Workshop Technology
The welding process used in joining mild steel shanks to high speed drills, is

Seam welding
Upset butt welding
Flash butt welding
Spot welding

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Workshop Technology
A progressive limit gauge has

Separate 'Go' and 'Not go' members
None of the listed here
'Go' and 'Not go' member on the same side of the gauge
'Go' member at one end and 'Not go' member at the other end

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