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Mechanical Engineering :: Manufacturing and Production Technology

  1. The angle between the shear plane and _________ is called shear angle.

  2. A.

     Work surface

    B.

     Tool face

    C.

     Machine surface

    D.

     None of these

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  3. Soft materials can not be economically ground due to

  4. A.

     High temperature involved

    B.

     Frequent wheel clogging

    C.

     Rapid wheel wear

    D.

     Low work piece stiffness

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  5. Cutting fluids are used to

  6. A.

     Cool the tool

    B.

     Improve surface finish

    C.

     Cool the workpiece

    D.

     All of these

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  7. Which of the following arc welding processes does not use consumable electrodes?

  8. A.

     GMAW

    B.

     GTAW

    C.

     Submerged Arc Welding

    D.

     None of these

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  9. Climb milling is chosen while machining because

  10. A.

     The chip thickness increase gradually

    B.

     It enables the cutter to dig in and start the cut

    C.

     The specific power consumption is reduced

    D.

     Better surface finish can be obtained

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  11. The cutting force in punching and blanking operations mainly depends on

  12. A.

     The modulus of elasticity of metal

    B.

     The shear strength of metal

    C.

     The bulk modulus of metal

    D.

     The yield strength of metal

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  13. Which of the following engineering materials is the most suitable candidate for hot chamber die casting?

  14. A.

     Low carbon steel

    B.

     Titanium

    C.

     Copper

    D.

     Tin

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  15. In which of the following milling machine, the table can be tilted in a vertical plane by providing a swivel arrangement at the knee?

  16. A.

     Universal milling machine

    B.

     Plain milling machine

    C.

     Universal milling machine

    D.

     Hand milling machine

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  17. When the tool moves parallel to the lathe axis, the movement is termed as

  18. A.

     Cross feed

    B.

     Angular feed

    C.

     Longitudinal feed

    D.

     Any one of these

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  19. The tail-stock set over required to turn a taper on the entire length of a workpiece having diameters D and d is

  20. A.

     (D - d)/2L

    B.

     (D - d)/L

    C.

     (D - d)/2

    D.

     D - d

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