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Workshop Technology

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

Upsetting
Spinning
Peening
Drawing down

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Workshop Technology
In welding magnesium with TIG arc welding, direct current with ________ is used.

Reversed polarity
Straight polarity
Both (A) and (B)
None of these

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Workshop Technology
In welding copper alloys with TIG arc welding

Any one of the listed here
Direct current with reversed polarity is used
Alternating current is used
Direct current with straight polarity is used

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Workshop Technology
The maximum flame temperature occurs

Between the outer and inner cone
At the torch tip
At the inner cone
At the outer cone

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Workshop Technology
Carburising flame is used to weld

Steel, cast iron, copper, aluminium etc
Brass and bronze
All of these
Hard surfacing materials such as stellite

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Workshop Technology
The consumable electrode is used in

Submerged arc welding
TIG arc welding
MIG arc welding
Carbon arc welding

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