Mass Transfer Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? Humidification only Heating only Evaporative cooling Both heating and humidification Humidification only Heating only Evaporative cooling Both heating and humidification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation column, with increase in the reflux ratio, the heat removed in the cooler Increases Remains unaffected Decreases And the heat required in reboiler decreases Increases Remains unaffected Decreases And the heat required in reboiler decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can be speeded up by All of the listed here Increasing the air velocity and area of exposed wet surface Reducing the humidity of the air Reducing the barometric pressure All of the listed here Increasing the air velocity and area of exposed wet surface Reducing the humidity of the air Reducing the barometric pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A minimum boiling azeotrope is exemplified by Toluene-benzene Water-isobutyl alcohol Acetone-carbon disulphide None of these Toluene-benzene Water-isobutyl alcohol Acetone-carbon disulphide None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Extraction of coffee from its seed is done by Liquid-liquid extraction Leaching Extractive distillation Steam distillation Liquid-liquid extraction Leaching Extractive distillation Steam distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-1 cm²/sec 10-9 cm/sec 10-4 cm²/seC₂ 10-3 sec/cm 10-1 cm²/sec 10-9 cm/sec 10-4 cm²/seC₂ 10-3 sec/cm ANSWER DOWNLOAD EXAMIANS APP