Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 to 5 5 to 10 > 10 1 1 to 5 5 to 10 > 10 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? Relative humidity of outlet air Humidity of inlet air Temperature of the solid Flow rate of inlet air Relative humidity of outlet air Humidity of inlet air Temperature of the solid Flow rate of inlet air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) 1/D D D0.5 D2 1/D D D0.5 D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ developed the film theory. Ergun Higbie Levenspeil Fick Ergun Higbie Levenspeil Fick ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in gas rate, the number of transfer units, NtoG, for a fixed degree of absorption by a fixed amount of solvent Remains unaffected Decreases Increases Decreases linearly Remains unaffected Decreases Increases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is 9.21 4.605 100 0.001 9.21 4.605 100 0.001 ANSWER DOWNLOAD EXAMIANS APP
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