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Stellite preserves hardness upto a temperature of

A. 350°C

B. 500°C

C. 900°C

D. 1100°C

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  2. The actual feed in centerless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions…
  3. The shear velocity is the velocity of
  4. Gear lapping is an operation
  5. In a milling operation, two side milling cutters are mounted with a desired distance between them so…
  6. What is the welding defect caused due to improper control and poor removal of slog between passes called?
  7. The main purpose of a boring operation, as compared to drilling, is to
  8. Chemical milling operation is performed
  9. In up-cut milling the work piece is fed
  10. Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance…
  11. The enlarging of an existing circular hole with a rotating single point tool is called
  12. In hot machining, tool is made of
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  14. In centreless grinding, the surface speed of regulating wheel is
  15. The relation between tool life (T) and cutting speed (V) is VTn = Constant. In this relation, the value…
  16. A hole is of dimension φ = 9 ₊0⁺⁰⁰¹⁵ mm. The corresponding…
  17. The angle made by the face of the tool and the plane parallel to the base of cutting tool is called
  18. High speed steel tools retain their hardness upto a temperature of
  19. NC contouring is an example of
  20. A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen…
  21. The chamfering is an operation of
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  23. The type of reamer used for reaming operation in a blind hole, is
  24. Low helix angle drills are preferred for drilling holes in
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  26. In which of the following milling machine, the table can be tilted in a vertical plane by providing…
  27. Crater wear occurs mainly on the
  28. Lathe bed is made of
  29. Which of the following statement is correct for orthogonal cutting system?
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