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  • Question
  • Threading is an operation of


  • Options
  • A. smoothing and squaring the surface around a hole
  • B. sizing and finishing a small diameter hole
  • C. producing a hole by removing metal along the circumference of a hollow cutting tool
  • D. cutting helical grooves on the external cylindrical surface

  • Correct Answer
  • cutting helical grooves on the external cylindrical surface 


  • Production Engineering problems


    Search Results


    • 1. Glazing in grinding wheels can be decreased by

    • Options
    • A. using a harder wheel or by increasing the wheel speed
    • B. using a softer wheel or by decreasing the wheel speed
    • C. using a harder wheel or by decreasing the wheel speed
    • D. using a softer wheel or by increasing the wheel speed
    • Discuss
    • 2. The abrasive recommended for grinding materials of high tensile strength is

    • Options
    • A. silicon carbide
    • B. aluminium oxide
    • C. sand stone
    • D. diamond
    • Discuss
    • 3. The swing diameter over the bed is __________ the height of the centre measured from the bed of the lathe.

    • Options
    • A. equal to
    • B. twice
    • C. thrice
    • D. one-half
    • Discuss
    • 4. The top and sides of the table of a shaper usually have

    • Options
    • A. L-type slots
    • B. T-type slots
    • C. I-type slots
    • D. any one of these
    • Discuss
    • 5. Crater wear is predominant in

    • Options
    • A. carbon tool steels
    • B. tungsten carbide tools
    • C. high speed steel tools
    • D. ceramic tools
    • Discuss
    • 6. Down milling is also called

    • Options
    • A. conventional milling
    • B. climb milling
    • C. end milling
    • D. face milling
    • Discuss
    • 7. Which of the following operations can be performed with milling cutters?

    • Options
    • A. cutting key ways on shafts
    • B. cutting external screw threads
    • C. cutting teeth of spur gears
    • D. all of these
    • Discuss
    • 8. Back rake angle of a single point tool is the angle by which the face of the tool is inclined towards back.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 9. In machining metals, chips break due to __________ of work material.

    • Options
    • A. toughness
    • B. ductility
    • C. elasticity
    • D. work hardening
    • Discuss
    • 10. In continuous chip cutting, the maximum heat is taken by the cutting tool.

    • Options
    • A. Yes
    • B. No
    • Discuss


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