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Workshop Technology

Workshop Technology
In backhand welding, the angle between the welding torch and the work is kept as

30°-40°
60°-70°
50°-60°
40°-50°

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Workshop Technology
In a centrifugal casting method

No core is used
Core is made of nonferrous metal
Core is made of sand
Core is made of ferrous metal

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

Spinning
Peening
Upsetting
Drawing down

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Workshop Technology
A casting defect which occurs due to improper venting of sand is known as

Swell
Shift
Blow holes
Cold shuts

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Workshop Technology
The electrodes used in spot welding have a tip of

Aluminium
Copper
Stainless steel
Brass

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Workshop Technology
When more volume of acetylene and less volume of oxygen is supplied, then a ___ flame is obtained.

Neutral
None of the listed here
Carburising
Oxidizing

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