Workshop Technology
During drawing operation, the states of stress in cup would include

Both (A) and (B)
Compressive stress in the flange
Tensile stress in the wall
None of these

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Workshop Technology
Spot welding is used for welding

Butt joints in plates having thickness above 3 mm
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

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