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  • Question
  • When the backgear is engaged in a backgeared headstock, the spindle speed reduces considerably.


  • Options
  • A. Agree
  • B. Disagree

  • Correct Answer
  • Agree 


  • Production Engineering problems


    Search Results


    • 1. The depth of cut in drilling is __________ the drill diameter.

    • Options
    • A. equal to
    • B. one-fourth
    • C. one-half
    • D. double
    • Discuss
    • 2. In continuous chip cutting, the maximum heat is taken by the cutting tool.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 3. In machining metals, chips break due to __________ of work material.

    • Options
    • A. toughness
    • B. ductility
    • C. elasticity
    • D. work hardening
    • Discuss
    • 4. 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
    • 5. 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
    • 6. High speed steel drills can be operated at about __________ the speed of high carbon steel drills.

    • Options
    • A. one-half
    • B. one-fourth
    • C. double
    • D. four times
    • Discuss
    • 7. A process of removing metal by pushing or pulling a cutting tool is called

    • Options
    • A. up milling
    • B. down milling
    • C. forming
    • D. broaching
    • Discuss
    • 8. In metal machining, the work-tool contact zone is a zone where heat is generated due to

    • Options
    • A. plastic deformation of metal
    • B. burnishing friction
    • C. friction between the moving chip and the tool face
    • D. none of the above
    • Discuss
    • 9. In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is

    • Options
    • A. cylindrical grinder
    • B. internal grinder
    • C. surface grinder
    • D. tool and cutter grinder
    • Discuss
    • 10. Carbon tool steels have low-heat and wear-resistance.

    • Options
    • A. Correct
    • B. Incorrect
    • Discuss


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