Mass Transfer
In McCabe-Thiele method, at infinite reflux ratio

The overhead product is minimum
Neither A nor B
Both the operating lines coincide with diagonal
Both A & B

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Flights in a rotary dryer are provided to

Lift and shower the solids thus exposing it thoroughly to the drying action of the gas
Increase the residence time of the solid
None of these
Reduce the residence time of solid

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Molecular diffusion is caused by the

Transfer of molecules from low concentration to high concentration region
Potential energy of the molecules
Activation energy of the molecules
Thermal energy of the molecules

ANSWER DOWNLOAD EXAMIANS APP