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The mode of deformation of the metal during spinning is

A. Bending

B. Stretching

C. Rolling and stretching

D. Bending and stretching

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  1. In arc welding, the electric arc is produced between the work and the electrode by
  2. The binder commonly used in making oil sand, is
  3. According to Indian standards, the total numbers of tolerance grades are
  4. Sand wash is a casting defect which
  5. The brass and bronze are welded by _________ flame.
  6. V-block is used to
  7. Neutral flame is used to weld
  8. In a compound die
  9. In spot welding, the spacing between two spot weld should not be less than
  10. The surface to be left unmachined is marked on the pattern by
  11. The adhesiveness is the property of sand due to which
  12. The increase in hardness due to cold working, is called
  13. The current in electric resistance welding can be regulated by
  14. When the file is moved to and fro over the work, it is known as
  15. Cores are used to
  16. If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then…
  17. When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is…
  18. Which of the following welding process uses non-consumable electrodes?
  19. In spot welding, the distance between the nearest edge of the plate and centre of weld should be equal…
  20. A casting defect which results in general enlargement of a casting is known as
  21. The most preferred process for casting gas turbine blades is
  22. The temperature produced by oxy-hydrogen flame is about
  23. The width of slot cut by a hacksaw blade is _______ the width of the blade.
  24. The flux commonly used in brazing is
  25. The accuracy of micrometers, calipers, dial indicators can be checked by a
  26. Thread rolling is restricted to
  27. Shift is a casting defect which
  28. The type of file used for a wood work is
  29. The tolerance produced by shell moulding process of casting is
  30. The metal is subjected to mechanical working for