GATE AG 2008 • Q54 MCQ • 2 Marks

Section 6: Agricultural Process Engineering

Size Reduction and Material Handling

Subtopic: Size separation by screening

Question Statement:

Mechanical separation is divided into

Options:

  • (A) cleaning, sorting, sieving and filtration
  • (B) grading, weighing, sieving and filtration
  • (C) sedimentation, centrifugation, filtration and sieving
  • (D) sedimentation, centrifugation, cleaning and sieving

Official Answer Key:

C

Step-by-Step Solution & Explanation

Standard classification of mechanical (physical) separation operations in food/agricultural process engineering: sedimentation, centrifugation, filtration and sieving — grouped by the physical principle used (gravity settling, centrifugal force, pressure-driven media separation, and size-based screening).

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