Allied & ICAR Exam Bank • ALLIED_0638 MCQ • 1 Mark

Section 6: Agricultural Process Engineering

Mechanical Separation and Cleaning

Subtopic: Mechanical Separation and Cleaning

Question Statement:

The cut size ($d_{50}$) of a cyclone separator or vibrating screen is defined as:

Options:

  • (A) The particle diameter at which exactly $50\%$ of the particles in the feed are separated/collected
  • (B) The mean of the maximum and minimum sieve sizes
  • (C) The aperture size of the top scalper
  • (D) Half the cyclone inlet width

Answer Key:

A

Step-by-Step Solution & Explanation

$d_{50}$ represents the equiprobable separation diameter: particles larger than $d_{50}$ have
gt;50\%$ capture probability, while smaller have
lt;50\%$.
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