Allied & ICAR Exam Bank • ALLIED_0623 MCQ • 1 Mark

Section 6: Agricultural Process Engineering

Psychrometry and Grain Drying

Subtopic: Psychrometry and Grain Drying

Question Statement:

In a rubber roll dehusker, the differential peripheral speed between the two resilient rollers generates:

Options:

  • (A) Shearing forces on the grain that strip the husk off with minimal kernel breakage
  • (B) Tensile stress along the embryo
  • (C) Impact pulverization
  • (D) Centrifugal compaction

Answer Key:

A

Step-by-Step Solution & Explanation

Frictional gripping between fast and slow rubber rolls exerts high surface shear that shears the brittle lemma and palea without shattering the caryopsis.
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