Refrigeration and Air Conditioning At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant depends on other factors decreases remains same increases depends on other factors decreases remains same increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During heating and humidification, the final relative humidity of air Is higher than that of the entering air None of the listed here Can be lower or higher than that of the entering air Is lower than that of the entering air Is higher than that of the entering air None of the listed here Can be lower or higher than that of the entering air Is lower than that of the entering air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning R-12 is generally preferred over R-22 in deep freezers since 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 All of these It has low operating pressures It is miscible with oil over large range of temperatures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is More Same Less More or less depending on ambient conditions More Same Less More or less depending on ambient conditions ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The curved lines on a psychrometric chart indicates Dry bulb temperature Wet bulb temperature Relative humidity Dew point temperature Dry bulb temperature Wet bulb temperature Relative humidity Dew point temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 5°C 20°C 10°C 15°C 5°C 20°C 10°C 15°C ANSWER DOWNLOAD EXAMIANS APP
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