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Mechanical Engineering :: Engineering Mechanics

  1. The ideal angle of banking provided on the curves on roads depends upon

  2. A.

    weight of the vehicle

    B.

    (velocity)2 of the vehicle

    C.

    nature of the road surface

    D.

    coefficient of friction between the road and vehicle contact point


  3. If a pendulum is taken 1 km below the earth surface in a mine, it will __________ in time.

  4. A.

    gain

    B.

    loose


  5. The moment of inertia of a thin disc of mass m and radius r, about an axis through its centre of gravity and perpendicular to the plane of the disc is

  6. A.

    mr2/2

    B.

    mr2/4

    C.

    mr2/6

    D.

    mr2/8


  7. The linear velocity of a body rotating at ω rad / s along a circular path of radius r is given by

  8. A.

    ω/r

    B.

    ω.r

    C.

    ω2/r

    D.

    ω2.r


  9. A machine which is capable of doing work in the reversed direction, after the effort is removed, is called a non-reversible machine.

  10. A.

    Yes

    B.

    No