Which of the following is not a desirable property of a refrigerant_________________?

Question: The by-pass factor, in case of sensible cooling of air, is given by (where td1 = Dry bulb temperature of air entering the cooling coil, td2 = Dry bulb temperature of air leaving the cooling coil, and td3 = Dry bulb temperature of the cooling coil)
[A].

[B].

[C].

[D].

Answer: Option B

Explanation:

No answer description available for this question.

Question: In a shell and tube heat exchanger, baffles are provided on the shell side to
[A].

improve heat transfer

[B].

provide support for tubes

[C].

prevent stagnation of shell side fluid

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.

Question: In electrolux refrigerator
[A].

ammonia is absorbed in hydrogen

[B].

ammonia is absorbed in water

[C].

ammonia evaporates in hydrogen

[D].

hydrogen evaporates in ammonia

Answer: Option C

Explanation:

No answer description available for this question.

Question: During sensible cooling of air, specific humidity
[A].

remains constant

[B].

increases

[C].

decreases

Answer: Option A

Explanation:

No answer description available for this question.

Question: In a lithium bromide absorption refrigeration system
[A].

lithium bromide is used as a refrigerant and water as an absorbent

[B].

water is used as a refrigerant and lithium bromide as an absorbent

[C].

ammonia is used as a refrigerant and lithium bromide as an absorbent

[D].

none of the above

Answer: Option B

Explanation:

No answer description available for this question.