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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

Cold heading
Hot piercing
Extrusion
Cold peening

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

Same
Less
None of the listed here
More

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Workshop Technology
The upsetting is a process of

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

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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
A basic shaft is one whose

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

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