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Cold working of steel is defined as working

A. At its recrystallisation temperature

B. Above its recrystallisation temperature

C. Below its recrystallisation temperature

D. At two thirds of the melting temperature of the metal

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  1. High speed steel cutting tools operate at cutting speeds _________ than carbon steel tools.
  2. The rear teeth of a broach
  3. In order to grind soft material
  4. EDM machining is applied for
  5. The maximum production of small and slender parts is done by
  6. Shrinkage allowance on pattern is provided to compensate for shrinkage when
  7. The grinding operation is a
  8. In a CNC program block, N002 GO2 G91 X40 Z40......, GO2 and G91 refer to
  9. Ceramic cutting tools are
  10. When the shear angle is small
  11. As the cutting speed increases, the tool cutting forces
  12. The cutting speed for counter-boring should be _________ that of drilling operation.
  13. A broach has
  14. Internal gear cutting operation can be performed by
  15. The machining of titanium is difficult due to
  16. The ratio between two consecutive spindle speeds for a six-speed drilling machine using drills of diameter…
  17. If a gas metal arc process uses a low arc voltage and the arc is continuously interrupted as the molten…
  18. The angle formed by the leading edge of the land with a plane having the axis of the drill, is called
  19. Friction at the tool-chip interface can be reduced by
  20. If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures,…
  21. Volume of a cube of side l and volume of a sphere of radius r are equal. Both the cube and the sphere…
  22. The shear velocity is the velocity of
  23. An expendable pattern is used in
  24. The swing diameter over the bed is ________ the height of the centre measured from the bed of the lathe.
  25. The effect of setting a boring tool above centre height leads to
  26. When two main plates are kept in alignment butting each other and riveted with cover plate on both sides…
  27. The drill spindles are provided with standard taper known as
  28. What is the name of the device used in arc welding circuits for the purpose of modifying the rate of…
  29. The velocity of tool along the tool face is known as
  30. The size of a shaper is given by