Refrigeration and Air Conditioning Most of the domestic refrigerators work on the following refrigeration system Carnot cycle Electrolux refrigerator Vapour compression Vapour absorption Carnot cycle Electrolux refrigerator Vapour compression Vapour absorption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton refrigeration corresponds to 80 kcal/ min 50 kcal/ hr 50 kcal/ min 80 kcal/ hr 80 kcal/ min 50 kcal/ hr 50 kcal/ min 80 kcal/ hr ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of Higher coefficient of performance Low temperature at high altitudes High heat transfer rate Low weight per tonne of refrigeration Higher coefficient of performance Low temperature at high altitudes High heat transfer rate Low weight per tonne of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Brass Copper Steel Aluminium Brass Copper Steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a heat pump working on a reversed Carnot cycle is (T₂ - T₁)/T₁ T₁/(T₂ - T₁) T₂/(T₂ - T₁) (T₁ - T₂)/T₁ (T₂ - T₁)/T₁ T₁/(T₂ - T₁) T₂/(T₂ - T₁) (T₁ - T₂)/T₁ 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 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 ANSWER DOWNLOAD EXAMIANS APP
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