Mass Transfer The binary diffusivity in gases and liquids vary respectively as T3/2 and √T T and T3/2 T3/2 and T √T and T3/2 T3/2 and √T T and T3/2 T3/2 and T √T and T3/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (4De/t) (De/t)1/2 (De.t)1/2 (4De/πt)1/2 (4De/t) (De/t)1/2 (De.t)1/2 (4De/πt)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. Gas Neither A nor B Both A & B Liquid Gas Neither A nor B Both A & B Liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. Decreases Increases May increase on decrease, depends on the system Does not vary Decreases Increases May increase on decrease, depends on the system Does not vary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Under conditions of flooding in packed tower, the gas pressure drop Increases rapidly Is maximum Decreases rapidly Remains constant Increases rapidly Is maximum Decreases rapidly Remains constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer. Indirect tray Spray None of these Freeze Indirect tray Spray None of these Freeze ANSWER DOWNLOAD EXAMIANS APP
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