

[C].

expansion of flow after sudden contraction.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Fluid flow in a/an __________ is an example of pressure flow.
[A].

partially filled pipeline

[B].

pipe

[C].

open channel

[D].

river.

Answer: Option B

Explanation:

No answer description available for this question.