Mass Transfer In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when An azeotrope forms A total condenser is used The latent heat of vaporisation of the more and less volatile components are greatly different Saturated feed is not used An azeotrope forms A total condenser is used The latent heat of vaporisation of the more and less volatile components are greatly different Saturated feed is not used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stefan's law describes the mass transfer by Bulk flow Neither A nor B Diffusion Both A & B Bulk flow Neither A nor B Diffusion Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 5 100 10 1 5 100 10 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is 2 0.5 ∞ 1 2 0.5 ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The commonly used solvent in supercritical extraction is Carbon dioxide Carbon tetrachloride Water Methyl ethyl ketone Carbon dioxide Carbon tetrachloride Water Methyl ethyl ketone ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly Cracks develop on the surface of the solid None of these Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly Cracks develop on the surface of the solid None of these ANSWER DOWNLOAD EXAMIANS APP