GATE PI Metal Forming PYQs & Answers — Page 3

Questions 21–23 of 23. Imported answers require independent review unless marked reviewed.

A 10 mm thick plate is rolled to 7 mm thickness in a rolling mill using 1000 mm diameter rigid rolls. The neutral point is located at an angle of 0.3 times the bite angle from the exit. The thickness (in mm, up to two decimal places) of the plate at the neutral point is _____

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A steel wire of 2 mm diameter is to be drawn from a wire of 5 mm diameter. The value of true strain developed is __________ (up to three decimal places).

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A metallic strip having a thickness of 12 mm is to be rolled using two steel rolls, each of 800 mm diameter. It is assumed that there is no change in width of the strip during rolling. In order to achieve 10% reduction in cross-sectional area of the strip after rolling, the angle subtended (in degrees) by the deformation zone at the center of the roll is

Your answerChoose one option.

1.84

3.14

6.84

8.23

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GATE PI Metal Forming PYQs

Question 49

Question 19

Question 47