Refrigeration and Air Conditioning In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is Reversed Carnot cycle Reversed Otto cycle Reversed Joule cycle Reversed Brayton cycle Reversed Carnot cycle Reversed Otto cycle Reversed Joule cycle Reversed Brayton cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be Lack of cooling water Dirty condenser surface All of these Water temperature being high Lack of cooling water Dirty condenser surface All of these Water temperature being high ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ________ is 10.5°C. Carbon dioxide Ammonia R-12 Sulphur dioxide Carbon dioxide Ammonia R-12 Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during cooling and dehumidification Decreases None of these Remains constant Increases Decreases None of these Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The power per tonne of refrigeration is 3.5 × C.O.P. O.P/3.5 None of these 3.5/C.O.P. 3.5 × C.O.P. O.P/3.5 None of these 3.5/C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by Absorber, generator and liquid pump Liquid pump Absorber and generator Generator Absorber, generator and liquid pump Liquid pump Absorber and generator Generator ANSWER DOWNLOAD EXAMIANS APP