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 Brine Carbon dioxide Ammonia Freon Brine Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid Before passing through the condenser After passing through the expansion or throttle valve Before entering the expansion valve After passing through the condenser Before passing through the condenser After passing through the expansion or throttle valve Before entering the expansion valve After passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Where does the lowest temperature occur in a vapour compression cycle? Evaporator Expansion valve Compressor Condenser Evaporator Expansion valve Compressor Condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest thermal diffusivity is of Aluminium Iron Rubber Lead Aluminium Iron Rubber Lead ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Hydrogen is used in Electrolux refrigeration system so as to _________ the rate of evaporation of the liquid ammonia passing through the evaporator. None of these Increase Reduce Equalize None of these Increase Reduce Equalize ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Isentropic expansion process Isentropic compression process Constant pressure cooling process Constant pressure expansion process Isentropic expansion process Isentropic compression process Constant pressure cooling process Constant pressure expansion process ANSWER DOWNLOAD EXAMIANS APP
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