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

Seam welding
Spot welding
Upset butt welding
Flash butt welding

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Workshop Technology
A progressive limit gauge has

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

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Workshop Technology
The purpose of a gate is to

Delivers molten metal from pouring basin to gate
Act as a reservoir for the molten metal
Feed the molten metal to the casting in order to compensate for the shrinkage
Delivers molten metal into the mould cavity

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