Question Bank • QB_SUB_APE_0002 MCQ • 1 Mark

Section 6: Agricultural Process Engineering

Evaporation and Drying

Subtopic: Drying and milling of cereals, pulses and oilseeds

Question Statement:

In a commercial Louisiana State University (LSU) continuous cross-flow grain dryer, the air ducts are arranged as:

Options:

  • (A) Inverted V-shaped troughs (baffles) arranged in staggered vertical rows for air inlet and exhaust
  • (B) Perforated flat circular plates
  • (C) Rotating cylindrical steam jackets
  • (D) Vertical fluidized bed porous screens

Answer Key:

A

Step-by-Step Solution & Explanation

LSU dryers feature staggered inverted V-shaped metal ducts that distribute heated air uniformly while grains flow downward by gravity.
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