Refrigeration And Air Conditioning - Study Mode

[#141] The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called
Correct Answer

(B) Relative humidity

Explanation

Solution: The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called Relative humidity

[#142] The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called
Correct Answer

(D) Degree of saturation

Explanation

Solution: The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called Degree of saturation

[#143] The capillary tube, as an expansion device, is used in
Correct Answer

(D) All of these

Explanation

Solution: The capillary tube, as an expansion device, is used in - Domestic refrigerators - Water coolers - Room air conditioners

[#144] Condensing temperature in a refrigerator is the temperature
Correct Answer

(D) At which refrigerant gas becomes liquid

Explanation

Solution: Condensing temperature in a refrigerator is the temperature At which refrigerant gas becomes liquid

[#145] In aircraft, air refrigeration Cycle is used because of
Correct Answer

(A) Low weight per tonne of refrigeration

Explanation

Solution: In aircraft, air refrigeration Cycle is used because of Low weight per tonne of refrigeration