Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 10°C 5°C 20°C 15°C 10°C 5°C 20°C 15°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into None of these High pressure liquid refrigerant Low pressure liquid and vapour refrigerant Low pressure vapour refrigerant None of these High pressure liquid refrigerant Low pressure liquid and vapour refrigerant Low pressure vapour refrigerant 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 0.6 1.5 0.3 0.67 0.6 1.5 0.3 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is 3.72 kW 1.86 kW 7.44 kW 18.6 kW 3.72 kW 1.86 kW 7.44 kW 18.6 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle using NH₃ as refrigerant, initial charge is filled at Low pressure side near receiver High pressure side close to receiver Suction of compressor Delivery of compressor Low pressure side near receiver High pressure side close to receiver Suction of compressor Delivery of compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant CO2 Air Freon-22 Freon-11 CO2 Air Freon-22 Freon-11 ANSWER DOWNLOAD EXAMIANS APP