Mass Transfer
Unit of molal diffusivity is

Gm moles/cm² . sec
Gm moles/cm². sec
Cm²/sec gm . mole
Gm moles/cm. sec

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
For water-ethanol system, the minimum 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
Is the optimum reflux ratio

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent?

Heating and dehumidification at almost constant wet bulb temperature
Cooling and dehumidification
None of these
Dehumidification with dry bulb temperature remaining constant

ANSWER DOWNLOAD EXAMIANS APP