The chamfering is an essential operation after

A. Knurling

B. Rough turning

C. Boring

D. Thread cutting

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  1. The soft grade grinding wheels are denoted by the letters
  2. The addition of lead, sulphur and phosphorus to low carbon steels, help to
  3. The type of reamer used for reaming operation in a blind hole, is
  4. In up milling, the thickness of chip is
  5. In electro-discharge machining, dielectric is used to
  6. What type of fusion welding process is used for welding sheet metals of all engineering metals (except…
  7. What is the welding defect caused due to improper control and poor removal of slog between passes called?
  8. The ratio between two consecutive spindle speeds for a six-speed drilling machine using drills of diameter…
  9. In drilling Bakelite and fibrous plastics, the point angle of a drill is
  10. The abrasive slurry used in ultrasonic machining contains fine particles of
  11. In gear hobbing
  12. For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
  13. The grinding of long, slender shafts or bars is usually done by
  14. The actual feed in centerless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions…
  15. In American Standard Association (A S A) system, if the tool nomenclature is 8-6-5-5-10-15-2 mm, then…
  16. The operation performed on a shaper is
  17. It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece.…
  18. In order to grind soft material
  19. In ultrasonic machining, tool is made of
  20. Crater wear occurs mainly on the
  21. In hot machining, tool is made of
  22. Drilling is an example of
  23. The correct sequence of tool materials in increasing order of their ability to retain their hot hardness…
  24. Segmental chips are formed during machining
  25. In oblique cutting system, the cutting edge of the tool
  26. Which of the following statement is correct about nose radius?
  27. The swing diameter over the bed is ________ the height of the centre measured from the bed of the lathe.
  28. The factor responsible for the formation of discontinuous chips is
  29. The tool life in case of a grinding wheel is the time
  30. If a particular Fe-C alloy contains less than 0.83% carbon, it is called