In which one of the following welding techniques is vacuum environment required?

Question

In which one of the following welding techniques is vacuum environment required?

            (a) Plasma arc welding

           (b) Laser beam welding

           (c) Electron beam welding

            (d) Ultrasonic welding

priam118 · Answer 1 · 2017-10-15T12:37:13+0000

c

since in case of no vacuum, electrons will deflect after collision with the air particles and lose its eenergy

In which one of the following welding techniques is vacuum environment required?

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