INDUSTRIAL ENGINEERING – BROACHING AND GRINDING MCQS

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INDUSTRIAL ENGINEERING – BROACHING AND GRINDING MCQS

BROACHING AND GRINDING MCQS

  1. Side relief angle of a single point tool is the angle
  2. (a) by which the face of the tool is inclined sideways
    (b) by which the face of the tool is inclined towards back
    (c) between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base
    (d) between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of the tool
    (e) none of the above.

    between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of the tool

  3. A left hand tool on lathe is used for turning in the direction
  4. (a) from right to left
    (b) from left to right
    (c) across the bed
    (d) in angular position on compound slide
    (e) any direction.

    from left to right

  5. Counterboring is the operation of
  6. (a) enlarging the end of a hole cylindrically
    (b) cone-shaped enlargement of the end of a hole
    (c) smoothing and squaring the surface around a hole
    (d) sizing and finishing a hole
    (e) none of the above.

    enlarging the end of a hole cylindrically

  7. Power requirement, with increase in cutting speed
  8. (a) more or less remains constant
    (b) decreases linearly
    (c) increases linearly
    (d) none of the above.
    (e) unpredictable

    increases linearly

  9. It is required to divide a surface into six equal parts using Brown and Sharpe dividing headIndex handle should be rotated by
  10. (a) 6 turns
    (b) 6 turns
    (c) 6 turns
    (d) 1/6 turns
    (e) none of the above.

    6 turns

  11. Heavy speed shafts to be turned by carbide tools on centre lathe must be supported in
  12. (a) 4-jaw chuck
    (b) 3-jaw chuck
    (c) steady rest
    (d) live centre
    (e) collet.

    4-jaw chuck

  13. It is required to index 119 divisionsIt can be done by
  14. (a) direct indexing
    (b) simple indexing
    (c) compound indexing
    (d) differential indexing
    (e) any one of the above

    differential indexing

  15. One of the important parameters of lathe specification is
  16. (a) swing over tool bed
    (b) swing over tool post
    (c) distance between centres
    (d) horse power
    (e) bed length.

    swing over tool bed

  17. A quill is a
  18. (a) tool holding device
    (b) work clamping device
    (c) tool used for milling operation
    (d) device used in heat treatment operation
    (e) steel tube in the head of some machine tools that enclose the bearings of rotating spindles on which are mounted the cutting tools.

    tool holding device

  19. The different speeds on a lathe are provided in
  20. (a) arithmetical progression
    (b) harmonical progression
    (c) geometrical progression
    (d) any one of the above
    (e) none of the above.

    geometrical progression

  21. Centring can be done most accurately on
  22. (a) four jaw chuck
    (b) three jaw chuck
    (c) collet chuck
    (d) magnetie chuck
    (e) all of the above.

    four jaw chuck

  23. Small sized cylindrical jobs on engine lathe are held in
  24. (a) three jaw chuck
    (b) four jaw chuck
    (c) lathe dog
    (d) mandrel
    (e) collet.

    collet.

  25. In gang milling
  26. (a) several jobs can be performed in one set up
    (b) one job is completed on several milling machines located together
    (c) two or more cutters are mounted on the arbor and all of them remove the metal simultaneously
    (d) all of the above
    (e) none of the above.

    two or more cutters are mounted on the arbor and all of them remove the metal simultaneously

  27. Spot facing is the operation of
  28. (a) enlarging the end of a hole cylindrically
    (b) cone-shaped enlargement of the end of a hole
    (c) smoothing and squaring the surface around a hole
    (d) sizing and finishing a hole
    (e) none of the above.

    smoothing and squaring the surface around a hole

  29. Trepanning operation is performed for
  30. (a) finishing a drilled hole
    (b) truing a hole for alignment
    (c) producing large hole
    (d) sizing a small hole
    (e) none of the above.

    producing large hole

  31. A T-slot is milled in a
  32. (a) single operation
    (b) two operations
    (c) three operations
    (d) four operations
    (e) none of the above.

    two operations

  33. End mills designed for cutting aluminium have
  34. (a) fast helix angle
    (b) highly polished flutes
    (c) highly polished cutting edges
    (d) all of the above
    (e) none of the above.

    all of the above

  35. The part of the back of tooth adjacent to the cutting edge which is relieved to avoid interference between the surface being machined and the cutter is called
  36. (a) land
    (b) fillet
    (c) face
    (d) cutting edge
    (e) relief angle.

    land

  37. The centre of an existing hole is located
  38. (a) by calipers
    (b) by hit and trial
    (c) using dividing head
    (d) with a dial indicator mounted in the nachine spindle
    (e) not possible.

    with a dial indicator mounted in the nachine spindle

  39. When locating a number ot positions on a wol piece, the backlash in the machine screws can be eliminated by
  40. (a) using new screw
    (b) backlash device
    (c) positioning the workpiece always from tho same direction
    (d) first taking it forward and then backward
    (e) not possible.

    positioning the workpiece always from tho same direction

  41. Drill press size is determined by
  42. (a) the largest drill that will fit the machine
    (b) the largest piece of work that will fit on the drill table
    (c) the largest diameter work that can be drilled on centre
    (d) none of the above.
    (e) size of table

    none of the above.

  43. When a workpiece requires several operations such as drilling, counter-boring, reaming etc., the following machine should be used
  44. (a) radial drilling machine
    (b) multispindle drilling machine
    (c) hand drilling machine
    (d) gang-drilling machine
    (e) none of the above.

    gang-drilling machine

  45. Counter-sinking is the operation of
  46. (a) enlarging the end of a hole cylindrically
    (b) cone-shaped enlargement of the end of a hole
    (c) smoothing and squaring the surface around hole
    (d) sizing and finishing a hole
    (e) none of the above.

    cone-shaped enlargement of the end of a hole

  47. For fast metal removal rate on lathe, it is recommended to
  48. (a) increase speed
    (b) use hot machining
    (c) use carbide tool
    (d) use abundant supply of coolant
    (e) use roughing cut

    use roughing cut

  49. Segmented chips are formed when machining
  50. (a) ductile metal
    (b) brittle material
    (c) heat treated material
    (d) with lot of pressure and heat against the tool
    (e) none of the above.

    brittle material

  51. Machinability
  52. (a) tends to increase with increase in hardness
    (b) tends to decrease with increase in hardness
    (c) remains unaffected with hardness
    (d) (b) is correct in general, but it can be drastically influenced by strain hardening and micro structure
    (e) none of the above.

    (b) is correct in general, but it can be drastically influenced by strain hardening and micro structure

  53. Machinability depends on physical1
  54. (a) microstructure, mechanical and properties and composition of workpiece material
    (b) cutting forces
    (c) type of chip
    (d) tool life
    (e) profile of workpiece.

    microstructure, mechanical and properties and composition of workpiece material

  55. Machinability tends to decrease with
  56. (a) increase in hardness and increase in tensile strength
    (b) increase in strain hardening tendencies
    (c) increase in carbon content, hard oxide and carbide
    (d) decrease in grain-size
    (e) all of the above.

    increase in strain hardening tendencies

  57. Machinability can be calculated and predicted by following factor
  58. (a) brinell hardness
    (b) tensile strength
    (c) shear angle
    (d) all of the above
    (e) none of the above.

    all of the above

  59. Ideal chip is
  60. (a) heavy continuous chip
    (b) lighter continuous chip
    (c) tightly curled continuous chip
    (d) short, broken one in the shape of ‘figure 9’ chip
    (e) none of the above.

    short, broken one in the shape of ‘figure 9’ chip

Related Posts:
Cover Topic

“broaching tool set”,”grinding process”,”surface grinding process”

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