Multiple Choice Question (MCQ)

Question: What is the recommended feed rate for turning cast iron (grey) using H.S.S tool?
A. 0.08-0.03 mm/rev
B. 0.2-1.00 mm/rev
C. 0.2-1.5 mm/rev
D. 0.15-0.7 mm/rev
Correct Answer: 0.15-0.7 mm/rev