Refrigeration and Air Conditioning R-12 is generally preferred over R-22 in deep freezers since All of these It gives higher coefficient of performance It has low operating pressures It is miscible with oil over large range of temperatures All of these It gives higher coefficient of performance It has low operating pressures It is miscible with oil over large range of temperatures 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 Required pressure drop cannot be achieved It is made of copper Cost is too high Capacity control is not possible Required pressure drop cannot be achieved It is made of copper Cost is too high ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle the condition off refrigerant is dry saturated vapour Before passing through the condenser Before entering the compressor After passing through the condenser After passing through the expansion or throttle valve Before passing through the condenser Before entering the compressor After passing through the condenser After passing through the expansion or throttle valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Where does the lowest temperature occur in a vapour compression cycle? Expansion valve Evaporator Condenser Compressor Expansion valve Evaporator Condenser Compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Carbon dioxide is Colourless Non-flammable Odourless All of the listed here Colourless Non-flammable Odourless All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of Heat Pump is always ___ one. Greater than Equal to Less than None of the listed here Greater than Equal to Less than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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