Allied & ICAR Exam Bank • ALLIED_0943 MCQ • 1 Mark

Section 6: Agricultural Process Engineering

Drying and Dehydration

Subtopic: Drying Theory and Grain Dryers

Question Statement:

The Midilli-Kucuk thin-layer drying model expresses the moisture ratio $MR$ as:

Options:

  • (A) $MR = a \exp(-k t^n) + b t$
  • (B) $MR = a t + b$
  • (C) $MR = \exp(-k / t)$
  • (D) $MR = 1 - k t$

Answer Key:

A

Step-by-Step Solution & Explanation

Midilli and Kucuk modified Page's model by adding a linear term ($MR = a \exp(-k t^n) + b t$) to capture both internal diffusion and boundary layer surface drying kinetics across diverse agricultural crops.
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