Mass Transfer Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of None of these Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Mass diffusivity to momentum diffusivity None of these Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Mass diffusivity to momentum diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible. Remains same Increases Decreases Increases linearly Remains same Increases Decreases Increases linearly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as Ri = Re Ri = (1 - Re)/Re Ri = Re/(1 - Re) Ri = Re/(1 + Re) Ri = Re Ri = (1 - Re)/Re Ri = Re/(1 - Re) Ri = Re/(1 + Re) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are Straight Neither A nor B Both A & B Parallel Straight Neither A nor B Both A & B Parallel ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to separate Azeotropes High boiling substances from nonvolatile impurities Heat sensitive materials Mixtures of low relative volatility Azeotropes High boiling substances from nonvolatile impurities Heat sensitive materials Mixtures of low relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer. Same as More than Less than Very much less Same as More than Less than Very much less ANSWER DOWNLOAD EXAMIANS APP
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