The trade name of a nonferrous cast alloy composed of cobalt, chromium and tungsten is called

A. Ceramic

B. Stellite

C. Diamond

D. Cemented carbide

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. The ductile materials, during machining, produce
  2. Which of the following statement is correct about hot machining?
  3. In an orthogonal cutting, the depth of cut is halved and the feed rate is double. If the chip thickness…
  4. The stroke of a shaping machine is 250 mm. It makes 30 double strokes per minute. The overall average…
  5. If a gas metal arc process uses a low arc voltage and the arc is continuously interrupted as the molten…
  6. Which of the following parameters influence the axial feed rate in centerless grinding?
  7. Which type of motor is not used in axis or spindle drives of CNC machine tools?
  8. For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
  9. Low helix angle drills are preferred for drilling holes in
  10. The in-feed grinding is used to
  11. Lapping is an operation of
  12. In American Standard Association (A S A) system, if the tool nomenclature is 8-6-5-5-10-15-2 mm, then…
  13. The maximum production of small and slender parts is done by
  14. A mandrel is used to hold
  15. A dense structure of a grinding wheel is used for
  16. The guideways are of
  17. The factor responsible for the formation of continuous chips with built up edge is
  18. Which of the following operations can be performed with milling cutters?
  19. What is the method of brazing used to join relatively small assemblies made from materials that either…
  20. The lathe centres are provided with standard taper known as
  21. The purpose of jigs and fixtures is to
  22. The broaching operation in which either the work or the tool moves across the other, is known as
  23. In machining metals, chips break due to __________ of work material.
  24. In metal machining, the work-tool contact zone is a zone where heat is generated due to
  25. In a shaper, the metal is removed during
  26. The object of caulking in a riveted joint is to make the joint
  27. The operation in which oil is permeated into the pores of a powder metallurgy product is known as
  28. Threading is an operation of
  29. The operation performed on a shaper is
  30. Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance…