engineering recuitment GATE ME 2023-24 Test Series Production Engineering (Manufacturing) Metal Forming Sheet Metal Operation
Calculate the smallest possible diameter that be punched with a punch, thickness of metal is 2 mm and shear strength of material is 260 N/mm2, Compressive strength of material of punch is 1300 N/mm2 with factor of safety is 3
1
7.2 mm
2
11.5 mm
3
4.8 mm
4
18 mm