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Mechanical Engineering :: Engineering Mechanics

  1. The angle between two forces when the resultant is maximum and minimum respectively are

  2. A.

    0° and 180°

    B.

    180° and 0°

    C.

    90° and 180°

    D.

    90° and 0°


  3. The path of the projectile is a parabola.

  4. A.

    True

    B.

    False


  5. The equivalent length of a simple pendulum which gives the same frequency as compound pendulum is

  6. A.

    \( \frac { h } { kG^{2} + h^{2} } \)

    B.

    \( \frac { kG^{2} + h^{2} } { h } \)

    C.

    \( \frac{ h^{2} } { kG^{2} + h^{2} } \)

    D.

    \( \frac{ kG^{2} + h^{2} } { h^{2} } \)


  7. A redundant frame is also called __________ frame.

  8. A.

    perfect

    B.

    imperfect

    C.

    deficient


  9. Mass moment of inertia of a uni form thin rod of mass M and length (l) about its mid-point and perpendicular to its length is

  10. A.

    \(\frac { 2 } { 3 } Ml^2\)

    B.

    \(\frac { 1 } { 3 } Ml^2\)

    C.

    \(\frac { 3 } { 4 } Ml^2\)

    D.

    \(\frac { 1 } { 12 } Ml^2\)