Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 > 10 1 to 5 5 to 10 1 > 10 1 to 5 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to separate High boiling substances from nonvolatile impurities Mixtures of low relative volatility Heat sensitive materials Azeotropes High boiling substances from nonvolatile impurities Mixtures of low relative volatility Heat sensitive materials Azeotropes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During drying of a solid, the critical moisture content increases with Decreased drying rate Increased drying rate Both B and C Increased thickness of the solid Decreased drying rate Increased drying rate Both B and C Increased thickness of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes ; if the reflux ratio is maximum Yes Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Yes Never Normally not; but is possible if infinite number of plates are put ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero. Liquid phase Interface Gas phase All of these Liquid phase Interface Gas phase All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Seive-plate column Packed tower Wetted wall column Bubble-cap plate column Seive-plate column Packed tower Wetted wall column Bubble-cap plate column ANSWER DOWNLOAD EXAMIANS APP
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