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The addition of lead, sulphur and phosphorus to low carbon steels, help to

A. Reduce built up edge

B. Break up chips

C. Improve machinability

D. All of these

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  1. A feed gear box for a screw cutting lathe is designed on the basis of
  2. The process of improving the cutting action of the grinding wheel is called
  3. Flank wear occurs mainly on the
  4. The size of a shaper is given by
  5. Trepanning is performed for
  6. In lapping operation, the amount of metal removed is
  7. The factor considered for evaluation of machinability is
  8. The addition of lead, sulphur and phosphorus to low carbon steels, help to
  9. In metal cutting operations, the shear angle is the angle made by the shear plane with the
  10. In transverse grinding
  11. A better machinable metal is one which gives
  12. Lathe bed is made of
  13. The shear velocity is the velocity of
  14. While cutting helical gears on a non-differential gear hobber, the feed change gear ratio is
  15. In a centre lathe, the cutting tool is fed in _________ with reference to the lathe axis.
  16. Threading is an operation of
  17. The lip angle of a single point tool is usually
  18. The cutting angle of a flat drill varies from
  19. The grinding of long, slender shafts or bars is usually done by
  20. During normalizing process of steel, the specimen is heated
  21. Hardness of steel greatly improves with
  22. The point angle of a drill, for drilling stainless steel, is
  23. A fixture is defined as a device which
  24. In up milling, the thickness of chip is
  25. Cold working of steel is defined as working
  26. The work or surface speed for cylindrical grinding varies from
  27. An operation of embossing a diamond shaped pattern on the surface of a workpiece, is known as
  28. The advantage of a broaching operation is that
  29. Which of the following engineering materials is the most suitable candidate for hot chamber die casting?
  30. Calculate the weld per minute, work speed of circular electrode of 220 mm diameter for carrying out…