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Workshop Technology

Workshop Technology
In forehand welding, the angle between the welding rod and the work is kept as

40°-50°
60°-70°
50°-60°
30°-40°

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Workshop Technology
In TIG arc welding, the welding zone is shielded by an atmosphere of

Either (A) or (B)
Helium gas
None of these
Argon gas

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Workshop Technology
Thermit, used in Thermit welding, is a mixture of

Charcoal and iron oxide
Charcoal, iron oxide and aluminium
Iron oxide and aluminium
Charcoal and aluminium

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Workshop Technology
When a pattern is made in three parts, the top part, is known as a

Cheek
Drag
Cope
None of these

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Workshop Technology
V-block is used to

Check the trueness of flat surfaces
Check the surface roughness
None of these
Locate centres of round rods

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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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