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Workshop Technology

Workshop Technology
In die casting, machining allowance is

Large
Very large
Not provided
Small

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Workshop Technology
Blanking and piercing operations can be performed simultaneously in a

Combination die
Simple die
Compound die
Progressive die

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Workshop Technology
In piercing operation, the clearance is provided on

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

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

Work hardening
Age hardening
Induction hardening
Flame hardening

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Workshop Technology
For gas welding, the pressure desired at the welding torch for acetylene is

280 to 560 kN/m²
560 to 840 kN/m²
7 to 103 kN/m²
70 to 280 kN/m²

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Workshop Technology
The sand used for making cores is

Green sand
Loam sand
Oil sand
Dry sand

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