Mass Transfer The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is +ve ∞ -ve +ve ∞ -ve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty? Sieve plate column Randomly packed column Bubble cap column Wetted wall column Sieve plate column Randomly packed column Bubble cap column Wetted wall column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas Remains same Increases Decreases linearly Decreases Remains same Increases Decreases linearly Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Leaching of coffee from coffee beans is done by Dilute H₂SO₄ (hot) Hexane Hot water Lime water Dilute H₂SO₄ (hot) Hexane Hot water Lime water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower) FG/(G.a) F/(FG.a) L/(FG.G) (G.a)/FG FG/(G.a) F/(FG.a) L/(FG.G) (G.a)/FG ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency Remains same Increases May increase or decrease ; depends on individual design Decreases Remains same Increases May increase or decrease ; depends on individual design Decreases ANSWER DOWNLOAD EXAMIANS APP