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Workshop Technology

Workshop Technology
Lap joints are employed on plates having thickness

Above 25 mm
12.5 mm
5 to 10 mm
Less than 3 mm

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Workshop Technology
Green sand is a mixture of

90% sand and 10% clay
70% sand and 30% clay
50% sand and 50% clay
30% sand and 70% clay

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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.

Combination die
Simple die
Progressive die
Compound die

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Workshop Technology
A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as

Shift
Swell
Scab
Sand wash

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

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

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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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