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Workshop Technology

Workshop Technology
The shrinkage allowance for cast iron pattern is

26 mm/m
16 mm/m
10 mm/m
20 mm/m

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

Drawing down
Upsetting
Spinning
Peening

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Workshop Technology
Cold working of metal increases

Yield strength
Tensile strength
All of these
Hardness

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Workshop Technology
In piercing operation, the clearance is provided on

Punch
Die
Either on punch or die depending upon designer's choice
Half on the punch and half on the die

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Workshop Technology
When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as

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

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Workshop Technology
For welding plates of thickness more than 12.5 mm, its edges

Do not require bevelling
Should have a double-V or U-groove on one side
Should have a double-V or U-groove on both sides
Should be bevelled to a single-V or U-groove

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