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Mechanical Engineering :: Engineering Mechanics

  1. Moment of inertia is the

  2. A.

    second moment of force

    B.

    second moment of area

    C.

    second moment of mass

    D.

    all of these

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  3. The coefficient of restitution for inelastic bodies is

  4. A.

    zero

    B.

    one

    C.

    between zero and one

    D.

    more than one

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  5. When the lift is moving upwards with some acceleration, the pressure exerted by a man is __________ proportional to its acceleration.

  6. A.

    directly

    B.

    inversely

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  7. The term 'centroid' is

  8. A.

    the same as centre of gravity

    B.

    the point of suspension

    C.

    the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis

    D.

    none of the above

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  9. Two forces are acting at an angle of 120°. The bigger force is 40N and the resultant is perpendicular to the smaller one. The smaller force is

  10. A.

    20 N

    B.

    40 N

    C.

    80 N

    D.

    none of these

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