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Civil Engineering :: Applied Mechanics and Graphic Statics

  1. One Newton is equivalent to

  2. A.

     1 kg. wt

    B.

     9.81 kg. wt

    C.

     981 dyne

    D.

     1/9.81 kg. wt


  3. One Joule is equivalent to

  4. A.

     9.81 Newton metre

    B.

     1 Newton metre

    C.

     1 kg wt metre

    D.

     1 dyne metre


  5. A uniform pyramid and a uniform prism of same height lie with their base on the surface. Which is more stable ?

  6. A.

     pyramid

    B.

     prism

    C.

     both equally stable

    D.

     none of the above


  7. ‘μ’ is coefficient of friction. A wheeled vehicle travelling on a circular level track will slip and overturn simultaneously if the ratio of its wheel distance to the height of its centroid, is

  8. A.

     μ

    B.

     2μ

    C.

     3μ

    D.

     ½μ


  9. The unit of moments in M.K.S system, is

  10. A.

     kg.m

    B.

     kg/m2

    C.

     kg/sec2

    D.

     kg/sec


  11. One Newton force, is

  12. A.

     10³ dynes

    B.

     10⁴ dynes

    C.

     10⁵ dynes

    D.

     10⁶ dynes


  13. On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts

  14. A.

     Downwards at its upper end

    B.

     Upwards at its upper end

    C.

     Perpendicular to the wall at its upper end

    D.

     Zero at its upper end


  15. On a ladder resisting on a smooth ground and leaning against a rough vertical wall, the force of friction acts

  16. A.

     Towards the wall at its upper end

    B.

     Away from the wall at its upper end

    C.

     Upwards at its upper end

    D.

     Downwards at its upper end


  17. For a given velocity of a projectile, the range is maximum when the angle of projection is

  18. A.

     30°

    B.

     45°

    C.

     90°

    D.

     0°


  19. For the given values of initial velocity of projection and angle of inclination of the plane, the maximum range for a projectile projected upwards will be obtained, if the angle of projection is

  20. A.

     α = π/4 - β/2

    B.

     α = π/2 + β/2

    C.

     α = β/2 - π/2

    D.

     α = π/4 - β/2