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WORKSHOP TECHNOLOGY

Workshop Technology
The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as

Hot piercing
Cold peening
Cold heading
Extrusion

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Workshop Technology
In backhand welding, the angle between the welding rod and the work is ___ as compared to forehand welding.

More
None of the listed here
Same
Less

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Workshop Technology
The upsetting is a process of

Bending of a bar
Joining the two surfaces of metal under pressure after heating
Increasing the cross-section of a bar
Reducing the cross-section of a bar

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Workshop Technology
In welding copper alloys with TIG arc welding

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

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Workshop Technology
A basic shaft is one whose

Upper deviation is zero
Lower deviation is zero
Lower and upper deviations are zero
None of the listed here

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