GATE 2020 AG – Question 43
Match P paddy dehusking, Q wheat milling, R pulse dehusking, S spice grinding to 1 abrasive emery-roll cylinder, 2 attrition disk, 3 break-and-reduction rolls, 4 rubber rolls.
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Correct answer: (B) P–4,Q–3,R–1,S–2
Explanation
Rubber rolls remove paddy husk (P–4). Wheat flour milling uses break and reduction rolls (Q–3). Abrasive emery rolls remove pulse seed coats (R–1). Attrition disks grind spices (S–2). The matching is B.