Home / Mechanical Engineering / Production Engineering :: Section 2

Mechanical Engineering :: Production Engineering

  1. Back rake angle of a single point tool is the angle by which the face of the tool is inclined towards back.

  2. A.
    Agree
    B.
    Disagree

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. As the cutting speed increases, tool life decreases.

  4. A.
    Yes
    B.
    No

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. In metal machining, the work-tool contact zone is a zone where heat is generated due to

  6. A.
    plastic deformation of metal
    B.
    burnishing friction
    C.
    friction between the moving chip and the tool face
    D.
    none of the above

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. Thread grinding requires work speed from

  8. A.
    1 to 3 m/min
    B.
    5 to 10 m/min
    C.
    10 to 14 m/min
    D.
    14 to 20 m/min

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. Threading is an operation of

  10. 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

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. Glazing in grinding wheels can be decreased by

  12. 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

    View Answer

    Workspace

    Discuss Discuss in Forum


  13. The cutting speed is minimum while machining __________ with a high speed steel tool.

  14. A.
    cast iron
    B.
    mild steel
    C.
    brass
    D.
    aluminium

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. A process of removing metal by pushing or pulling a cutting tool is called

  16. A.
    up milling
    B.
    down milling
    C.
    forming
    D.
    broaching

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. The hardness of a grinding wheel is specified by

  18. A.
    Brinell hardness number
    B.
    Rockwel! hardness number
    C.
    Vickers pyramid number
    D.
    letter of alphabet

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. Which of the following operations can be performed with milling cutters?

  20. A.
    cutting key ways on shafts
    B.
    cutting external screw threads
    C.
    cutting teeth of spur gears
    D.
    all of these

    View Answer

    Workspace

    Discuss Discuss in Forum