Refrigeration and Air Conditioning Which of the following refrigerant has the highest freezing point. R-12 Carbon dioxide Sulphur dioxide Ammonia R-12 Carbon dioxide Sulphur dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of R-12 is -86.6°C -95.2°C -135.8°C -107.7°C -86.6°C -95.2°C -135.8°C -107.7°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 5 6 1.2 0.2 5 6 1.2 0.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most air cooled condensers are designed to operate with a temperature difference of 8°C 22°C 5°C 14°C 8°C 22°C 5°C 14°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The humidity ratio or specific humidity is the mass of water vapour present in 1 kg of dry air 1 kg of wet air 1 m3 of dry air 1 m3 of wet air 1 kg of dry air 1 kg of wet air 1 m3 of dry air 1 m3 of wet air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is Less More More or less depending on ambient conditions Same Less More More or less depending on ambient conditions Same ANSWER DOWNLOAD EXAMIANS APP
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