Refrigeration and Air Conditioning The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute temperature, and T₂ = Highest absolute temperature) (T₂ - T₁)/T₁ T₂/ (T₂ - T₁) (T₁ - T₂)/T₁ T₁ / (T₂ - T₁) (T₂ - T₁)/T₁ T₂/ (T₂ - T₁) (T₁ - T₂)/T₁ T₁ / (T₂ - T₁) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton refrigeration corresponds to 50 kcal/ hr 50 kcal/ min 80 kcal/ hr 80 kcal/ min 50 kcal/ hr 50 kcal/ min 80 kcal/ hr 80 kcal/ min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest thermal diffusivity is of Rubber Lead Aluminium Iron Rubber Lead Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 2 bar 15 bar 8 bar 30 bar 2 bar 15 bar 8 bar 30 bar ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to Collect vapours Detect liquid in vapour Collect liquid refrigerant and prevent it from going to compressor Superheat the vapour Collect vapours Detect liquid in vapour Collect liquid refrigerant and prevent it from going to compressor Superheat the vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bank of tubes at the back of domestic refrigerator is Evaporator tubes Capillary tubes Condenser tubes Refrigerant cooling tubes Evaporator tubes Capillary tubes Condenser tubes Refrigerant cooling tubes ANSWER DOWNLOAD EXAMIANS APP