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For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is

A. 5 m/min

B. 10 m/min

C. 15 m/min

D. 30 m/min

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  3. The tool made of cemented carbide wear out faster at
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  11. Allowance in limits and fits refers to
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  13. In gear hobbing
  14. The carbide tools operating at very low cutting speeds (below 30 m/min)
  15. The tailstock set over required to turn a taper on the entire length of a workpiece having diameters…
  16. The process of changing the shape of grinding wheel as it becomes worn due to breaking away of the abrasive…
  17. When 3-2-1 principle is used to support and locate a three dimensional work-piece during machining,…
  18. The common welding error that occurs due to shrinkage of weld metal, faulty clamping of parts, faulty…
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  22. Any number of equal divisions can be obtained on milling machine by
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  24. The snag grinding is done
  25. High speed steel tools retain their hardness upto a temperature of
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  27. The material property which depends only on the basic crystal structure is
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