Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Sulphur dioxide R-12 Carbon dioxide Lithium bromide Sulphur dioxide R-12 Carbon dioxide Lithium bromide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A good refrigerant should have High latent heat of vaporisation and low freezing point High operating pressures and low freezing point Low C.O.P. and low freezing point High specific volume and high latent heat of vaporisation High latent heat of vaporisation and low freezing point High operating pressures and low freezing point Low C.O.P. and low freezing point High specific volume and high latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One tonne of refrigeration (1TR) means that the heat removing capacity is 21 kJ/min 620 kJ/min 420 kJ/min 210 kJ/min 21 kJ/min 620 kJ/min 420 kJ/min 210 kJ/min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in winter air-conditioning to warm and humidity the air, is called Dehumidification Heating and humidification Cooling and dehumidification Humidification Dehumidification Heating and humidification Cooling and dehumidification Humidification ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is Reciprocating Screw Centrifugal Rotating Reciprocating Screw Centrifugal Rotating ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Copper Aluminium Brass Steel Copper Aluminium Brass Steel ANSWER DOWNLOAD EXAMIANS APP
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