Moisture in freon refrigeration system causes________________?

Question: A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be
[A].

lack of cooling water

[B].

water temperature being high

[C].

dirty condenser surface

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.

Question: A designer chooses the values of fluid flow rates and specific heats in such a manner that the heat capacities of the two fluids are equal. A hot fluid enters the counter flow heat exchanger at 100° C and leaves at 60° C. A cold fluid enters the heat exchanger at 40° C. The mean temperature difference between the two fluids is
[A].

20°C

[B].

40°C

[C].

60°C

[D].

66.7°C

Answer: Option A

Explanation:

No answer description available for this question.

Question: In a parallel flow heat exchanger, the rate of flow of heat and the rate of decrease of temperature are maximum.
[A].

Yes

[B].

No

Answer: Option A

Explanation:

No answer description available for this question.

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.

Question: A boot-strap air cooling system has
[A].

one heat exchanger

[B].

two heat exchangers

[C].

three heat exchangers

[D].

four heat exchangers

Answer: Option B

Explanation:

No answer description available for this question.