GATE PI concept:friction-stir-welding PYQs & Answers

Questions 1–2 of 2. Imported answers require independent review unless marked reviewed.

Exit-hole occurrence is common in

Your answerChoose one option.

Electron Beam Welding

Submerged Arc Welding

Friction Welding

Friction Stir Welding

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Which among the following is/are TRUE for friction stir welding (FSW) process?

Your answerSelect all correct options. You can choose more than one.

It can be used to produce lap, butt and tee joints.

A non-consumable rotating tool with shoulder and pin is used to melt the work-piece material.

Retreating side of the weld is where the linear velocity vector at a point on that side of the rotating tool and the weld direction are opposite.

Advancing side of the weld is where the linear velocity vector at a point on that side of the rotating tool and the weld direction are opposite.

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GATE PI concept:friction-stir-welding PYQs