A vapour absorption refrigerator uses __________ as a refrigerant.

Byadmin September 14, 2022

Question: A vapour absorption refrigerator uses __________ as a refrigerant.
[A].

water

[B].

ammonia

[C].

freon

[D].

aqua-ammonia

Answer: Option D

Explanation:

No answer description available for this question.

Ic Engines And Nuclear Power Plants | Mechanical Engineering

In a petrol engine, if diesel is used, then the engine will

Question: In a petrol engine, if diesel is used, then the engine will
[A].

not run
[B].
run more efficiently
[C].
run at high speed
[D].
explode

Answer: Option A

Explanation:

No answer description available for this question.

Read More In a petrol engine, if diesel is used, then the engine will
Hydraulics and Fluid Mechanics | Mechanical Engineering

In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.

Question: In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.
[A].

equal to
[B].
one-fourth
[C].
one-third
[D].
one-half

Answer: Option B

Explanation:

No answer description available for this question.

Read More In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.
Hydraulic Machines | Mechanical Engineering

Discharge of a centrifugal pump is

Question: Discharge of a centrifugal pump is
[A].

directly proportional to diameter of its impeller
[B].
inversely proportional to diameter of its impeller
[C].
directly proportional to (diameter)2 of its impeller
[D].
inversely proportional to (diameter)2 of its impeller

Answer: Option C

Explanation:

Discharge of a centrifugal pump is directly proportional to (Diameter)^2 of its impeller.

Head of a centrifugal pump is directly proportional to (Diameter)^2 of its impeller.

Power Developed of a centrifugal pump is directly proportional to (Diameter)^4 of its impeller.

Read More Discharge of a centrifugal pump is
CHEMICAL ENGINEERING | Heat Transfer

The advantage of backward feed multiple effect evaporators over forward feed units is that

Question: The advantage of backward feed multiple effect evaporators over forward feed units is that
[A].

heat sensitive material can be handled.
[B].
there is no additional cost of pumping.
[C].
most concentrated liquid is at highest temperature.
[D].
equal heat transfer co-efficients exist in various effects.

Answer: Option C

Explanation:

No answer description available for this question.

Read More The advantage of backward feed multiple effect evaporators over forward feed units is that
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In a reversed Brayton cycle, the heat is absorbed by the air during

Question: In a reversed Brayton cycle, the heat is absorbed by the air during
[A].

isentropic compression process
[B].
constant pressure cooling process
[C].
isentropic expansion process
[D].
constant pressure expansion process

Answer: Option D

Explanation:

No answer description available for this question.

Read More In a reversed Brayton cycle, the heat is absorbed by the air during
Hydraulics and Fluid Mechanics | Mechanical Engineering

In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.

Question: In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.
[A].

less than
[B].
more than

Answer: Option A

Explanation:

No answer description available for this question.

Read More In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.

Similar Posts