ULTRASONIC MACHINING MCQS

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ULTRASONIC MACHINING MCQS

ULTRASONIC MACHINING MCQS

  1. Optical gauge work on the principle of
  2. (a) reflection
    (b) refraction
    (c) polarisation
    (d) dispersion
    (e) interference of light rays.

    interference of light rays.

  3. Millimeter scale in a micrometer is marked on
  4. (a) thimble
    (b) barrel
    (c) anvil
    (d) spindle
    (e) ratchet.

    barrel

  5. Circular scale of the micrometer is marked on
  6. (a) barrel
    (b) anvil
    (c) thimble
    (d) ratchet
    (e) spindle.

    thimble

  7. The following type of gauge has gauging sections combined on one end
  8. (a) limit gauge
    (b) combination gauge
    (c) Go and No Go gauge
    (d) fixed gauge
    (e) progressive gauge.

    progressive gauge.

  9. Gear tooth vernier is used to measure
  10. (a) depth of tooth
    (b) circular pitch
    (c) tooth thickness
    (d) addendum and dedendum
    (e) pitch line thickness of tooth.

    pitch line thickness of tooth.

  11. Error of measuring equipment is
  12. (a) the closeness with which a measurement can be read directly from a measuring instrument
    (b) a measure of how close the reading is to the true size
    (c) the difference between measured value and actual value
    (d) the smallest change in measurand that can be measured
    (e) the capability to indicate the same reading again and again for a given measurand

    the difference between measured value and actual value

  13. The two slip gauges in precision measurement are joined by
  14. (a) sliding
    (b) assembling
    (c) wringing
    (d) adhesion
    (e) slipping

    wringing

  15. Plug gauges are used to
  16. (a) measure the diameter of the workpieces
    (b) measure the diameter of the holes in the workpieces
    (c) check the diameter of the holes in the workpieces
    (d) check the length of the holes in the workpieces
    (e) check the outside diameter of workpieces.

    check the diameter of the holes in the workpieces

  17. The term “allowance” in limits and fits is usually referred to
  18. (a) minimum clearance between shaft and hole
    (b) maximum clearance between shaft and hole
    (c) difference of tolerances of hole and shaft and size
    (d) difference between maximum minimum size of the hole and maximum
    (e) difference between S1ze minimum size of the shaft.

    minimum clearance between shaft and hole

  19. Sensitivity of measuring equipmentis
  20. (a) the closeness with which a measurement can be read directly from a measuring instrument
    (b) a measure of how close the reading is to the true size
    (c) the difference between measured value and actual value
    (d) the smallest change in measurand that can be measured
    (e) the capability to indicate the same reading again and again for a given measurand

    the smallest change in measurand that can be measured

  21. Expressinga dimension as 25.3+0.05 mm is the case of
  22. (a) unilateral tolerance
    (b) bilateral tolerance
    (c) limiting dimensions
    (d) all of the above
    (e) none of the above.

    bilateral tolerance

  23. Surface roughness on a drawing is represented by
  24. (a) triangles
    (b) circles
    (c) squares
    (d) rectangles
    (e) none of the above.

    triangles

  25. Noof taps generally used in tapping by hand is
  26. (a) one
    (b) two
    (c) four
    (d) three
    (e) more than three depending on the finish desired32.5

    three

  27. Expressing a dimension as mm is the case of 32.3
  28. (a) unilateral tolerance
    (b) bilateral tolerance
    (c) limiting dimension
    (d) all of the above
    (e) none of the above.

    limiting dimension

  29. A bore of 14.67 mm in a workpiece can be measured by
  30. (a) steel rule
    (b) vernier caliper
    (c) pneumatic gauge
    (d) micrometer
    (e) plug gauge.

    micrometer

  31. Ceramic tool inserts are fixed to tool holder by following process
  32. (a) brazing
    (b) soldering
    (c) welding
    (d) clamping
    (e) casting.

    brazing

  33. Sintering is used for
  34. (a) fixing tool inserts on tool holders
    (b) manufacturing cutting tools
    (c) heating the powdered metal below its point
    (d) manufacturing powdered metal
    (e) casting.

    heating the powdered metal below its point

  35. In banking operation, the force on punch de, upon
  36. (a) clearance
    (b) sheet thickness
    (c) all of the above
    (d) diameter of punch
    (e) none of the above.

    all of the above

  37. Wire is fabricated by the following process
  38. (a) drawing
    (b) extrusion
    (c) piercing
    (d) rolling
    (e) none of the above.

    drawing

  39. In equation VT” = C, value of n depends on
  40. (a) material of workpiece
    (b) material of tool
    (c) condition of machine
    (d) working conditions
    (e) constant.

    material of tool

  41. With continuous chip cutting, maximum heat is taken by
  42. (a) chip
    (b) tool
    (c) job
    (d) depends on velocity of cutting
    (e) none of the above.

    depends on velocity of cutting

  43. Shear angle is the angle between
  44. (a) shear plane and tool face
    (b) shear plane and job surface
    (c) shear plane and horizontal
    (d) shear plane and vertical1
    (e) none of the above.

    shear plane and job surface

  45. The diameter of a finish turned shaft can best be checked with a
  46. (a) combination set
    (b) slip gauges
    (c) height gauge
    (d) micrometer screw gauge
    (e) dial indicator.

    micrometer screw gauge

  47. One micron is equal to
  48. (a) 1 mm
    (b) 0.1 mm
    (c) 0.01 mm
    (d) 0.001 mm
    (e) 0.0001 mm.

    0.001 mm

  49. Accurate centring of work mounted in an independent chuck can be determined by using a
  50. (a) centre gauge
    (b) height gauge
    (c) dial indicator
    (d) surface gauge
    (e) micrometer.

    dial indicator

  51. Which of the following is not the angle measuring device ?
  52. (a) angle plate
    (b) sine bar
    (c) bevel protector
    (d) angle gauge
    (e) combination square.

    angle plate

  53. To check the diameter of a twist drill with a micrometer, the measurement must be taken across the
  54. (a) margins of the drill
    (b) flutes of the drill
    (c) cutting edges of the drill
    (d) lips of the drill
    (e) web of the drill.

    margins of the drill

  55. Expressing a dimension as 18.300 mm is the case of
  56. (a) unilateral tolerance
    (b) bilateral tolerance
    (c) limiting dimensions
    (d) all of the above
    (e) none of the above.

    unilateral tolerance

  57. Commonly used units of feed in drilling operation are
  58. (a) mmn
    (b) mm/rev.
    (c) mm/sec.
    (d) mm/mt.
    (e) mm/hr.

    mm/rev.

  59. Annealing is done by cooling in
  60. (a) air
    (b) furnace
    (c) water
    (d) brine
    (e) none of the above.

    furnace

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