SINGLE POINT CUTTING TOOLS MCQS

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SINGLE POINT CUTTING TOOLS MCQS

SINGLE POINT CUTTING TOOLS MCQS

  1. Which of the following is fastest method of cutting gears ?
  2. (a) milling
    (b) gear shaping
    (c) gear hobbing
    (d) gear burnishing
    (e) all of the above.

    gear hobbing

  3. Hard ferrous metals like steel and cast iron are cut with following medium size grit cut off wheels
  4. (a) Al,O3
    (b) SiC
    (c) diamond grit
    (d) garnet
    (e) boron carbide.

    Al,O3

  5. In grinding operation, for grinding harder material
  6. (a) coarser grain size is used
    (b) fine grain size is used
    (c) medium grain size is used
    (d) any grain size may be used
    (e) none of the above.

    fine grain size is used

  7. Which of the following abrasives will be selected for grinding tool steel and high speed steel?
  8. (a) diamond
    (b) Al,O
    (c) SiC
    (d) boron carbide
    (e) none of the above.

    diamond

  9. Which abrasive particle would you choose for grinding bronze valve bodies ?
  10. (a) silicon carbide
    (b) aluminium oxide
    (c) diamond
    (d) cubic boron nitride
    (e) none of the above.

    none of the above.

  11. Which abrasive particle would you choose for grinding high speed steel tools?
  12. (a) silicon carbide
    (b) aluminium oxide
    (c) diamond
    (d) cubic boron nitride
    (e) none of the above.

    cubic boron nitride

  13. For grinding operation in which heat generation must be kept minimum, the following bond of wheel must be used
  14. (a) resinoid rubber
    (b) silicate
    (c) vitrified
    (d) shellac
    (e) any one of the above.

    silicate

  15. Holes in parts which have been hardened by heat treatment can be finished to accurate size only by
  16. (a) drilling
    (b) boring
    (c) internal grinding
    (d) reaming
    (e) any one of the above.

    internal grinding

  17. Which of the following is an example of snsnag grinding?
  18. (a) removing excess metal on weld
    (b) grin,ding a parting line left on casting
    (c) trimming the surface left by sprues and risers
    (d) removing flash from forgings
    (e) all of the above.

    all of the above.

  19. The grit size of the abrasives used in the grinding wheel is usually specified by the
  20. (a) size of the wheel
    (b) hardness number
    (c) softness or hardness of the abrasive
    (d) refractive index
    (e) mesh number

    mesh number

  21. A grinding wheel gets glazed due to
  22. (a) wear of abrasive grains
    (b) breaking of abrasives
    (c) wear of bond
    (d) sharpening of wheel.
    (e) cracks in wheel

    wear of abrasive grains

  23. In grinding practice, the term “hardness of the wheel or “grade of the wheel” refers to
  24. (a) hardness of the abrasives used
    (b) strength of the bond of the wheel
    (c) finish of the wheel
    (d) hardness of the workpiece
    (e) type of abrasive used.

    strength of the bond of the wheel

  25. Which abrasive particle would you choose for grinding tungsten carbide tool inserts ?
  26. (a) silicon carbide
    (b) aluminium oxide
    (c) diamond
    (d) cubic boron carbide
    (e) none of the above.

    diamond

  27. Which of the following is the natural abrasive?
  28. (a) Al,O
    (b) SiC
    (c) borron-carbide
    (d) corundum
    (e) borolon.

    corundum

  29. Which of the following is the manufactured abrasive?
  30. (a) corundum
    (b) quartz
    (c) emery
    (d) SiC
    (e) diamond.

    SiC

  31. Which abrasive particle would you choose for grinding steel fittings?
  32. (a) silicon carbide
    (b) aluminium oxide
    (c) diamond
    (d) cubic boron nitride
    (e) any one of the above.

    aluminium oxide

  33. Which bond is used in cut off wheels?
  34. (a) rubber
    (b) vitrified
    (c) resinoid
    (d) shellac
    (e) any one of the above.

    rubber

  35. Which of the following abrasives will be used for grinding ceramics?
  36. (a) diamond
    (b) Al,O
    (c) SiC
    (d) boron carbide
    (e) none of the above.

    Al,O

  37. Pick up the incorrect statement about grinding
  38. (a) for cutting soft material, hard wheel is used
    (b) for cutting hard material, hard wheel is used
    (c) for grinding soft material, dry condition 1s required
    (d) for grinding hard material, wet condition is required
    (e) slower wheel speeds cause the wheel to act as if it were harder.

    for cutting hard material, hard wheel is used

  39. Grinding wheel is flooded with coolant in order to
  40. (a) remove heat
    (b) remove chips
    (c) clean the job
    (d) clean the wheel1
    (e) clean the machine.

    remove heat

  41. Hardness of grinding wheel is determined by
  42. (a) the resistance exerted by the bond against grinding stress
    (b) hardness of abrasive grains
    (c) hardness of bond
    (d) its ability to penetration
    (e) its ability to work without scratches.

    the resistance exerted by the bond against grinding stress

  43. The process of improving cutting action of grinding wheel is called
  44. (a) turning operation
    (b) dressing operation
    (c) facing operation
    (d) cutting operation
    (e) clearing operation.

    dressing operation

  45. In cylindrical grinding operations, the work compared to grinding wheel is always rotated
  46. (a) at a much slower speed
    (b) at a much faster speed
    (c) at 100 rpm more
    (d) at the same speed
    (e) there is no such correlationship.

    at a much slower speed

  47. Pick up the wrong statement
  48. (a) for grinding hard as well as brittle materials, fine grained grinding wheel is used
    (b) for grinding metal at fast rate, coarse grained wheel is used
    (c) for grinding hard materials, soft grade is used and vice versa
    (d) for grinding soft material, fine grain is used
    (e) for grinding soft and ductile materials, coarse grained wheel is used.

    for grinding soft material, fine grain is used

  49. A slight taper on the full length of a long shaft mounted between centres on a universal cylindrical grinder, can be ground by
  50. (a) off setting the tail stock
    (b) swivelling the table on its base
    (c) swivelling the wheel head
    (d) swivelling the workpiece
    (e) taper turning attachment.

    swivelling the wheel head

  51. What kind of abrasive cut-off wheel should be used to cut concrete, stone and masonry ?
  52. (a) SiC
    (b) Al,O
    (c) diamond grit
    (d) garnet
    (e) glass.

    diamond grit

  53. Aluminium oxide wheel would be selected for grinding
  54. (a) cast iron
    (b) cemented carbide
    (c) HISS
    (d) ceramic materials
    (e) all of the above.

    HISS

  55. The grit, grade and structure of grinding wheels for specihc operations are based on
  56. (a) grinder clearance
    (b) spindle size of the grinder
    (c) diameter of wheel
    (d) speed at which the wheel is to be used
    (e) thickness of wheel.

    speed at which the wheel is to be used

  57. When it is required to run a grinding wheel safely at very high speed, following bond should be used
  58. (a) shellac
    (b) vitrified
    (c) resinoid and rubber
    (d) silicate
    (e) any one of the above.

    resinoid and rubber

  59. In grinding operation, for grinding softer material
  60. (a) softer grade is used
    (b) high grade is used
    (c) medium grade is used
    (d) any grade may be used
    (e) none of the above.

    high grade is used

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Cover Topic

“cutting tools uses”,”diagram of cutting tools”,”multi point cutting tool”

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