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 2.33 3.33 1.33 4.33 2.33 3.33 1.33 4.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia is Highly toxic and inflammable Non-toxic Toxic and non-inflammable Non-inflammable Highly toxic and inflammable Non-toxic Toxic and non-inflammable Non-inflammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be 0.6 0.67 0.3 1.5 0.6 0.67 0.3 1.5 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a pressure enthalpy chart, the space to the left of the saturated liquid line represents Superheated vapour region None of the listed here Wet vapour region Sub-cooled liquid region Superheated vapour region None of the listed here Wet vapour region Sub-cooled liquid region ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a refrigeration system, the expansion device is connected between the Evaporator and compressor Receiver and evaporator Compressor and condenser Condenser and receiver Evaporator and compressor Receiver and evaporator Compressor and condenser Condenser and receiver ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant CO2 Freon-22 Air Freon-11 CO2 Freon-22 Air Freon-11 ANSWER DOWNLOAD EXAMIANS APP