Question

Find the final moisture content for the batch process if the initial moisture content is 75% (dry basis) and the constant moisture content is 40%. (Includes constant and falling rate period)

(a) 45

(b) 50

(c) 60

(d) None of the mentioned

The question was asked during an internship interview.

The query is from Time period Calculation in Batch Drying topic in chapter Drying of Mass Transfer

Answer 1

Right answer is (d) None of the mentioned

To explain I would say: Here the final moisture content must be less than critical moisture content.