In centreless grinding, the surface speed of regulating wheel is

A. 5 to 15 m/min

B. 15 to 60 m/min

C. 60 to 90 m/min

D. 90 to 120 m/min

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  1. The type of tool used on lathe, shaper and planer is
  2. The process of changing the shape of grinding wheel as it becomes worn due to breaking away of the abrasive…
  3. In _________ operation, the cutting force is maximum when the tooth begins its cut and reduces it to…
  4. Trepanning is performed for
  5. The average cutting speed for turning mild steel with a high speed steel tool is
  6. The hard grade grinding wheels are denoted by the letters
  7. For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is
  8. The aluminium oxide abrasive is chiefly used for grinding
  9. The cutting speed for drilling aluminium, brass and bronze with carbon steel drills is _________ cutting…
  10. The chuck used for setting up of heavy and irregular shaped work should be
  11. A coarse grained grinding wheel is used to grind
  12. The snag grinding is done
  13. The angle on which the strength of the tool depends is
  14. The size of a shaper is given by
  15. Which of the following parameters influence the axial feed rate in centerless grinding?
  16. Flank wear occurs mainly on the
  17. In an orthogonal cutting, the depth of cut is halved and the feed rate is double. If the chip thickness…
  18. The lip angle of a single point tool is usually
  19. In which of the following machine, the work remains stationary and the tool is rotated?
  20. Climb milling is chosen while machining because
  21. Soft materials can not be economically ground due to
  22. The factor responsible for the formation of discontinuous chips is
  23. The method of grinding used to produce internal cylindrical holes and tapers, is
  24. A __________ grinding wheel is used to grind soft materials.
  25. In drilling aluminium, a drill with
  26. The cutting tool in a milling machine is mounted on
  27. In metal cutting, use of low feeds and high cutting speeds is desired when the objective is
  28. A fixture is defined as a device which
  29. The lip angle is the angle
  30. Thread grinding requires work speed from