Refrigeration and Air Conditioning Which of the following refrigerant is highly toxic and flammable? Carbon dioxide Sulphur dioxide Ammonia R-12 Carbon dioxide Sulphur dioxide Ammonia R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve operates on the changes in the None of these Degree of superheat at exit from the evaporator Temperature of the evaporator Pressure in the evaporator None of these Degree of superheat at exit from the evaporator Temperature of the evaporator Pressure in the evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into Low pressure vapour refrigerant Low pressure liquid and vapour refrigerant None of these High pressure liquid refrigerant Low pressure vapour refrigerant Low pressure liquid and vapour refrigerant None of these High pressure liquid refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is Ammonia Freon Carbon dioxide Brine Ammonia Freon Carbon dioxide Brine ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be 43833 4 43834 3 43833 4 43834 3 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In which of the following refrigeration system, waste heat can be effectively used? Vapour absorption cycle None of the listed here Air refrigeration cycle Vapour compression cycle Vapour absorption cycle None of the listed here Air refrigeration cycle Vapour compression cycle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS