Workshop Technology
In sheet metal blanking, shear is provided on punches and dies so that

Press load is reduced
Warping of sheet is minimized
Good cut edge is obtained
Cut blanks is straight

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Workshop Technology
A progressive limit gauge has

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

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Workshop Technology
Spot welding is used for welding

Lap joints in plates having thickness above 3 mm
Lap joints in plates having 0.025 mm to 1.25 mm thickness
Butt joints in plates having 0.025 mm to 1.25 mm thickness
Butt joints in plates having thickness above 3 mm

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