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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  1. Quality screw threads are produced by
  2. Low helix angle drills are preferred for drilling holes in
  3. When 3-2-1 principle is used to support and locate a three dimensional work-piece during machining,…
  4. Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance…
  5. The silicon carbide abrasive is chiefly used for grinding
  6. For machining a mild steel workpiece using carbide tool, the maximum material will be removed at a temperature…
  7. In orthogonal turning of a low carbon steel bar of diameter 150 mm with uncoated carbide tool, the cutting…
  8. What is the type of shielding gas for GTAW (Gas Tungsten Arc Welding) used for carbon steels only called?
  9. A better machinable metal is one which gives
  10. Cast iron during machining produces
  11. Side rake angle of a single point cutting tool is the angle
  12. A mandrel is used to hold
  13. The maximum possible draft in cold rolling of sheet increases with the
  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?
  21. Glazing in grinding wheels __________ cutting capacity.
  22. A twist drill is specified by its
  23. The surface finish is improved by the increase in
  24. An open structure of a grinding wheel is used for
  25. Crater wear occurs mainly on the
  26. The abrasive recommended for grinding materials of low tensile strength is
  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
  30. The chuck used for setting up of heavy and irregular shaped work should be