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In metal machining, the zone where the maximum heat is generated due to the plastic deformation of metal, is called

A. Friction zone

B. Work-tool contact zone

C. Shear zone

D. None of these

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

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  1. Ceramic tools are fixed to tool body by
  2. Which of the following statement is incorrect with reference of lathe cutting tools?
  3. Which of the following statement is correct as regard to up milling?
  4. Gear lapping is an operation
  5. Negative rakes are used for
  6. The tool life in case of a grinding wheel is the time
  7. A mandrel is used to hold
  8. Which one of the following is a solid state joining process?
  9. What is the type of welding defect is caused due to stresses on heating and cooling called?
  10. Which of the following statement is correct for oblique cutting system?
  11. Glazing in grinding wheels takes place when the
  12. Threading is an operation of
  13. The drill spindles are provided with standard taper known as
  14. In a particular type of welding, flux is prepared in the form of a coarse powder and granulated flux…
  15. In up milling, the thickness of chip is
  16. The point angle of a drill, for drilling stainless steel, is
  17. For harder alloy steel, the point angle of the drill is kept
  18. The tap used to cut threads in a blind hole is
  19. When two main plates are kept in alignment butting each other and riveted with cover plate on both sides…
  20. In machining metals, chips break due to __________ of work material.
  21. Slow speed of the spindle is necessary in
  22. A grinding wheel is said to be of _________ if it holds the abrasive grains more securely.
  23. Cast iron during machining produces
  24. Down milling is also called
  25. The method of grinding used to produce internal cylindrical holes and tapers, is
  26. A fine grained grinding wheel is used to grind
  27. Any number of equal divisions can be obtained on milling machine by
  28. In plunge grinding
  29. In drilling operation, the metal is removed by
  30. Crater wear is predominant in