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Workshop Technology

Workshop Technology
In TIG arc welding, the welding zone is shielded by an atmosphere of

None of these
Either (A) or (B)
Argon gas
Helium gas

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Workshop Technology
In sheet metal blanking, shear is provided on punches and dies so that

Press load is reduced
Warping of sheet is minimized
Good cut edge is obtained
Cut blanks is straight

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Workshop Technology
A moving mandrel is used in

Tube drawing
Metal cutting
Forging
Wire drawing

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Workshop Technology
The fullers are used

For punching a hole
To finish the punched hole
For finishing flat surfaces
For necking down a piece of work

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Workshop Technology
The process of decreasing the cross-section of a bar and increasing its length, is called

Drawing down
Peening
Spinning
Upsetting

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Workshop Technology
In forehand welding, the angle between the welding torch and the work is ________ as compared to backhand welding.

Same
None of these
More
Less

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