Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-4 cm²/seC₂ 10-1 cm²/sec 10-3 sec/cm 10-9 cm/sec 10-4 cm²/seC₂ 10-1 cm²/sec 10-3 sec/cm 10-9 cm/sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their Low pumping pressure drop All of these Rapid absorption rates Better flow characteristics Low pumping pressure drop All of these Rapid absorption rates Better flow characteristics ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Decrease in air temperature Neither A nor B Both A & B Increase in air humidity Decrease in air temperature Neither A nor B Both A & B Increase in air humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unit operation involved in the prilling of urea is Crystallisation Drying Both B and C Evaporation Crystallisation Drying Both B and C Evaporation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same. Heat, momentum and mass Mass and momentum Heat and mass Heat and momentum Heat, momentum and mass Mass and momentum Heat and mass Heat and momentum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The boiling points of pure components of a binary system __________ with increase in total pressure of the system. Increases Decreases May increase or decrease, depends on the system Remains unchanged Increases Decreases May increase or decrease, depends on the system Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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