Question

After the unsaturated drying completed ________ starts to evaporate.

(a) Bound

(b) Unbound

(c) Equilibrium

(d) None of the mentioned

The question was asked by my school teacher while I was bunking the class.

This question is from Drying-Rate of  Batch Drying in section Drying of Mass Transfer

Answer 1

Right option is (a) Bound

The best I can explain: After the unsaturated drying the internal movement starts which is the evaporation of bound moisture.