Mass Transfer Solvent used in extractive distillation Forms a high boiling azeotrope Is of low volatility Does not alter the relative volatility of the original components Forms a low boiling azeotrope Forms a high boiling azeotrope Is of low volatility Does not alter the relative volatility of the original components Forms a low boiling azeotrope ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a Higher absolute (specific) humidity Higher relative humidity Higher dew point Higher wet bulb temperature Higher absolute (specific) humidity Higher relative humidity Higher dew point Higher wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unit of molal diffusivity is Cm²/sec gm . mole Gm moles/cm. sec Gm moles/cm² . sec Gm moles/cm². sec Cm²/sec gm . mole Gm moles/cm. sec Gm moles/cm² . sec Gm moles/cm². sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If f is defined as above, then which of the following applies to a feed at dew point? F = 1 F > 1 F < 1 0 < f < 1 F = 1 F > 1 F < 1 0 < f < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is the optimum reflux ratio Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is computed from the intercept of the operating line Is the optimum reflux ratio Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is computed from the intercept of the operating line ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is defined as Flux = Co-efficient/concentration difference Co-efficient = Flux/concentration difference None of the listed here Flux=concentration difference/co-effi-cient Flux = Co-efficient/concentration difference Co-efficient = Flux/concentration difference None of the listed here Flux=concentration difference/co-effi-cient ANSWER DOWNLOAD EXAMIANS APP