Mass Transfer
In a distillation column, with increase in the reflux ratio, the heat removed in the cooler

And the heat required in reboiler decreases
Decreases
Increases
Remains unaffected

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when

Viscosity of liquid components is very high
One of the liquid components has very high affinity towards the solvent
One of the liquid components is heat sensitive
Extracting solvent is cheaply & abundantly available

ANSWER DOWNLOAD EXAMIANS APP