Low specific speed of a pump implies it is____________________?

Question: A hydraulic press is a device used
[A].

to store pressure energy which may be supplied to a machine later on

[B].

to increase the intensity of pressure of water by means of energy available from a large quantity of water at a low pressure

[C].

to lift larger load by the application of a comparatively much smaller force

[D].

all of the above

Answer: Option C

Explanation:

No answer description available for this question.

Question: A hydraulic ram is a device used to
[A].

store the energy of water

[B].

increase the pressure of water

[C].

to lift water from deep wells

[D].

to lift small quantity of water to a greater height when a large quantity of water is available at a smaller height

Answer: Option D

Explanation:

No answer description available for this question.

Question: If the Francis turbine is run below 50 percent head for a long period, it will not only lose its efficiency but also the cavitation danger will become more serious.
[A].

Agree

[B].

Disagree

Answer: Option A

Explanation:

No answer description available for this question.

Question: A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the
[A].

kinetic head

[B].

velocity head

[C].

manometric head

[D].

static head

Answer: Option C

Explanation:

No answer description available for this question.

Question: The cavitation in a hydraulic machine is mainly due to
[A].

low velocity

[B].

high velocity

[C].

low pressure

[D].

high pressure

Answer: Option C

Explanation:

No answer description available for this question.

Question: In a reciprocating pump, air vessels are fitted to the suction pipe and delivery pipe close to the cylinder of the pump.
[A].

True

[B].

False

Answer: Option A

Explanation:

No answer description available for this question.