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Mechanical Engineering :: Engineering Mechanics

Engineering Mechanics - Section 1
Engineering Mechanics - Section 2
Engineering Mechanics - Section 3
Engineering Mechanics - Section 4
Engineering Mechanics - Section 5
Engineering Mechanics - Section 6
Engineering Mechanics - Section 7

  1. The time taken by a particle for one complete oscillation is known as periodic time.

    2. A.

    Agree
    B.

    Disagree

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  2. The velocity ratio of a first system of pulleys with 4 pulleys is

    3. A.

    4
    B.

    8
    C.

    16
    D.

    20

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  3. One joule means that

    4. A.

    work is done by a force of 1 N when it displaces a body through 1m
    B.

    work is done by a force of 1 kg when it displaces a body through 1 m
    C.

    work is done by a force of 1 dyne when it displaces a body through 1 cm
    D.

    work is done by a force of 1 g when it displaces a body through 1 cm

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  4. The moment of inertia of a sphere of mass m and radius r, about an axis tangential to it, is

    5. A.

    2mr2/3
    B.

    2mr2/5
    C.

    7mr2/3
    D.

    7mr2/5

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  5. The velocity ratio for the first system of pulleys is(where n is the number of pulleys.)

    6. A.

    n
    B.

    n2
    C.

    2n
    D.

    2n - 1

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