Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 1.33 4.33 2.33 3.33 1.33 4.33 2.33 3.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is Reduced ambient air cooling system Regenerative air cooling system Bootstrap air cooling system Simple air cooling system Reduced ambient air cooling system Regenerative air cooling system Bootstrap air cooling system Simple air cooling system 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 Dew point temperature None of these Dry bulb temperature Wet bulb temperature Dew point temperature None of these Dry bulb temperature Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to Collect liquid refrigerant and prevent it from going to compressor Collect vapours Superheat the vapour Detect liquid in vapour Collect liquid refrigerant and prevent it from going to compressor Collect vapours Superheat the vapour Detect liquid in vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner. Same More Less None of these Same More Less None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression refrigeration system, refrigerant occurs as liquid between Compressor and condenser Condenser and expansion valve Expansion valve and evaporator Compressor and evaporator Compressor and condenser Condenser and expansion valve Expansion valve and evaporator Compressor and evaporator ANSWER DOWNLOAD EXAMIANS APP
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