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Workshop Technology

Workshop Technology
The cold chisels are made from

Cast tool steel
Cast iron
Mild steel
High speed steel

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Workshop Technology
The draft or taper allowance on casting is generally

5 to 10 mm/m
2 to 5 mm/m
10 to 15 mm/m
1 to 2 mm/m

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Workshop Technology
In a ___ two or more operations are performed simultaneously at the single stroke of the ram.

Simple die
Compound die
Combination die
Progressive die

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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

Extrusion
Hot piercing
Cold heading
Cold peening

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Workshop Technology
Scribing block is used to

Locate the centres of round bars
Check the surface roughness
Hold the round bars during marking
Check the trueness of flat surfaces

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

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

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