railway RRB JE (CBT I + CBT II) Mock Test 2024 Production Engineering (Manufacturing) Machining Processes and Machine Tools Tool Wear and Failure
For a cemented carbide turning tool, tailor’s tool life exponent is 0.25. if the cutting speed is halved, the tool life will increase by
1
Half
2
2 times
3
8 times
4
16 times