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Workshop Technology

Workshop Technology
The operation of cutting of a flat sheet to the desired shape is called

Blanking
Punching
Piercing
Shearing

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Workshop Technology
Projection welding is a

Multi-spot welding process
Continuous spot welding process
Arc welding process
Process used for joining round bars

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Workshop Technology
Tandem drawing of wires and tubes is necessary because

Surface finish improves after every drawing stage
It is not possible to reduce at one stage
Annealing is needed between stages
Accuracy in dimensions is not possible otherwise

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Workshop Technology
In a ___, the molten metal is poured and allowed to solidify while the mould is revolving.

Permanent mould casting method
Centrifugal casting method
Slush casting method
Die casting method

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Workshop Technology
The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as

Cold heading
Extrusion
Hot piercing
Cold peening

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Workshop Technology
In forehand welding, the angle between the welding rod and the work is kept as

30°-40°
60°-70°
50°-60°
40°-50°

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