In order to prevent tool from rubbing the work _________ on tools are provided.

A. Rake angles

B. Relief angles

C. Face angles

D. None of these

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  1. A grinding wheel becomes glazed (i.e. cutting edge takes a glasslike appearance) due to
  2. In electro discharge machining, tool is made of
  3. The cutting tool in a milling machine is mounted on
  4. Which of the following operation is first performed?
  5. The factor considered for evaluation of machinability is
  6. Buffing wheels are made of
  7. If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures,…
  8. The vector sum of cutting velocity and chip velocity is __________ shear velocity.
  9. Segmental chips are formed during machining
  10. A hole is of dimension φ = 9 ₊0⁺⁰⁰¹⁵ mm. The corresponding…
  11. The process of removing metal by a cutter which is rotated in the same direction of travel of workpiece,…
  12. The factor responsible for the formation of continuous chips with built up edge is
  13. The soft grade grinding wheels are denoted by the letters
  14. A twist drill is a
  15. In DC arc welding, if leads are arranged in work as Negative pole of the welding arc and electrode as…
  16. The cutting speed of a drill depends upon the
  17. The lathe spindles are usually made hollow and provided with
  18. In oblique cutting system, the maximum chip thickness
  19. The angle between the face and flank of the single point cutting tool is known as
  20. Carbide tipped tools usually have
  21. For machining a mild steel workpiece using carbide tool, the maximum material will be removed at a temperature…
  22. The effect of setting a boring tool above centre height leads to
  23. Which of the following statement is wrong?
  24. Slow speed of the spindle is necessary in
  25. Volume of a cube of side l and volume of a sphere of radius r are equal. Both the cube and the sphere…
  26. Chemical milling operation is performed
  27. If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch…
  28. When the shear angle is small
  29. Which of the following is the correct data structure for solid models?
  30. In gear hobbing