The GATE Grind

GATE 2025 ME – Question 21

Casting, Forming and Joining Processes · Welding, brazing, soldering and adhesive bonding · 1 mark · Multiple choice

The welding process commonly used for fabricating tailor-welded blanks of dissimilar thickness for automotive applications is

  1. gas welding
  2. laser welding
  3. arc welding
  4. friction welding

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Show answer and explanation

Correct answer: (B) laser welding

Explanation

Laser welding gives a narrow, precise weld with little distortion, and it can join sheets of different thickness and strength edge to edge. That makes it the usual choice for tailor-welded blanks.