Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of Higher coefficient of performance Low temperature at high altitudes Low weight per tonne of refrigeration High heat transfer rate Higher coefficient of performance Low temperature at high altitudes Low weight per tonne of refrigeration High heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Vapour compression refrigeration is somewhat like None of these Reversed Carnot cycle Carnot cycle None of these Reversed Carnot cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is Smaller/bigger depending on capacity Smaller Bigger Equal Smaller/bigger depending on capacity Smaller Bigger Equal ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant CO2 Air Freon-11 Freon-22 CO2 Air Freon-11 Freon-22 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Superheating in a refrigeration cycle O.P remains unaltered Other factors decide C.O.P Decreases C.O.P Increases C.O.P O.P remains unaltered Other factors decide C.O.P Decreases C.O.P Increases C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Vertical lines on pressure-enthalpy chart show constant Temperature lines Entropy lines Pressure lines Total heat lines Temperature lines Entropy lines Pressure lines Total heat lines ANSWER DOWNLOAD EXAMIANS APP