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

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

ANSWER DOWNLOAD EXAMIANS APP

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

ANSWER DOWNLOAD EXAMIANS APP