Crater wear is predominant in

A. Carbon tool steels

B. Tungsten carbide tools

C. High speed steel tools

D. Ceramic tools

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  1. Discontinuous chips are formed during machining of
  2. Dielectric is used in
  3. Flank wear occurs mainly on the
  4. Which of the following statement is correct regarding grinding of high carbon steel?
  5. A single point thread cutting tool should ideally hav
  6. The thrust force will increase with the increase in
  7. A __________ grinding wheel is used to grind soft materials.
  8. The tool material, for faster machining, should have
  9. High speed steel drills can be operated at about _________ the speed of high carbon steel drills.
  10. In abrasive jet machining, as the distance between the nozzle tip and the work surface increases, the…
  11. The abrasive recommended for grinding materials of low tensile strength is
  12. What is the type of welding defect caused due to poor manipulation of weld rod or a dirty joint called?
  13. Friction at the tool-chip interface can be reduced by
  14. Trepanning is an operation of
  15. Lathe bed is made of
  16. The size of a shaper is given by
  17. If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch…
  18. The angle on which the strength of the tool depends is
  19. A lead-screw with half nuts in a lathe, free to rotate in both directions has
  20. Down milling is also called
  21. In up-cut milling the work piece is fed
  22. The width of cutting edge of a parting off tool varies from
  23. Gear lapping is an operation
  24. In machining metals, chips break due to __________ of work material.
  25. In metal cutting operations, the shear angle is the angle made by the shear plane with the
  26. Ultrasonic machining is best suited for
  27. The average cutting speed for turning brass with a high speed steel tool is
  28. The work or surface speed for cylindrical grinding varies from
  29. Gear burnishing is a process for
  30. The ratio between two consecutive spindle speeds for a six-speed drilling machine using drills of diameter…