Refrigeration and Air Conditioning The Freon group of refrigerants are Inorganic refrigerants Hydrocarbon refrigerants Zoetrope refrigerants Halocarbon refrigerants Inorganic refrigerants Hydrocarbon refrigerants Zoetrope refrigerants Halocarbon refrigerants ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is High critical temperature All of these High latent heat of vaporisation Low boiling point High critical temperature All of these High latent heat of vaporisation Low boiling point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigeration system Requires little power consumption Cools below 0°C Gives noisy operation Gives quiet operation Requires little power consumption Cools below 0°C Gives noisy operation Gives quiet operation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about 1 5.12 2.15 1.25 1 5.12 2.15 1.25 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A one tonne refrigerating machine means that One tonne of ice when melts from and at 0° C in 24 hours, the refrigeration effect is equivalent to 210 kJ/min One tonne is the total mass of machine One tonne of water can be converted into ice One tonne refrigerant is used One tonne of ice when melts from and at 0° C in 24 hours, the refrigeration effect is equivalent to 210 kJ/min One tonne is the total mass of machine One tonne of water can be converted into ice One tonne refrigerant is used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most of the domestic refrigerators work on the following refrigeration system Carnot cycle Electrolux refrigerator Vapour absorption Vapour compression Carnot cycle Electrolux refrigerator Vapour absorption Vapour compression ANSWER DOWNLOAD EXAMIANS APP
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