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Hardness of steel greatly improves with

A. Annealing

B. Cyaniding

C. Normalizing

D. Tempering

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  1. What is the method of brazing used to join relatively small assemblies made from materials that either…
  2. Crater wear leads to
  3. The method of grinding used to produce internal cylindrical holes and tapers, is
  4. The angle between the lathe centres is
  5. Internal gear cutting operation can be performed by
  6. In order to grind soft material
  7. The maximum possible draft in cold rolling of sheet increases with the
  8. The ratio between two consecutive spindle speeds for a six-speed drilling machine using drills of diameter…
  9. The angle between the face and flank of the single point cutting tool is known as
  10. Crater wear is mainly due to the phenomenon known as
  11. A jig is defined as a device which
  12. The factor responsible for the formation of continuous chips with built up edge is
  13. The main purpose of spheroidising treatment is to improve
  14. The swing diameter over the bed is ________ the height of the centre measured from the bed of the lathe.
  15. A drill considered as a cutting tool having zero rake, is known as a
  16. The purpose of jigs and fixtures is to
  17. In orthogonal turning of a low carbon steel bar of diameter 150 mm with uncoated carbide tool, the cutting…
  18. The material property which depends only on the basic crystal structure is
  19. Which among the NC operations given below are continuous path operations? Arc Welding (AW), Drilling…
  20. The cutting speed for drilling aluminium, brass and bronze with high speed steel drills varies from
  21. Crater wear occurs mainly on the
  22. The effective number of lattice points in the unit cell of simple cubic, body centred cubic, and face…
  23. Side rake angle of a single point cutting tool is the angle
  24. A feed gear box for a screw cutting lathe is designed on the basis of
  25. In centreless grinding, work place centre will be
  26. Larger end cutting edge angle _________ tool life.
  27. An operation of embossing a diamond shaped pattern on the surface of a workpiece, is known as
  28. The abrasive slurry used in ultrasonic machining contains fine particles of
  29. A right hand tool on a lathe cuts most efficiently when it travels
  30. Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance…