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Mechanical Engineering :: Machine Design

  1. The rolling contact bearings as compared to sliding contact bearings have

  2. A.

    small overall dimensions

    B.

    accuracy of shaft alignment

    C.

    low starting and low running friction except at very high speeds

    D.

    all of the above

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  3. The maximum normal stress theory is used for

  4. A.

    brittle materials

    B.

    ductile materials

    C.

    plastic materials

    D.

    non-ferrous materials

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  5. When two non-intersecting and non-coplaner shafts are connected by gears, the arrangement is known as

  6. A.

    spur gearing

    B.

    helical gearing

    C.

    bevel gearing

    D.

    spiral gearing

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  7. When a nut is tightened by placing a washer below it, the bolt will be subjected to

  8. A.

    tensile stress

    B.

    compressive stress

    C.

    shear stress

    D.

    none of these

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  9. A locking device extensively used in marine type connecting rod ends is a

  10. A.

    jam nut

    B.

    castle nut

    C.

    sawn nut

    D.

    ring nut

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