In vapour compression cycle the condition of refrigerant is superheated vapour _____________________?

Byadmin January 25, 2019August 16, 2021

In vapour compression cycle the condition of refrigerant is superheated vapour _____________________?

A. after passing through the condenser
B. before passing through the condenser
C. after passing through the expansion or throttle valve
D. before [entering the expansion valve
E. before entering the compressor

Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

During sub-cooling, sensible heat from a liquid refrigerant is removed.

Question: During sub-cooling, sensible heat from a liquid refrigerant is removed.
[A].

Yes
[B].
No

Answer: Option A

Explanation:

No answer description available for this question.

Read More During sub-cooling, sensible heat from a liquid refrigerant is removed.
Refrigeration and Air Conditioning

The leaks in a refrigeration system using Freon are detected by____________________?

The leaks in a refrigeration system using Freon are detected by____________________?

A. halide torch which on detection produces greenish flame lighting
B. sulphur sticks which on detection gives white smoke
C. using reagents
D. smelling
E. sensing reduction in pressure

Read More The leaks in a refrigeration system using Freon are detected by____________________?
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

A Bell Coleman refrigerator working on dense air system as compared to open air system, for the same range of temperature, results in higher coefficient of performance.

Question: A Bell Coleman refrigerator working on dense air system as compared to open air system, for the same range of temperature, results in higher coefficient of performance.
[A].

Agree
[B].
Disagree

Answer: Option A

Explanation:

No answer description available for this question.

Read More A Bell Coleman refrigerator working on dense air system as compared to open air system, for the same range of temperature, results in higher coefficient of performance.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference ™ for parallel flow is __________ that for counter flow.

Question: For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference ™ for parallel flow is __________ that for counter flow.
[A].

equal to
[B].
less than
[C].
greater than

Answer: Option A

Explanation:

No answer description available for this question.

Read More For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference ™ for parallel flow is __________ that for counter flow.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

A good refrigerant should have

Question: A good refrigerant should have
[A].

high latent heat of vaporisation and low freezing point
[B].
high operating pressures and low freezing point
[C].
high specific volume and high latent heat of vaporisation
[D].
low C.O.P. and low freezing point

Answer: Option A

Explanation:

No answer description available for this question.

Read More A good refrigerant should have
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

Which of the following refrigerant has the highest freezing point.

Question: Which of the following refrigerant has the highest freezing point.
[A].

Ammonia
[B].
Carbon dioxide
[C].
Sulphur dioxide
[D].
R-12

Answer: Option B

Explanation:

No answer description available for this question.

Read More Which of the following refrigerant has the highest freezing point.

Similar Posts