engineering recuitment BEL Probationary Engineers Mock Test 2025 Production Engineering (Manufacturing) Metal Forming Sheet Metal Operation
A punch is used for making holes in steel plates with thickness 8 mm. If the punch diameter is 20 mm and force required for creating a hole is 110 kN, the average shear stress in the plate will be nearly
1
139 MPa
2
219 MPa
3
336 MPa
4
416 MPa