Refrigeration and Air Conditioning The specific humidity during humidification process None of these Increases Decreases Remains constant None of these Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the Work done by compressor Enthalpy increase in compressor Heat of compression All of these Work done by compressor Enthalpy increase in compressor Heat of compression All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is High latent heat of vaporisation All of these Low boiling point High critical temperature High latent heat of vaporisation All of these Low boiling point High critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Aqua-ammonia Freon Ammonia Water Aqua-ammonia Freon Ammonia Water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest temperature during the cycle in a vapour compression system occurs after Compression Condensation Evaporation Expansion Compression Condensation Evaporation Expansion ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since These react with plants and cause greenhouse effect These react with water vapour and cause acid rain These react with oxygen and cause its depletion These react with ozone layer These react with plants and cause greenhouse effect These react with water vapour and cause acid rain These react with oxygen and cause its depletion These react with ozone layer ANSWER DOWNLOAD EXAMIANS APP
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