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/ (T₂ - T₁) T₁ / (T₂ - T₁) (T₂ - T₁)/T₁ (T₁ - T₂)/T₁ T₂/ (T₂ - T₁) T₁ / (T₂ - T₁) (T₂ - T₁)/T₁ (T₁ - T₂)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour compression refrigerator employs the following cycle Reversed Rankine Reversed Carnot Carnot Rankine Reversed Rankine Reversed Carnot Carnot Rankine ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor. Compressor Expansion valve Evaporator Condenser Compressor Expansion valve Evaporator Condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning An important characteristic of absorption system of refrigeration is cooling below 0°C very little power consumption noisy operation quiet operation cooling below 0°C very little power consumption noisy operation quiet operation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called Super-cooling None of the listed here Sub-cooling or under-cooling Normal cooling Super-cooling None of the listed here Sub-cooling or under-cooling Normal cooling ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton refrigeration corresponds to 50 kcal/ min 80 kcal/ hr 50 kcal/ hr 80 kcal/ min 50 kcal/ min 80 kcal/ hr 50 kcal/ hr 80 kcal/ min ANSWER DOWNLOAD EXAMIANS APP