Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 0.5 to 0.8 2.5 to 3.5 1.25 to 2.0 0.8 to 1.2 0.5 to 0.8 2.5 to 3.5 1.25 to 2.0 0.8 to 1.2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is directly proportional to DAB0.5, according to __________ theory. Film None of these Penetration Surface renewal Film None of these Penetration Surface renewal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stage efficiency in a leaching process depends on the Vapour pressure of the solution Time of contact between the solid and the solution Rate of diffusion of the solute through the solid and into the liquid Both A & B Vapour pressure of the solution Time of contact between the solid and the solution Rate of diffusion of the solute through the solid and into the liquid Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusivity of a liquid May increase or decrease with temperature Is independent of temperature Decreases with temperature Increases with temperature May increase or decrease with temperature Is independent of temperature Decreases with temperature Increases with temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, Surface evaporation of unbound moisture occurs None of these Increased air humidity decreases the rate of drying Increasing the air temperature decreases the drying rate Surface evaporation of unbound moisture occurs None of these Increased air humidity decreases the rate of drying Increasing the air temperature decreases the drying rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) Log P vs . T T vs . P P vs . log T Log P vs. log T Log P vs . T T vs . P P vs . log T Log P vs. log T ANSWER DOWNLOAD EXAMIANS APP
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