Question

If the equilibrium vapour pressure is lower than pure liquid pressure then the moisture content is ___________

(a) Bound moisture

(b) Unbound moisture

(c) Equilibrium moisture

(d) None of the mentioned

I had been asked this question in examination.

My question comes from Moisture Concept of Drying topic in chapter Drying of Mass Transfer

Answer 1

Correct answer is (a) Bound moisture

For explanation: Bound moisture is the inside moisture present inside the compound which can be removed only by unsaturated surface drying.