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Tool life is measured by the

A. Number of pieces machined between tool sharpenings

B. Time the tool is in contact with the job

C. Volume of material removed between tool sharpenings

D. All of the above

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  2. The factor responsible for the formation of continuous chips with built up edge is
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  16. In DC arc welding, if leads are arranged in work as Negative pole of the welding arc and electrode as…
  17. Glazing in grinding wheels takes place when the
  18. The increase in depth of cut and feed rate __________ surface finish.
  19. Quality screw threads are produced by
  20. In which of the following machine, the work rotates and the tool is stationary?
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  27. The high cutting speed and large rake angle of the tool will result in the formation of
  28. A process of removing metal by pushing or pulling a cutting tool is called
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  30. The grade of grinding wheel depends upon