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Workshop Technology

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

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

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

Progressive die
Combination die
Compound die
Simple die

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Workshop Technology
The welding process used to join the ends of two pipes of uniform cross-section, is

Spot welding
Projection welding
Upset butt welding
Seam welding

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Workshop Technology
The material which can be best cut with oxygen cutting process is

Copper
Mild steel
Brass
Aluminium

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Workshop Technology
In sheet metal work, he cutting force on the tool can be reduced by

Increasing the hardness of tool
Grinding the cutting edges sharp
Increasing the hardness of die
Providing shear on tool

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Workshop Technology
The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is

Less than 0.1 percent
More than 0.3 percent
Less than 0.3 percent
Anywhere between 0.1 to 1 percent

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