Refrigeration And Air Conditioning - Study Mode

[#181] The humidity ratio or specific humidity is the mass of water vapour present in
Correct Answer

(D) 1 kg of dry air

Explanation

Solution: The humidity ratio of moist air can be expressed with: • The mass of water vapor in the humid air - to the mass of dry air • The partial pressure of vapor in the air - to the partial pressure of the dry air

[#182] The reciprocating refrigerant compressors are very suitable for
Correct Answer

(C) Small displacements and high condensing pressures

Explanation

Solution: The reciprocating refrigerant compressors are very suitable for Small displacements and high condensing pressures

[#183] The condition of refrigerant as it leaves the compressor in a vapour compression system is
Correct Answer

(D) Superheated vapour

Explanation

Solution: The condition of refrigerant as it leaves the compressor in a vapour compression system is Superheated vapour

[#184] The temperature of ammonia after compression in a vapour compression system is
Correct Answer

(C) 70 to 110°C

Explanation

Solution: The temperature of ammonia after compression in a vapour compression system is 70 to 110°C

[#185] In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to
Correct Answer

(A) Collect liquid refrigerant and prevent it from going to compressor

Explanation

Solution: In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to Collect liquid refrigerant and prevent it from going to compressor