Refrigeration And Air Conditioning - Study Mode

[#166] In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be
Correct Answer

(B) As low as possible (3 to 11°C)

Explanation

Solution: In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be As low as possible (3 to 11°C)

[#167] The minimum temperature to which water can be cooled in a cooling tower is
Correct Answer

(B) Wet bulb temperature of air

Explanation

Solution: The minimum temperature to which water can be cooled in a cooling tower is Wet bulb temperature of air

[#168] The value of C.O.P. in vapour compression cycle is usually
Correct Answer

(B) Always more than unity

Explanation

Solution: The value of C.O.P. in vapour compression cycle is usually always more than unity.

[#169] The specific humidity during cooling and dehumidification
Correct Answer

(C) Decreases

Explanation

Solution: The process in which the moisture or water vapor or the humidity is removed from the air keeping its dry bulb (DB) temperature constant is called as the dehumidification process The specific humidity during cooling and dehumidification Decreases

[#170] The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is
Correct Answer

(A) Bigger

Explanation

Solution: The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is Bigger