Refrigeration and Air Conditioning In a refrigeration system, the expansion device is connected between the Condenser and receiver Receiver and evaporator Compressor and condenser Evaporator and compressor Condenser and receiver Receiver and evaporator Compressor and condenser Evaporator and compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration operates on Brayton cycle Reversed Carnot cycle Rankine’s cycle Carnot cycle Brayton cycle Reversed Carnot cycle Rankine’s cycle Carnot cycle 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 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 Super-cooling ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents Compression of the refrigerant vapour Evaporation of the refrigerant liquid Condensation of the refrigerant vapour Metering of the refrigerant liquid Compression of the refrigerant vapour Evaporation of the refrigerant liquid Condensation of the refrigerant vapour Metering of the refrigerant liquid ANSWER DOWNLOAD EXAMIANS APP
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 T₁ / (T₂ - T₁) (T₂ - T₁)/T₁ T₂/ (T₂ - T₁) (T₁ - T₂)/T₁ T₁ / (T₂ - T₁) (T₂ - T₁)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Always more than unity Any one of the above Always less than unity Equal to unity Always more than unity Any one of the above Always less than unity Equal to unity ANSWER DOWNLOAD EXAMIANS APP