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Workshop Technology

Workshop Technology
Cold working of metal increases

All of these
Yield strength
Tensile strength
Hardness

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Workshop Technology
Projection welding is a

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

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Workshop Technology
In welding magnesium with TIG arc welding, direct current with ________ is used.

Straight polarity
Both (A) and (B)
None of these
Reversed polarity

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Workshop Technology
Thermit, used in Thermit welding, is a mixture of

Iron oxide and aluminium
Charcoal, iron oxide and aluminium
Charcoal and iron oxide
Charcoal and aluminium

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

Blanking
Shearing
Piercing
Punching

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Workshop Technology
A pattern maker's shrinkage rule considers

Only shrinkage allowance
All materials of the pattern
All materials to be cast
All pattern allowances

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