A metal disk of 30 mm diameter is to be punched from a sheet of 5 mm thickness. If the punch and die clearance is 4%, then the required diameter of punch is
A
29.60 mm
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
30.40 mm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
30.20 mm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
29.80 mm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A 29.60 mm Given: Sheet thickness = 5 mm
So, clearance = 4 % of 5 mm
c = 0.2 mm