Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D K ∝ D2 K ∝ D1.5 K ∝ √D K ∝ D K ∝ D2 K ∝ D1.5 K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the correct relationship. (where, Ri = internal reflux ratio Ro = external reflux ratio. ) (1 + Ro) = Ro/Ri (1 - Ro) = Ro/Ri (1 - Ri) = Ro/Ri (1 + Ri) = Ro/Ri (1 + Ro) = Ro/Ri (1 - Ro) = Ro/Ri (1 - Ri) = Ro/Ri (1 + Ri) = Ro/Ri 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 Both A & B Rate of diffusion of the solute through the solid and into the liquid Vapour pressure of the solution Time of contact between the solid and the solution Both A & B Rate of diffusion of the solute through the solid and into the liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is Less than that computed for ideality Less than the sum of the vapour pressure of the components None of these Greater than that computed for ideality Less than that computed for ideality Less than the sum of the vapour pressure of the components None of these Greater than that computed for ideality ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At 750°K and 1 atm, the approximate value of Schmidt number for air is 10 1 0.1 0.01 10 1 0.1 0.01 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to 1/f 2f F/2 F 1/f 2f F/2 F ANSWER DOWNLOAD EXAMIANS APP
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