Refrigeration and Air Conditioning The leakage in a refrigeration system using ammonia is detected by Soap and water Sulphur sticks Halide torch All of these Soap and water Sulphur sticks Halide torch All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is equal to (Actual C.O.P.) /(Theoretical C.O.P.) None of these (Theoretical C.O.P.)/ (Actual C.O.P.) (Actual C.O.P.) × (Theoretical C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) None of these (Theoretical C.O.P.)/ (Actual C.O.P.) (Actual C.O.P.) × (Theoretical C.O.P.) 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 0.67 1.5 0.3 0.6 0.67 1.5 0.3 0.6 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the wrong statement. A refrigerant should have Tow specific heat of liquid High latent heat of vaporisation High boiling point Higher critical temperature Tow specific heat of liquid High latent heat of vaporisation High boiling point Higher critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant supplied to a compressor must be Superheated vapour refrigerant Dry saturated liquid refrigerant None of these A mixture of liquid and vapour refrigerant Superheated vapour refrigerant Dry saturated liquid refrigerant None of these A mixture of liquid and vapour refrigerant ANSWER DOWNLOAD EXAMIANS APP
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 Negative None of the listed here Positive Zero Negative None of the listed here Positive Zero ANSWER DOWNLOAD EXAMIANS APP