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

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

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

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

   A.Sand

   B.Gravel

   C.Copper oxide

   D.Aluminium oxide

   E.Diamond

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

   A.15^o

   B.10^o

   C.5^o

   D.0^o

   E.None of the above

< 1 2 3 4 5 6 7 8 Next>