Question Bank • QB_SUB_APE_0040 MSQ • 2 Marks

Section 6: Agricultural Process Engineering

Size Reduction and Material Handling

Subtopic: Cleaning and grading

Question Statement:

A specific gravity separator separates granular agricultural mixtures of identical particle size based on differences in:

Options:

  • (A) Apparent bulk density / specific gravity of individual kernels
  • (B) Terminal velocity under fluidization on an inclined oscillating deck
  • (C) Length and width of seeds
  • (D) Moisture vaporization latent heat

Answer Key:

A, B

Step-by-Step Solution & Explanation

Specific gravity separators fluidize the bed with upward air flow while deck oscillation causes heavier seeds to climb uphill and lighter particles to float downhill.
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