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Gear lapping is an operation

A. After heat treatment

B. Prior to heat treatment

C. For gear reconditioning

D. None of these

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  1. The work or surface speed for cylindrical grinding varies from
  2. Soft materials can not be economically ground due to
  3. An expendable pattern is used in
  4. In oblique cutting of metals, the cutting edge of the tool is
  5. The factor which affects the tool life is
  6. Hot rolling of mild steel is carried out
  7. For fast removal of materials during grinding, a _________ grinding wheel is used.
  8. For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
  9. A grinding wheel is said to be of _________ if it holds the abrasive grains more securely.
  10. The strength of a brazed joint
  11. The maximum production of small and slender parts is done by
  12. Quality screw threads are produced by
  13. With the same tool life, the maximum material per minute is removed by
  14. If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures,…
  15. In hot machining, tool is made of
  16. While current is shut down in the welding circuit, what kind of voltage exists between the output terminals…
  17. The usual value of the point angle of a drill is
  18. Side rake angle of a single point cutting tool is the angle
  19. The lathe spindles are usually made hollow and provided with
  20. What is the welding defect caused due to improper control and poor removal of slog between passes called?
  21. In which of the following milling machine, the table can be tilted in a vertical plane by providing…
  22. The angle formed by the leading edge of the land with a plane having the axis of the drill, is called
  23. In a gating system, the ratio 1: 2: 4 represents
  24. The lip clearance angle is the angle formed by the
  25. Match the items of List-I (Equipment) with the items of List-II (Process) and select the correct answer…
  26. The angle made by the face of the tool and the plane parallel to the base of cutting tool is called
  27. A drill bit of 20 mm diameter rotating at 500 r.p.m. with a feed rate of 0.2 mm/revolution is used to…
  28. Any number of equal divisions can be obtained on milling machine by
  29. The relation between tool life (T) and cutting speed (V) is VTn = Constant. In this relation, the value…
  30. The helix angle of a drill is __________ for drilling brass.