Mass Transfer Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of Momentum diffusivity to thermal diffusivity Mass diffusivity to momentum diffusivity None of these Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Mass diffusivity to momentum diffusivity None of these Thermal diffusivity to mass diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following employs an accessory known as 'drift eliminator' ? Multiple effect evaporator Rotary dryer Rotating disc contactor Mechanical draft cooling tower Multiple effect evaporator Rotary dryer Rotating disc contactor Mechanical draft cooling tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Avoid channeling Avoid flooding Minimise the overall pressure drop Reduce liquid hold up Avoid channeling Avoid flooding Minimise the overall pressure drop Reduce liquid hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On addition of solute in the solvent, the __________ of the solution decreases. Both B and C Freezing point Vapour pressure Boiling point Both B and C Freezing point Vapour pressure Boiling point ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement pertaining to leaching. Very high temperature is not needed for the leaching of sugar beet Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor Fine solids can not be leached in a Pachuka tank Door classifier can be used for leaching of coarse solids Very high temperature is not needed for the leaching of sugar beet Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor Fine solids can not be leached in a Pachuka tank Door classifier can be used for leaching of coarse solids ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) 1/√P P 1/P √P 1/√P P 1/P √P ANSWER DOWNLOAD EXAMIANS APP
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