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Mechanical Engineering :: Machine Design

  1. A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is

  2. A.

    1 kN-m

    B.

    2 kN-m

    C.

    3 kN-m

    D.

    4 kN-m


  3. The design of pin of a rocker arm of an I.C. engine is based on

  4. A.

    bearing failure

    B.

    shearing failure

    C.

    bending failure

    D.

    all of these


  5. For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be

  6. A.

    4

    B.

    6

    C.

    8

    D.

    10


  7. A wood-ruff key is

  8. A.

    a tapered key with head at one end

    B.

    fitted in pairs at right angles

    C.

    capable of tilting in a recess milled out in the shaft

    D.

    all of the above


  9. In a V-belt drive, the belt makes contact at the bottom of the groove of the pulley.

  10. A.

    Agree

    B.

    Disagree