Refrigeration and Air Conditioning

Question: During adiabatic saturation process on unsaturated air __________ remains constant.
[A].

relative humidity

[B].

dew point temperature

[C].

dry bulb temperature

[D].

wet bulb temperature

Answer: Option D

Explanation:

No answer description available for this question.

Question: During heating and humidification, the final relative humidity of air
[A].

is higher than that of the entering air

[B].

is lower than that of the entering air

[C].

can be lower or higher than that of the entering air

[D].

none of the above

Answer: Option C

Explanation:

No answer description available for this question.

Question: During heating and dehumidification process, dry bulb temperature
[A].

remains constant

[B].

increases

[C].

decreases

Answer: Option B

Explanation:

No answer description available for this question.

Question: During cooling and dehumidification, dry bulb temperature
[A].

remains constant

[B].

increases

[C].

decreases

Answer: Option C

Explanation:

No answer description available for this question.

Question: In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be
[A].

0.3

[B].

0.6

[C].

0.67

[D].

1.5

Answer: Option B

Explanation:

No answer description available for this question.

Question: During dehumidification process, the relative humidity
[A].

remains constant

[B].

increases

[C].

decreases

Answer: Option C

Explanation:

No answer description available for this question.

Question: During dehumidification process, __________ remains constant.
[A].

wet bulb temperature

[B].

relative humidity

[C].

dry bulb temperature

[D].

specific humidity

Answer: Option C

Explanation:

No answer description available for this question.

Question: During humidification process, __________ increases.
[A].

wet bulb temperature

[B].

relative humidity

[C].

dry bulb temperature

[D].

specific humidity

Answer: Option B

Explanation:

No answer description available for this question.

Question: During humidification process, dry bulb temperature
[A].

remains constant

[B].

increases

[C].

decreases

Answer: Option A

Explanation:

No answer description available for this question.

Question: The by-pass factor of a cooling coil decreases with
[A].

decrease in fin spacing and increase in number of rows

[B].

increase in fin spacing and increase in number of rows

[C].

increase in fin spacing and decrease in number of rows

[D].

decrease in fin spacing and decrease in number of rows

Answer: Option A

Explanation:

No answer description available for this question.