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GATE 2018 ME (ME2) – Question 24

Casting, Forming and Joining Processes · Bulk forming and sheet forming, estimation of load · 1 mark · Multiple choice

Match products P: toothpaste tube, Q: metallic pipes, R: plastic bottles, S: threaded bolts with processes 1: centrifugal casting, 2: blow moulding, 3: rolling, 4: impact extrusion.

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

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Show answer and explanation

Correct answer: (C) P-4, Q-1, R-2, S-3

Explanation

Collapsible toothpaste tubes are impact-extruded (P-4); metallic pipes can be centrifugally cast (Q-1); hollow plastic bottles are blow-moulded (R-2); bolt threads are rolled (S-3). Thus **P4,Q1,R2,S3, C**.