Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Depend on saturated boiling point; may increase or decrease Remains same Decrease Increase Depend on saturated boiling point; may increase or decrease Remains same Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-1 cm²/sec 10-3 sec/cm 10-4 cm²/seC₂ 10-9 cm/sec 10-1 cm²/sec 10-3 sec/cm 10-4 cm²/seC₂ 10-9 cm/sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The solvent used in liquid-liquid extraction should have __________ less than one. Neither A nor B Distribution co-efficient Selectivity Both A & B Neither A nor B Distribution co-efficient Selectivity Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Inside the distillation columns, the All of these Vapors are not always at their dew points Driving force for the liquid flow is its weight Highest temperatures is near the feed plate All of these Vapors are not always at their dew points Driving force for the liquid flow is its weight Highest temperatures is near the feed plate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If f = moles of vapour present per mole of feed, then the slope of feed line is (1 - f)/f - (f - 1)/f - f/(1 - f) - 1/f (1 - f)/f - (f - 1)/f - f/(1 - f) - 1/f ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ equation applies to diffusivities in liquids. Gilliland None of these Wilke and Chang Hirschfelder Gilliland None of these Wilke and Chang Hirschfelder ANSWER DOWNLOAD EXAMIANS APP