Mass Transfer The relative volatility of a binary mixture at the azeotropic composition is ∞ 1 > 1 ∞ 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and Humidified at constant wet bulb temperature None of these Dehumidified Humidified with wet bulb temperature decreasing Humidified at constant wet bulb temperature None of these Dehumidified Humidified with wet bulb temperature decreasing ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In most of the vacuum crystalliser, vacuum is generally produced by means of a Suction pump Compressed air jet None of these Steam jet ejector with a barometric condenser Suction pump Compressed air jet None of these Steam jet ejector with a barometric condenser ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Neither A nor B Both A & B Degree of ideality of the solution Viscosity with concentration Neither A nor B Both A & B Degree of ideality of the solution Viscosity with concentration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 15 min 71 min 51 min 94 min 15 min 71 min 51 min 94 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration model (theory) for mass transfer was enunciated by Danckwerts Higbie Toor and Marchello Kissinevskii Danckwerts Higbie Toor and Marchello Kissinevskii ANSWER DOWNLOAD EXAMIANS APP