Refrigeration and Air Conditioning In a refrigerating machine, heat rejected is _________ heat absorbed. Less than Greater than None of these Equal to Less than Greater than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Always less than unity Any one of the above Equal to unity Always more than unity Always less than unity Any one of the above Equal to unity Always more than unity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical temperature is the temperature above which A gas will immediately liquefy Water will evaporate A gas will never liquefy Water will never evaporate A gas will immediately liquefy Water will evaporate A gas will never liquefy Water will never evaporate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The condition of refrigerant after passing through the condenser in a vapour compression system is Dry saturated vapour Wet vapour Saturated liquid Superheated vapour Dry saturated vapour Wet vapour Saturated liquid Superheated vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During a refrigeration cycle, heat is rejected by the refrigerant in a Expansion valve Compressor Condenser Evaporator Expansion valve Compressor Condenser Evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250 K. If the temperature at the end of constant pressure cooling is 300 K and rise in the temperature of air in the refrigerator is 50 K, then the net work of compression will be (assume air as working substance with Cp = 1 kJ/kg) 25 kJ/kg 50 kJ/kg 125 kJ/kg 100 kJ/kg 25 kJ/kg 50 kJ/kg 125 kJ/kg 100 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
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