Mass Transfer Stefan's law describes the mass transfer by Neither A nor B Both A & B Diffusion Bulk flow Neither A nor B Both A & B Diffusion Bulk flow ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In which of the following unit operations, the selectivity is an important parameter? Absorption None of these Distillation Solvent extraction Absorption None of these Distillation Solvent extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the system with minimum boiling azeotrope at 1 atm. Ethyl alcohol-water Benzene-toluene Hydrochloric acid-water All of these Ethyl alcohol-water Benzene-toluene Hydrochloric acid-water All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding results in Good contact between the fluids Low tray efficiency High tray efficiency High gas velocity Good contact between the fluids Low tray efficiency High tray efficiency High gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation column, with increase in the reflux ratio, the heat removed in the cooler And the heat required in reboiler decreases Decreases Remains unaffected Increases And the heat required in reboiler decreases Decreases Remains unaffected Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Very tall packed towers are divided into series of beds to Avoid channelling Reduce the overall pressure drop Avoid flooding Reduce liquid hold-up Avoid channelling Reduce the overall pressure drop Avoid flooding Reduce liquid hold-up ANSWER DOWNLOAD EXAMIANS APP