Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the Work done by compressor All of these Heat of compression Enthalpy increase in compressor Work done by compressor All of these Heat of compression Enthalpy increase in compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The curved lines on a psychrometric chart indicates Dry bulb temperature Dew point temperature Relative humidity Wet bulb temperature Dry bulb temperature Dew point temperature Relative humidity Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in winter air-conditioning to warm and humidity the air, is called Cooling and dehumidification Heating and humidification Humidification Dehumidification Cooling and dehumidification Heating and humidification Humidification Dehumidification ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be 3 kW 1 kW 2 kW 4 kW 3 kW 1 kW 2 kW 4 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is High critical temperature Low boiling point High latent heat of vaporisation All of these High critical temperature Low boiling point High latent heat of vaporisation All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle using NH₃ as refrigerant, initial charge is filled at Delivery of compressor 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 ANSWER DOWNLOAD EXAMIANS APP