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Mechanical Engineering :: Production Engineering

  1. The lathe centres are provided with standard taper known as

  2. A.
    Morse taper
    B.
    Seller's taper
    C.
    Chapman taper
    D.
    Brown and Sharpe taper

  3. In a plain milling cutter, the portion of the gash adjacent to the cutting edge on which the chip impinges is called

  4. A.
    face
    B.
    fillet
    C.
    land
    D.
    lead

  5. The grooving is an operation of

  6. A.
    bevelling the extreme end of a workpiece
    B.
    embossing a diamond shaped pattern on the surface of a workpiece
    C.
    reducing the diameter of a workpiece over a very narrow surface
    D.
    enlarging the end of a hole cylindrically

  7. Cutting fluids are used to

  8. A.
    cool the tool
    B.
    improve surface finish
    C.
    cool the workpiece
    D.
    all of these

  9. The structure of a grinding wheel depends upon

  10. A.
    hardness of the material being ground
    B.
    nature of the grinding operation
    C.
    finish required
    D.
    all of these

  11. In a plain milling cutter, the chip space between the back of one tooth and the face of the next tooth is called

  12. A.
    face
    B.
    fillet
    C.
    gash
    D.
    land

  13. In which of the following machine, the work rotates and the tool is stationary?

  14. A.
    Vertical boring machine
    B.
    Horizontal boring machine
    C.
    Precision boring machine
    D.
    Jig boring machine

  15. The cutting fluid mostly used for machining alloy steels is

  16. A.
    water
    B.
    soluble oil
    C.
    dry
    D.
    sulphurised mineral oil

  17. The cutting speed is zero at the periphery and it is maximum at the centre of the drill.

  18. A.
    Yes
    B.
    No

  19. In metal cutting operations, chips are formed due to plastic deformation of the metal.

  20. A.
    Agree
    B.
    Disagree