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Crater wear leads to

A. Increase in cutting temperature

B. Weakening of tool

C. Friction and cutting forces

D. All of these

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  1. The chuck used for setting up of heavy and irregular shaped work should be
  2. In an interchangeable assembly, shafts of size 25.000 -0.010⁺⁰⁰⁴⁰…
  3. Discontinuous chips are formed during machining of
  4. Which one among the following welding processes uses nonconsumable electrode?
  5. The maximum possible draft in cold rolling of sheet increases with the
  6. In centreless grinders, the regulating wheel is inclined at
  7. Fixtures are used
  8. Which of the following operations can be performed with milling cutters?
  9. For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
  10. For turning internal tapers, the suitable method is
  11. The ductile materials, during machining, produce
  12. Glazing in grinding wheels can be decreased by
  13. The obtuse angle, included between the chisel edge and the lip as viewed from the end of a drill, is…
  14. The tool life is said to be over if
  15. A grinding wheel is said to be of _________ if it holds the abrasive grains more securely.
  16. Which of the following statement is correct for orthogonal cutting system?
  17. In centre less grinders, the maximum angular adjustment of the regulating wheel is
  18. In order to grind soft material
  19. The cutting speed for counter-boring should be _________ that of drilling operation.
  20. Larger than 15° side cutting edge angle
  21. When the cutting edge of the tool is dull, then during machining
  22. The lathe centres are provided with standard taper known as
  23. The lip clearance angle is the angle formed by the
  24. Crater wear leads to
  25. When 3-2-1 principle is used to support and locate a three dimensional work-piece during machining,…
  26. Gear burnishing is a process for
  27. The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent,…
  28. The cutting force in up milling __________ per tooth movement of the cutter.
  29. It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece.…
  30. The lathe spindles are usually made hollow and provided with