Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Isentropic expansion process Constant pressure cooling process Constant pressure expansion process Isentropic compression process Isentropic expansion process Constant pressure cooling process Constant pressure expansion process Isentropic compression process ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the highest freezing point. Sulphur dioxide Ammonia Carbon dioxide R-12 Sulphur dioxide Ammonia Carbon dioxide R-12 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 Freon Ammonia Carbon dioxide Brine Freon Ammonia Carbon dioxide Brine ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant is dry saturated vapour Before entering the condenser Before entering the compressor After leaving the condenser After leaving the compressor Before entering the condenser Before entering the compressor After leaving the condenser After leaving the compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest thermal diffusivity is of Iron Rubber Aluminium Lead Iron Rubber Aluminium Lead ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of sulphur dioxide is -135.8°C -75.2°C -77.7°C -56.6°C -135.8°C -75.2°C -77.7°C -56.6°C ANSWER DOWNLOAD EXAMIANS APP