Refrigeration and Air Conditioning The humidity ratio or specific humidity is the mass of water vapour present in 1 m3 of wet air 1 kg of wet air 1 kg of dry air 1 m3 of dry air 1 m3 of wet air 1 kg of wet air 1 kg of dry air 1 m3 of dry air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into Low pressure liquid and vapour refrigerant High pressure liquid refrigerant Low pressure vapour refrigerant None of these Low pressure liquid and vapour refrigerant High pressure liquid refrigerant Low pressure vapour refrigerant None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called Dry air Saturated air Moist air Specific humidity Dry air Saturated air Moist air Specific humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 50 to 70°C 70 to 110°C None of these 20 to 50°C 50 to 70°C 70 to 110°C None of these 20 to 50°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is All of these Low boiling point High latent heat of vaporisation High critical temperature All of these Low boiling point High latent heat of vaporisation High critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant is highly toxic and flammable? Sulphur dioxide Carbon dioxide Ammonia R-12 Sulphur dioxide Carbon dioxide Ammonia R-12 ANSWER DOWNLOAD EXAMIANS APP
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