Mass Transfer The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature. None of these Dry bulb Wet bulb Dew point None of these Dry bulb Wet bulb Dew point ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Decrease in air temperature Both A & B Neither A nor B Increase in air humidity Decrease in air temperature Both A & B Neither A nor B Increase in air humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for All of these Total reflux Constant molal overflow Constant relative volatility All of these Total reflux Constant molal overflow Constant relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation. Minimum Maximum permissible Operating Total Minimum Maximum permissible Operating Total ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Is more accurate than Ponchan-Savarit method Uses weight fractions to express liquid and vapour composition Can use any type of units Uses molal units for material and energy balance Is more accurate than Ponchan-Savarit method Uses weight fractions to express liquid and vapour composition Can use any type of units Uses molal units for material and energy balance ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing. Either A, or B ; depends on the type of packing Equal to Greater than Smaller than Either A, or B ; depends on the type of packing Equal to Greater than Smaller than ANSWER DOWNLOAD EXAMIANS APP
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