The hardness of a grinding wheel is specified by

A. Brinell hardness number

B. Rockwell hardness number

C. Vickers pyramid number

D. Letter of alphabet

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

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  1. The operation of smoothing and squaring the surface around a hole is known as
  2. Negative rakes are used for
  3. A drill considered as a cutting tool having zero rake, is known as a
  4. An expendable pattern is used in
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  6. A dynamometer is a device used for the measurement of
  7. Trepanning is an operation of
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  11. The primary purpose of a sprue in a casting mould is to
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  13. A broach has
  14. In gear hobbing
  15. What is the welding defect caused due to improper control and poor removal of slog between passes called?
  16. The trade name of a nonferrous cast alloy composed of cobalt, chromium and tungsten is called
  17. In which type of welding a gas shield, a consumable electrode is used and the welding can be done in…
  18. Dielectric is used in
  19. The hard grade grinding wheels are denoted by the letters
  20. The factor which affects the tool life is
  21. Work speed of circular electrode of 220 mm diameter for carrying out seam welding at 4 welds per cm…
  22. Gears can be best produced on mass production by
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  24. The maximum production of small and slender parts is done by
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  26. The tool made of cemented carbide wear out faster at
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