Crater wear occurs mainly on the

A. Nose part, front relief face and side relief face of the cutting tool

B. Face of the cutting tool at a short distance from the cutting edge only

C. Cutting edge only

D. Front face only

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  1. Chemical milling operation is performed
  2. In centre less grinders, the maximum angular adjustment of the regulating wheel is
  3. In centreless grinding, work place centre will be
  4. In centreless grinders, the regulating wheel is inclined at
  5. Crater wear is mainly due to the phenomenon known as
  6. In a planer
  7. The cutting force in punching and blanking operations mainly depends on
  8. The taper on the lathe spindle is
  9. A grinding wheel becomes glazed (i.e. cutting edge takes a glasslike appearance) due to
  10. Which of the following statement is wrong?
  11. Glazing in grinding wheels takes place when the
  12. Internal or external threads of different pitches can be produced by
  13. The type of tool used on lathe, shaper and planer is
  14. The percentage of carbon in gray cast iron is in the range of
  15. The operation performed on a shaper is
  16. For machining a mild steel workpiece using carbide tool, the maximum material will be removed at a temperature…
  17. Threading is an operation of
  18. For harder alloy steel, the point angle of the drill is kept
  19. The cutting speed is maximum while machining __________ with a high speed steel tool.
  20. A single point thread cutting tool should ideally hav
  21. In machining metals, chips break due to __________ of work material.
  22. A left hand tool on a lathe cuts most efficiently when it travels
  23. Relief angles on high speed steel tools usually vary from
  24. In metal cutting operations, the shear angle is the angle made by the shear plane with the
  25. The hole to be drilled for tapping is _________ the outside diameter of the thread on the tap.
  26. The grade of grinding wheel depends upon
  27. The tool made of cemented carbide wear out faster at
  28. In which of the following machine, the work remains stationary and the tool is rotated?
  29. In oblique cutting system, the maximum chip thickness
  30. Thread grinding requires work speed from