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Mechanical Engineering :: Machine Design

Machine Design - Section 1
Machine Design - Section 2
Machine Design - Section 3
Machine Design - Section 4
Machine Design - Section 5
Machine Design - Section 6
Machine Design - Section 7
Machine Design - Section 8

  1. During hot working of metals,

    2. A.

    porosity of the metal is largely eliminated
    B.

    grain structure of the metal is refined
    C.

    mechanical properties are improved due of refinement of grains
    D.

    all of the above

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  2. A saddle key __________ power through frictional resistance only.

    3. A.

    transmits
    B.

    does not transmit

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  3. A rivet is specified by

    4. A.

    shank diameter
    B.

    length of rivet
    C.

    type of head
    D.

    length of tail

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  4. In thrust bearings, the load acts

    5. A.

    along the axis of rotation
    B.

    parallel to the axis of rotation
    C.

    perpendicular to the axis of rotation
    D.

    in any direction

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  5. Auto frettage is the method of

    6. A.

    joining thick cylinders
    B.

    calculating stresses in thick cylinders
    C.

    prestressing thick cylinders
    D.

    increasing the life of thick cylinders

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