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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. Multiple threads are used to secure

    2. A.

    low efficiency
    B.

    high efficiency
    C.

    high load lifting capacity
    D.

    high mechanical advantage

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  2. The fatigue limit of a material is greatly decreased by poor surface conditions.

    3. A.

    Agree
    B.

    Disagree

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  3. The value of Lewis form factor used in design of gears is

    4. A.

    dependent on number of teeth of a gear
    B.

    dependent on system of teeth
    C.

    independent of size of teeth
    D.

    all of these

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  4. The maximum bending stress in a curved beam having symmetrical section always occur at the

    5. A.

    centroidal axis
    B.

    neutral axis
    C.

    inside fibre
    D.

    outside fibre

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  5. In radial bearings, the load acts __________ to the axis of rotation.

    6. A.

    parallel
    B.

    perpendicular

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