Production Engineering - Engineering

Q1:

The cutting speed for drilling aluminium, brass and bronze with high speed steel drills varies from

A 10 to 20 m/min

B 18 to 30 m/min

C 24 to 45 m/min

D 60 to 90 m/min

ANS:D - 60 to 90 m/min

Explanation: No answer description is available.