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GATE 2025 ES – Question 29

Solid and Hazardous Waste Management · Municipal Solid Waste Management · 1 mark · Multiple select

Which displayed flowsheets correctly produce RDF from segregated dry waste collected in blue municipal-waste containers? Select all that apply.

Diagram for GATE 2025 ES question 29
  1. Option A in the figure
  2. Option B in the figure
  3. Option C in the figure
  4. Option D in the figure

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Show answer and explanation

Correct answer: (A) Option A in the figure

Explanation

A dries waste, removes metals and dense glass/stones/inerts, then shreds and pelletizes the retained combustible material. B and D reject textiles, paper and plastics, the desired fuel fraction. C pelletizes before shredding, inverting the normal size-reduction/pelletizing sequence. Therefore **A only**.

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