Question: Wet solid are to be dried from 40% to 10% in 5 hours under constant drying conditions. The critical moisture content is 20% and the

Wet solid are to be dried from 40% to 10% in 5 hours under constant drying conditions. The critical moisture content is 20% and the equilibrium moisture content is 7% . All moisture contents are on dry basis. What is the time needed to dry from 15% to 5% free moisture under the same drying condition?

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