Multiple Choice Questions On Machine Tool


31. Tool life is most affected by machine.......


   A.Cutting speed

   B.Tool geometry

   C.Feed and depth

   D.Microstracture of material being cut

   E.Not using coolant and lubricant


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A.Cutting speed

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32. Tool life is said to be over if.......


   A.A poor surface finish is obtained

   B.Sudden increase in power and cutting force with chattering take place

   C.Overheating and funning due to friction start

   D.All of the above

   E.None of the above


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D.All of the above

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33. Sanding is a process of removing metal surfaces or wood fibres by.........


   A.Filling

   B.Sawing

   C.Cutting

   D.Planning

   E.None of the above


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C.Cutting

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34. Sanding belts are made of cloth, coated with various grades of......


   A.Sand

   B.Gravel

   C.Copper oxide

   D.Aluminium oxide

   E.Diamond


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D.Aluminium oxide

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35. The front rake required to machine brass by H.S.S. tool is.......


   A.15o

   B.10o

   C.5o

   D.0o

   E.None of the above


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D.0o

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