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The increase in depth of cut and feed rate __________ surface finish.

A. Improves

B. Deteriorates

C. Does not effect

D. None of these

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  4. Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance…
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  7. In orthogonal turning of a low carbon steel bar of diameter 150 mm with uncoated carbide tool, the cutting…
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  12. A mandrel is used to hold
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  14. In hot machining, the work is heated by
  15. Segmental chips are formed during machining
  16. Hard and tough materials like cast iron should be turned at
  17. If a gas metal arc process uses a low arc voltage and the arc is continuously interrupted as the molten…
  18. The mechanism of material removal in EDM process is
  19. A feed gear box for a screw cutting lathe is designed on the basis of
  20. Which of the following operations can be performed with milling cutters?
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  22. A twist drill is specified by its
  23. The surface finish is improved by the increase in
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  27. With the same tool life, the maximum material per minute is removed by
  28. When the shear angle is large
  29. The operation of making a cone-shaped enlargement of the end of a hole is known as
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