Allied & ICAR Exam Bank • ALLIED_0640 MCQ • 1 Mark

Section 6: Agricultural Process Engineering

Mechanical Separation and Cleaning

Subtopic: Mechanical Separation and Cleaning

Question Statement:

A specific gravity separator separates seeds of identical physical dimensions based on:

Options:

  • (A) Differences in specific gravity (density) by stratifying the seed bed on an inclined vibrating deck with upward air fluidization
  • (B) Differences in seed color using optical sensors
  • (C) Differences in magnetic susceptibility
  • (D) Differences in electrostatic charge

Answer Key:

A

Step-by-Step Solution & Explanation

Fluidizing air lifts lighter seeds so they float and flow downhill to the low side, while heavier seeds contact the oscillating deck and climb to the high side.
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