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Mechanical Engineering :: Production Engineering

  1. The operation performed on a shaper is

  2. A.
    machining horizontal surface
    B.
    machining vertical surface
    C.
    machining angular surface
    D.
    all of these

  3. Chemical milling operation is performed

  4. A.
    on universal milling machine
    B.
    on plain milling machine
    C.
    in a tank containing an etching solution
    D.
    any one of these

  5. The thrust force will increase with the increase in

  6. A.
    side cutting edge angle
    B.
    tool nose radius
    C.
    rake angle
    D.
    end cutting edge angle

  7. The broaching operation in which the work moves past the stationary tool is called

  8. A.
    pull broaching
    B.
    push broaching
    C.
    surface broaching
    D.
    continuous broaching

  9. In transverse grinding

  10. A.
    the work is reciprocated as the wheel feeds to produce cylinders longer than the width of wheel face
    B.
    the work rotates in a fixed position as the wheel feeds to produce cylinders equal to or shorter than the width of wheel face
    C.
    the work is reciprocated as the wheel feeds to produce cylinders shorter than the width of wheel face
    D.
    the work rotates in a fixed position as the wheel feeds to produce cylinders longer than the width of wheel face

  11. If the grain size is __________ the tool life is better.

  12. A.
    smaller
    B.
    larger

  13. Flank wear is due to the abrasive action of hard mis-constituents including debris from built up edge as the work material rubs the work surface.

  14. A.
    Correct
    B.
    Incorrect

  15. The operation of reproduction of an outline of a template on a workpiece is called face milling.

  16. A.
    Yes
    B.
    No

  17. The usual value of the point angle of a drill is

  18. A.
    70°
    B.
    100°
    C.
    118°
    D.
    130°

  19. Buffing wheels are made of

  20. A.
    softer metals
    B.
    cotton fabric
    C.
    carbon
    D.
    graphite