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Glazing in grinding wheels can be decreased by

A. Using a harder wheel or by increasing the wheel speed

B. Using a softer wheel or by decreasing the wheel speed

C. Using a harder wheel or by decreasing the wheel speed

D. Using a softer wheel or by increasing the wheel speed

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  1. In electro-discharge machining, dielectric is used to
  2. In determining the various forces on the chip, Merchant assumed that the
  3. Cutting fluids are used to
  4. The cutting speed for counter-boring should be _________ that of drilling operation.
  5. Side relief angle of a single point tool is the angle
  6. The depth of cut in drilling is __________ the drill diameter.
  7. The angle between the shear plane and __________ is called shear angle.
  8. A __________ grinding wheel is used to grind soft materials.
  9. Down milling is also called
  10. Calculate the weld per minute, work speed of circular electrode of 220 mm diameter for carrying out…
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  12. In hot machining, the work is heated by
  13. Surface grinding is done to produce
  14. The size of abrasive grain required in a grinding wheel depends upon the
  15. Drilling is an example of
  16. The machining of titanium is difficult due to
  17. The cutting speed for drilling aluminium, brass and bronze with carbon steel drills is _________ cutting…
  18. Crater wear occurs mainly on the
  19. In metal machining, the work-tool contact zone is a zone where heat is generated due to
  20. The angle on which the strength of the tool depends is
  21. Which type of motor is not used in axis or spindle drives of CNC machine tools?
  22. What is the welding defect caused due to improper control and poor removal of slog between passes called?
  23. The lathe spindles are usually made hollow and provided with
  24. In order to achieve a specific surface finish in single point turning, the most important factor to…
  25. Which of the following statement is wrong about ultrasonic machining?
  26. What type of fusion welding process is used for welding sheet metals of all engineering metals (except…
  27. Thread grinding requires work speed from
  28. The lead screw of a lathe has _________ threads.
  29. The broaching operation in which either the work or the tool moves across the other, is known as
  30. Which of the following engineering materials is the most suitable candidate for hot chamber die casting?