Mass Transfer Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of None of these Mass diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity None of these Mass diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The solvent used in liquid-liquid extraction should have __________ less than one. Selectivity Both A & B Distribution co-efficient Neither A nor B Selectivity Both A & B Distribution co-efficient Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A binary mixture of benzene and cyclohexane is separated by Ordinary distillation Extractive distillation Solvent extraction Flash vaporisation Ordinary distillation Extractive distillation Solvent extraction Flash vaporisation 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 None of the listed here Major decrease in the number of Marginal decrease in the number of No change in theoretical None of the listed here Major decrease in the number of Marginal decrease in the number of ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On addition of solute in the solvent, the __________ of the solution decreases. Boiling point Freezing point Vapour pressure Both B and C Boiling point Freezing point Vapour pressure Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following remains constant during evaporative cooling process with recirculated water supply? Relative humidity Partial pressure of vapour None of these Wet bulb temperature Relative humidity Partial pressure of vapour None of these Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
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