The GATE Grind

GATE 2021 PI – Question 18

Manufacturing Processes I · Casting · 1 mark · Multiple choice

Match components P:aluminium-alloy IC-engine piston; Q:low-carbon steel oil pan; R:tungsten-carbide cutting insert; S:plastic bottle, with processes 1:blow molding; 2:powder metallurgy; 3:sand casting; 4:deep drawing.

  1. P–3,Q–2,R–1,S–4
  2. P–3,Q–4,R–2,S–1
  3. P–2,Q–3,R–4,S–1
  4. P–1,Q–3,R–2,S–4

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Show answer and explanation

Correct answer: (B) P–3,Q–4,R–2,S–1

Explanation

Of the supplied processes, casting makes the piston, deep drawing the sheet-steel pan, powder processing the carbide insert and blow molding the hollow plastic bottle. **P–3,Q–4,R–2,S–1, B**.

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