Calculate the cutting speed of drilling operation when diameter of drill is 10 mm and rotational speed of drill is 200 r.p.m.?
A. 6.283 m/min
B. 3.142 m/min
C. 8.362 m/min
D. 10.216 m/min
Answer:A
Calculate the cutting speed of drilling operation when diameter of drill is 10 mm and rotational speed of drill is 200 r.p.m.?
A. 6.283 m/min B. 3.142 m/min C. 8.362 m/min D. 10.216 m/min