Mass Transfer For which of the following unit operations, Lewis number is of significance? Binary distillation Gas absorption Adsorption Humidification Binary distillation Gas absorption Adsorption Humidification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is 0.215 0.017 0.31 0.107 0.215 0.017 0.31 0.107 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Danckwerts developed the __________ theory. Film Penetration None of these Surface renewal Film Penetration None of these Surface renewal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not affect the moisture content of the wet solid Does not change with time Decreases with time Increases with time Does not affect the moisture content of the wet solid Does not change with time Decreases with time Increases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Perforated plate towers are unique for solvent extraction because, they provide Repeated coalescence & redispersion of the drop phase Higher contact area Better contact of the phase None of these Repeated coalescence & redispersion of the drop phase Higher contact area Better contact of the phase None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement. Major decrease in the number of Marginal decrease in the number of None of the listed here No change in theoretical Major decrease in the number of Marginal decrease in the number of None of the listed here No change in theoretical ANSWER DOWNLOAD EXAMIANS APP
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