Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) KL².DA KL²/DA KL/DA² √(KL².DA) KL².DA KL²/DA KL/DA² √(KL².DA) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Decrease in air temperature Increase in air humidity Both A & B Neither A nor B Decrease in air temperature Increase in air humidity Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes None of these 1 ? None of these 1 ? ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not a batch drier? Truck drier Fluidised bed drier Vacuum shelf drier Agitated pan drier Truck drier Fluidised bed drier Vacuum shelf drier Agitated pan drier ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Smoke is an example of Gas dispersed in liquid Liquid dispersed in gas Solid dispersed in liquid Solid dispersed in gas Gas dispersed in liquid Liquid dispersed in gas Solid dispersed in liquid Solid dispersed in gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dew point of an air-water vapor mixture Decreases with decrease in pressure Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve All of the listed here At constant humidity & total pressure is fixed Decreases with decrease in pressure Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve All of the listed here At constant humidity & total pressure is fixed ANSWER DOWNLOAD EXAMIANS APP
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