The cutting speed of a drill depends upon the

A. Material of drill

B. Type of material to be drilled

C. Quality of surface finish desired

D. All of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Which among the NC operations given below are continuous path operations? Arc Welding (AW), Drilling…
  2. The angle between the face and flank of the single point cutting tool is known as
  3. A process of removing metal by pushing or pulling a cutting tool is called
  4. The saw milling is an operation of
  5. With the same tool life, the maximum material per minute is removed by
  6. While current is shut down in the welding circuit, what kind of voltage exists between the output terminals…
  7. A lead-screw with half nuts in a lathe, free to rotate in both directions has
  8. The depth of cut in drilling is __________ the drill diameter.
  9. The taper on the lathe spindle is
  10. The factor responsible for the formation of discontinuous chips is
  11. Glazing in grinding wheels takes place when the
  12. The grinding of long, slender shafts or bars is usually done by
  13. In reaming process
  14. Surface grinding is done to produce
  15. The method of grinding used to produce internal cylindrical holes and tapers, is
  16. In electro discharge machining, tool is made of
  17. Cutting fluids are used to
  18. The lip clearance angle is the angle formed by the
  19. Crater wear leads to
  20. The average cutting speed for turning brass with a high speed steel tool is
  21. A grinding wheel is said to be of _________ if it holds the abrasive grains more securely.
  22. Hardness of green sand mould increases with
  23. Larger end cutting edge angle _________ tool life.
  24. The main purpose of spheroidising treatment is to improve
  25. Threading is an operation of
  26. An open structure of a grinding wheel is used for
  27. The floating position of the holding fixture in a rotary transfer device is used to
  28. The effect of setting a boring tool above centre height leads to
  29. The factor responsible for the formation of continuous chips with built up edge is
  30. In down milling, the thickness of chip is