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Mechanical Engineering :: Machine Design

  1. Which of the following coupling is used to connect two shafts which have both lateral and angular misalignment ?

  2. A.

    Bushed pin type coupling

    B.

    Universal coupling

    C.

    Oldham coupling

    D.

    all of these


  3. Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is

  4. A.

    F + P

    B.

    F - P

    C.

    P

    D.

    F


  5. The bearings of medium series have capacity __________ over the light series.

  6. A.

    10 to 20%

    B.

    20 to 30%

    C.

    30 to 40%

    D.

    40 to 50%


  7. The antifriction bearings

  8. A.

    have low starting and low running friction at moderate speeds

    B.

    have high initial cost

    C.

    can carry both radial and thrust loads

    D.

    all of these


  9. In a partial journal bearing, the angle of contact of the bearing with the journal is

  10. A.

    120°

    B.

    180°

    C.

    270°

    D.

    360°