Mass Transfer
McCabe-Thiele method

Can use any type of units
Uses weight fractions to express liquid and vapour composition
Uses molal units for material and energy balance
Is more accurate than Ponchan-Savarit method

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the

Relative volatility is reasonably constant
Mixture (to be separated) shows positive deviation from ideality
Multicomponent distillation is involved
Mixture (to be separated) shows negative deviation from ideality

ANSWER DOWNLOAD EXAMIANS APP