Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Halide torch which on detection produces greenish flame lighting Sulphur sticks which on detection gives white smoke Smelling Using reagents Halide torch which on detection produces greenish flame lighting Sulphur sticks which on detection gives white smoke Smelling Using reagents ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle the condition off refrigerant is dry saturated vapour After passing through the condenser After passing through the expansion or throttle valve Before passing through the condenser Before entering the compressor After passing through the condenser After passing through the expansion or throttle valve Before passing through the condenser Before entering the compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is Simple air cooling system Regenerative air cooling system Reduced ambient air cooling system Bootstrap air cooling system Simple air cooling system Regenerative air cooling system Reduced ambient air cooling system Bootstrap air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Constant pressure cooling process Isentropic compression process Constant pressure expansion process Isentropic expansion process Constant pressure cooling process Isentropic compression process Constant pressure expansion process Isentropic expansion process ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Formation of frost on evaporator in refrigerator Increases heat transfer rate Is immaterial Can be avoided by proper design Results in loss of heat due to poor heat transfer Increases heat transfer rate Is immaterial Can be avoided by proper design Results in loss of heat due to poor heat transfer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In mechanical refrigeration system, the refrigerant has the maximum temperature Between compressor and condenser Before expansion valve In evaporator Between condenser and evaporator Between compressor and condenser Before expansion valve In evaporator Between condenser and evaporator ANSWER DOWNLOAD EXAMIANS APP
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