Refrigeration and Air Conditioning The reduced ambient air cooling system has One cooling turbine and one heat exchanger One cooling turbine and two heat exchangers Two cooling turbines and one heat exchanger Two cooling turbines and two heat exchangers One cooling turbine and one heat exchanger One cooling turbine and two heat exchangers Two cooling turbines and one heat exchanger Two cooling turbines and two heat exchangers ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of High heat transfer rate Low weight per tonne of refrigeration Higher coefficient of performance Low temperature at high altitudes High heat transfer rate Low weight per tonne of refrigeration Higher coefficient of performance Low temperature at high altitudes ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ammonia is -30°C -10.5°C -33.3°C -77.7°C -30°C -10.5°C -33.3°C -77.7°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Isentropic compression process 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 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of air recorded by a thermometer, when it is not affected by the moisture present in the air, is called Dry bulb temperature None of these Dew point temperature Wet bulb temperature Dry bulb temperature None of these Dew point temperature Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively Ammonia and lithium bromide Water and lithium bromide Water and water Ammonia and water Ammonia and lithium bromide Water and lithium bromide Water and water Ammonia and water ANSWER DOWNLOAD EXAMIANS APP