The tool may fail due to

A. Cracking at the cutting edge due to thermal stresses

B. Chipping of the cutting edge

C. Plastic deformation of the cutting edge

D. All of these

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  1. Hot rolling of mild steel is carried out
  2. Any number of equal divisions can be obtained on milling machine by
  3. The abrasive recommended for grinding materials of high tensile strength is
  4. The method of centre less grinding used to produce taper is
  5. The rake angle of a single point cutting tool corresponds to _________ of a twist drill.
  6. Gears can be best produced on mass production by
  7. During the execution of a CNC part program block NO20 GO2 X45.0 Y25.0 R5.0 ; the type of tool motion…
  8. Hardness of green sand mould increases with
  9. In metal cutting operations, the shear angle is the angle made by the shear plane with the
  10. Glazing in grinding wheels takes place when the
  11. In oblique cutting system, the cutting edge of the tool
  12. Glazing in grinding wheels can be decreased by
  13. Crack in grinding wheel is developed due to
  14. The rake angle required to machine brass by high speed steel tool is
  15. A left hand tool on a lathe cuts most efficiently when it travels
  16. Tool life is measured by the
  17. In up milling, the thickness of chip is
  18. Ceramic cutting tools are
  19. A diamond locating pin is used in jigs and fixtures because
  20. In a planer
  21. In lapping operation, the amount of metal removed is
  22. Thread grinding requires work speed from
  23. The facing is an operation of
  24. In a CNC program block, N002 GO2 G91 X40 Z40......, GO2 and G91 refer to
  25. The process of removing metal by a cutter which is rotated in the same direction of travel of workpiece,…
  26. The process of removing metal by a cutter which is rotated against the direction of travel of workpiece,…
  27. Crater wear occurs mainly on the
  28. The percentage of carbon in gray cast iron is in the range of
  29. Which of the following statement is wrong?
  30. Which of the following arc welding processes does not use consumable electrodes?