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The process of changing the shape of grinding wheel as it becomes worn due to breaking away of the abrasive and bond, is called

A. Truing

B. Dressing

C. Facing

D. Clearing

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  1. In order to obtain a surface finish in the range of 0.75 μm to 1.25 μm , the operation used…
  2. A lead-screw with half nuts in a lathe, free to rotate in both directions has
  3. The lip angle of a single point tool is usually
  4. The angle on which the strength of the tool depends is
  5. The cutting speed of a drill depends upon the
  6. The crystal structure of austenite is
  7. The hardness of a grinding wheel is determined by the
  8. The depth of cut in drilling is __________ the drill diameter.
  9. The type of tool used on milling machine and broaching machine is
  10. What type of fusion welding process is used for welding sheet metals of all engineering metals (except…
  11. Trepanning is performed for
  12. Crater wear leads to
  13. The structure of a grinding wheel depends upon
  14. If a particular Fe-C alloy contains less than 0.83% carbon, it is called
  15. The tail stock set over method of taper turning is preferred for
  16. What is the welding defect caused due to improper control and poor removal of slog between passes called?
  17. In a plain milling cutter, the chip space between the back of one tooth and the face of the next tooth…
  18. The angle between the shear plane and __________ is called shear angle.
  19. Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the…
  20. NC contouring is an example of
  21. In hot machining, tool is made of
  22. In a single point turning operation with a cemented carbide and steel combination having a Taylor exponent…
  23. In metal machining, the zone where the heat is generated due to friction between the moving chip and…
  24. The mechanism of material removal in EDM process is
  25. In an interchangeable assembly, shafts of size 25.000 -0.0100⁺⁰⁰⁴⁰…
  26. In metal machining, the work-tool contact zone is a zone where heat is generated due to
  27. The aluminium oxide abrasive is chiefly used for grinding
  28. The vector sum of cutting velocity and chip velocity is __________ shear velocity.
  29. The common welding error that occurs due to wrong speed, faulty preparation, and high / low current,…
  30. Which of the following statement is incorrect with reference of lathe cutting tools?