INDUSTRIAL ENGINEERING – LATHE, BORING, BRILLING, REAMING MCQS

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INDUSTRIAL ENGINEERING – LATHE, BORING, BRILLING, REAMING MCQS

LATHE, BORING, BRILLING, REAMING MCQS

  1. The hardest manufactured cutting tool material is
  2. (a) diamond
    (b) high speed steel1
    (c) ceramic
    (d) carbon steel
    (e) cemented carbide.

    cemented carbide.

  3. The type of chip produced when cutting ductile material is
  4. (a) continuous
    (b) discontinuous
    (c) with built up edge
    (d) any one of the above depending on other factors
    (e) none of the above.

    with built up edge

  5. Depth of cut of finish grinding of steel in surface grinder is of the order of
  6. (a) 0.001 to 0.005 mm
    (b) 0.005 to 0.01 mm
    (c) 0.05 to 0.1 mm
    (d) 0.01 to 0.5 mm
    (e) 0.1 to 0.5 mm.

    0.005 to 0.01 mm

  7. The point of a twist drill is thinned in order to
  8. (a) decrease the rake angle
    (b) increase the rake angle
    (c) reduce the hole diameter
    (d) reduce the axial feed pressure
    (e) locate in the centre punch mark.

    reduce the hole diameter

  9. For drilling operation, the cylindrical job should always be clamped on a
  10. (a) collet
    (b) socket
    (c) jaw
    (d) vise
    (e) V-block.

    collet

  11. Driling is an example of
  12. (a) uniform cutting
    (b) simple cutting
    (c) orthogonal cutting
    (d) oblique cutting
    (e) intermittent cutting

    oblique cutting

  13. The cutting edges of a standard twist drill are called
  14. (a) flutes
    (b) lips
    (c) wedges
    (d) flanks
    (e) conical points.

    flutes

  15. Trepanning is an operation of
  16. (a) cutting internal threads
    (b) producing a hole by removing metal along the circumference of a hollow cutting tool
    (c) making a cone-shaped enlargement of the end of a hole
    (d) superfinishing
    (e) coating metal for wear resistance.

    cutting internal threads

  17. The helical grooves which extend to the full lengthhof the drill body are called
  18. (a) lips
    (b) cutting edges
    (c) margins
    (d) flutes
    (e) shanks.

    shanks.

  19. The angle formed by the leading edge of the land with a plane having the axis of the drill is known as
  20. (a) helix angle or rake angle
    (b) point angle
    (c) lip clearance angle
    (d) chisel edge angle
    (e) primary angle.

    point angle

  21. The number of helical groves which are present in a standard twist drill is usually
  22. (a) one
    (b) two
    (c) three
    (d) four
    (e) five.

    two

  23. A standard ground drill has a point angle of
  24. (a) 90°
    (b) 100°
    (c) 118°
    (d) 120
    (e) 130°.

    118°

  25. Goose neck tools are preferred on planers and slotters because
  26. (a) digging in and scoring of the work is minimumn
    (b) large clearance angles are possible
    (c) friction between flank and machined surface is less
    (d) tool is very rigid
    (e) back rake is appropriate

    back rake is appropriate

  27. For harder materials, the point angle of drill is
  28. (a) decreased
    (b) increased
    (c) kept at 118°
    (d) point angle has nothing to do with type of material
    (e) none of the above.

    kept at 118°

  29. For ferrous materials, the helix angle of drill is taken as
  30. (a) 45
    (b) 30°
    (c) 90°
    (d) 60°
    (e) none of the above.

    60°

  31. The commonly used value of feed while machining mild steel on shaper with HSS tool is of the order of
  32. (a) 0.5 mm
    (b) 0.1 mnm
    (c) 1.5 mm
    (d) 1.0 mnm
    (e) 3.0 mm.

    0.5 mm

  33. The cutting speed of high speed steel twist drill to machine grey cast iron is
  34. (a) 25-40 m/mt
    (b) 10-20 m/mt
    (c) 100-160 m/mt
    (d) 50-80 m/mt
    (e) 180-240 m/mt.

    50-80 m/mt

  35. Optimum rake angle of a tool is a function of
  36. (a) cutting speed
    (b) cutting tool material
    (c) properties of work material
    (d) cutting conditions, i.edry or lubricant
    (e) feed and depth of cut.

    feed and depth of cut.

  37. The back rake angle of HSS single point cutting tool for machining brass is
  38. (a) -5°
    (b) 10°
    (c) 5°
    (d) 0°
    (e) 7

    10°

  39. The recommended value of rake angle for machining aluminium with diamond tool is
  40. (a) 5°
    (b) 0
    (c) 25°
    (d) 15°
    (e) 35°

    25°

  41. The angle between the face of tool, and the line tangent to the machined surtace at the cutting point is known as
  42. (a) lip angle
    (b) rake angle
    (c) cutting angle
    (d) clearance angle
    (e) nose angle.

    rake angle

  43. The angle between the tool face and the ground end surface of flank is known a
  44. (a) rake angle
    (b) lip angle
    (c) cutting angle
    (d) clearance angle
    (e) nose angle.

    clearance angle

  45. The recommended value of rake angle for machining aluminium with high speed steel tool is
  46. (a) 5
    (b) 0°
    (c) 25
    (d) 15
    (e) 35

    15

  47. The angle between the face of the tool and the plane parallel to the base of the cutting tool is called
  48. (a) cutting angle
    (b) rake angle
    (c) lip angle
    (d) clearance angle
    (e) nose angle.

    rake angle

  49. The recommended value of rake angle for machining aluminium with cemented carbide toolis
  50. (a) 5
    (b) 0°
    (c) 25
    (d) 15°
    (e) 3

    3

  51. The normal back rake angle of carbide single point cutting tool for machining aluminium is of the order of
  52. (a) – 5° to 0°
    (b) 0 to 5
    (c) 10 to 15°
    (d) 0 to 10°
    (e) 10 to 20°.

    0 to 5

  53. For softer material, the point angle of drill is
  54. (a) decreased
    (b) increased
    (c) kept at 118°
    (d) point angle has nothing to do with type of material
    (e) none of the above.

    decreased

  55. The metal cutting wedge is fundamental to the geometry of
  56. (a) hand tools
    (b) power driven tools
    (c) lathe tools
    (d) sheet metal cutting tools
    (e) all of the above.

    lathe tools

  57. The tool life of a single point cutting tool with increase in back rake angle, with other parameters constant, will
  58. (a) increase slightly
    (b) decrease slightly
    (c) remain unchanged
    (d) increase tremendously
    (e) decrease tremendously.

    decrease tremendously.

  59. Tool signatureis
  60. (a) there is nothing like tool signature
    (b) a numerical method of identification of tool
    (c) the plan of tool
    (d) the complete specification of tool
    (e) none of the above.

    none of the above.

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