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Mechanical Engineering :: Engineering Mechanics

  1. The forces which do not meet at one point and their lines of action do not lie on the same plane are known as

  2. A.

    coplaner concurrent forces

    B.

    coplaner non-concurrent forces

    C.

    non-coplaner concurrent forces

    D.

    none of these


  3. A non-reversible machine is also called a self-locking machine.

  4. A.

    Agree

    B.

    Disagree


  5. Mass moment of inertia of a thin rod about its one end is __________ the mass moment of inertia of the same rod about its mid-point

  6. A.

    same as

    B.

    twice

    C.

    thrice

    D.

    four times


  7. Moment of inertia of a hollow rectangular section as shown in the below figure about Y-Y axis, is not the same as that about X-X axis.

  8. A.

    Yes

    B.

    No


  9. The angle of the inclined plane at which a body just begins to slide down the plane, is called helix angle.

  10. A.

    True

    B.

    False