Chapter:

1. Crater wear occurs at


2. Hot hardness of cutting of cutting tool should be


3. Negative back rake angle is given for machining of:


4. Which of following tools is most suitable for very hard and brittle material?


5. For machining of carbide material which of following tool will be preferred?


6. Cutting tool should maintain its hardness.


7. With an increase in side cutting edge angle keeping width of cut constant, depth of cut will


8. High speed steels are most suitable for


9. Which of following will give better chip flow?


10. Angle between side cutting edge and axis of tool is known as:


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