Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 20°C 15°C 10°C 5°C 20°C 15°C 10°C 5°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the highest freezing point. Ammonia R-12 Sulphur dioxide Carbon dioxide Ammonia R-12 Sulphur dioxide Carbon dioxide 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 If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be 6 0.2 1.2 5 6 0.2 1.2 5 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning R-12 is generally preferred over R-22 in deep freezers since All of these It has low operating pressures It is miscible with oil over large range of temperatures It gives higher coefficient of performance All of these It has low operating pressures It is miscible with oil over large range of temperatures It gives higher coefficient of performance ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube is not used in large capacity refrigeration systems because Capacity control is not possible It is made of copper Cost is too high Required pressure drop cannot be achieved Capacity control is not possible It is made of copper Cost is too high Required pressure drop cannot be achieved ANSWER DOWNLOAD EXAMIANS APP
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