Mass Transfer
Which of the following equipments is not used for gas dispersion?

Agitated vessels
Bubble cap tray towers
Spray towers
Perforated sieve tray towers

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Bollman extractor

Is used for extraction of oil from oilseed
Is a centrifugal extractor
Is a static bed leaching equipment
Employs only counter-current extraction

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 intercept of the operating line
Is computed from the slope of the upper operating line that is tangent to the equilibrium curve

ANSWER DOWNLOAD EXAMIANS APP