Mass Transfer The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is ∞ 2 0.5 1 ∞ 2 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. Neither A nor B Liquid Gas Both A & B Neither A nor B Liquid Gas Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stage efficiency in a leaching process depends on the Vapour pressure of the solution Both A & B Rate of diffusion of the solute through the solid and into the liquid Time of contact between the solid and the solution Vapour pressure of the solution Both A & B Rate of diffusion of the solute through the solid and into the liquid Time of contact between the solid and the solution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Gas velocity should be very low Liquid entrainment should be severe Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large Gas velocity should be very low Liquid entrainment should be severe Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit) Straight Neither A nor B Parallel Both A & B Straight Neither A nor B Parallel Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is defined as Flux = Co-efficient/concentration difference Co-efficient = Flux/concentration difference None of the listed here Flux=concentration difference/co-effi-cient Flux = Co-efficient/concentration difference Co-efficient = Flux/concentration difference None of the listed here Flux=concentration difference/co-effi-cient ANSWER DOWNLOAD EXAMIANS APP
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