Specific weight of water in S.I. units is equal to ________________?

Question: Manometers measure the __________ pressure.
[A].

vacuum as well as the atmospheric

[B].

difference in

[C].

absolute

[D].

gage

Answer: Option B

Explanation:

No answer description available for this question.

Question: Cavitation occurs in a centrifugal pump when the suction pressure is
[A].

less than the vapour pressure of the liquid at that temperature.

[B].

greater than the vapour pressure of the liquid at that temperature.

[C].

equal to the vapour pressure.

[D].

equal to the developed head.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Check valves are used
[A].

at high pressure.

[B].

in bends.

[C].

for controlling water flow.

[D].

for unidirectional flow.

Answer: Option D

Explanation:

No answer description available for this question.

Question: Kinetic energy of fluid per unit weight represented by the velocity head is given by
[A].

2v2/gc

[B].

v2/2gc

[C].

ρv2/gc

[D].

ρ.v2/2gc

Answer: Option B

Explanation:

No answer description available for this question.

Question: A differential pressure cell is used for
[A].

measuring small pressure difference in gases.

[B].

measuring small pressure difference in liquids.

[C].

remote recording of pressure difference.

[D].

measuring the difference of the impact & the static pressure.

Answer: Option C

Explanation:

No answer description available for this question.

Question: A gas
[A].

signifies absence of density.

[B].

can resist shearing action.

[C].

is incompressible.

[D].

is a supercritical vapor.

Answer: Option D

Explanation:

No answer description available for this question.