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Workshop Technology

Workshop Technology
The increase in hardness due to cold working, is called

Age hardening
Work hardening
Induction hardening
Flame hardening

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Workshop Technology
In electric resistance welding, pressure applied varies from

25 to 55 MPa
5 to 10 MPa
10 to 25 MPa
1 to 5 MPa

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Workshop Technology
Tandem drawing of wires and tubes is necessary because

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

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Workshop Technology
When a pattern is made in three parts, the top part, is known as a

Cope
Drag
Cheek
None of these

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Workshop Technology
Most of the oxyacetylene welding is done with

Oxidizing flame
Carburising flame
All of these
Neutral flame

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Workshop Technology
In a ________, both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.

Progressive die
Simple die
Compound die
Combination die

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