Machine Tools and Their Applications - 1 - Mechanical Engineering (MCQ) questions and answers

1)   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