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Mechanical Engineering :: Machine Design

  1. Multiple threads are used to secure

  2. A.

    low efficiency

    B.

    high efficiency

    C.

    high load lifting capacity

    D.

    high mechanical advantage


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

  4. A.

    Agree

    B.

    Disagree


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

  6. 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


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

  8. A.

    centroidal axis

    B.

    neutral axis

    C.

    inside fibre

    D.

    outside fibre


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

  10. A.

    parallel

    B.

    perpendicular