Refrigeration and Air Conditioning The leakage in a refrigeration system using Freon is detected by Soap and water All of these Halide torch Sulphur sticks Soap and water All of these Halide torch Sulphur sticks ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since These react with ozone layer These react with oxygen and cause its depletion These react with water vapour and cause acid rain These react with plants and cause greenhouse effect These react with ozone layer These react with oxygen and cause its depletion These react with water vapour and cause acid rain These react with plants and cause greenhouse effect ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by Generator Absorber and generator Absorber, generator and liquid pump Liquid pump Generator Absorber and generator Absorber, generator and liquid pump Liquid pump ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator Improves C.O.P. of the system Increases power consumption Reduces power consumption Increases heat transfer Improves C.O.P. of the system Increases power consumption Reduces power consumption Increases heat transfer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be Any value As low as possible (3 to 11°C) High, of the order of 25° Zero Any value As low as possible (3 to 11°C) High, of the order of 25° Zero ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a pressure enthalpy chart, the space to the left of the saturated liquid line represents Wet vapour region Sub-cooled liquid region Superheated vapour region None of the listed here Wet vapour region Sub-cooled liquid region Superheated vapour region None of the listed here ANSWER DOWNLOAD EXAMIANS APP