Refrigeration and Air Conditioning The lowest thermal diffusivity is of Iron Lead Aluminium Rubber Iron Lead Aluminium Rubber ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator Reduces power consumption Improves C.O.P. of the system Increases heat transfer Increases power consumption Reduces power consumption Improves C.O.P. of the system Increases heat transfer Increases power consumption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is Same More Less More or less depending on ambient conditions Same More Less More or less depending on ambient conditions ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is 0.4 0.6 0.376 0.67 0.4 0.6 0.376 0.67 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the outlet of a refrigerant compressor is called Discharge pressure Back pressure Critical pressure Suction pressure Discharge pressure Back pressure Critical pressure Suction pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning An important characteristic of absorption system of refrigeration is quiet operation noisy operation very little power consumption cooling below 0°C quiet operation noisy operation very little power consumption cooling below 0°C ANSWER DOWNLOAD EXAMIANS APP