Mass Transfer Selectivity of the solvent used in solvent extraction should be > 1 < 1 1 > 1 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and Humidified at constant wet bulb temperature Dehumidified Humidified with wet bulb temperature decreasing None of these Humidified at constant wet bulb temperature Dehumidified Humidified with wet bulb temperature decreasing None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 1.25 0.0025 2.5 0.25 1.25 0.0025 2.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement. No change in theoretical Marginal decrease in the number of None of the listed here Major decrease in the number of No change in theoretical Marginal decrease in the number of None of the listed here Major decrease in the number of ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn Helps in increasing the settling rate of the bubbles All of these Comprises of thin bed of substances of extended surface having high porosity Helps in increasing the bubble size entering the settler Helps in increasing the settling rate of the bubbles All of these Comprises of thin bed of substances of extended surface having high porosity Helps in increasing the bubble size entering the settler ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency May increase or decrease ; depends on individual design Increases Decreases Remains same May increase or decrease ; depends on individual design Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
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