Refrigeration and Air Conditioning When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be Positive None of the listed here Zero Negative Positive None of the listed here Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration cycle is used in Air conditioning Gas liquefaction Domestic refrigerators Commercial refrigerators Air conditioning Gas liquefaction Domestic refrigerators Commercial refrigerators ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The power per tonne of refrigeration is 3.5/C.O.P. O.P/3.5 None of these 3.5 × C.O.P. 3.5/C.O.P. O.P/3.5 None of these 3.5 × C.O.P. 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 100 kJ/kg 125 kJ/kg 25 kJ/kg 50 kJ/kg 100 kJ/kg 125 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Accumulators should have adequate volume to store refrigerant charge at least 0.5 0.1 0.25 0.75 0.5 0.1 0.25 0.75 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Rating of a domestic refrigerator is of the order of 0.1 ton 5 tons 10 tons 40 tons 0.1 ton 5 tons 10 tons 40 tons ANSWER DOWNLOAD EXAMIANS APP