Question Bank • QB_SUB_APE_0001 NAT • 2 Marks

Section 6: Agricultural Process Engineering

Evaporation and Drying

Subtopic: Drying and milling of cereals, pulses and oilseeds

Question Statement:

A grain sample has a moisture content of $20\%$ on wet basis. The moisture content on dry basis (in percent, rounded to 1 decimal place) is:

Answer Key:

25.0

Step-by-Step Solution & Explanation

Dry basis moisture content conversion: $M_{db} = \frac{M_{wb}}{1 - M_{wb}} \times 100 = \frac{20.0}{100 - 20.0} \times 100 = \frac{20.0}{80.0} \times 100 = 25.00\%$
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