The GATE Grind

GATE 2024 ME – Question 29

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

The "Earing" phenomenon in metal forming is associated with

  1. deep drawing
  2. rolling
  3. extrusion
  4. forging

Practise this question in The GATE Grind →

Show answer and explanation

Correct answer: (A) deep drawing

Explanation

Earing is the wavy, uneven height of the top edge of a cup after deep drawing. It is caused by the planar anisotropy of the sheet, which makes the metal flow unequally in different directions.