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Civil Engineering :: Applied Mechanics and Graphic Statics

  1. In simple harmonic motion, acceleration of a particle is proportional to

  2. A.

     Rate of change of velocity

    B.

     Displacement

    C.

     Velocity

    D.

     Direction

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  3. The bending moment in an arch is proportional to

  4. A.

     Vertical ordinate of funicular polygon

    B.

     Vertical ordinate of the arch

    C.

     Intercept between the arch axis and the funicular polygon

    D.

     None of these

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  5. The C.G. of a thin hollow cone of height ‘h’, above its base lies on the axis, at a height of

  6. A.

     h/3

    B.

     h/4

    C.

     2h/3

    D.

     3h/4

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  7. The maximum pull in a cable, carrying a uniformly distributed load and supported at two ends which are at the same level, is at

  8. A.

     Supports

    B.

     Quarter span

    C.

     Mid span

    D.

     None of the above

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  9. The displacement of a particle which moves along a straight line is given by S = 4t³ + 3t²- 10 where ‘S’ is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is

  10. A.

     ½ sec

    B.

     1 sec

    C.

     1.2 sec

    D.

     1.5 sec

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  11. If the radius of the earth is 600 km the height of a mountain above sea level at the top of which a beat seconds pendulum at sea level, looses 27 seconds a day, is

  12. A.

     500 meters

    B.

     1000 meters

    C.

     1500 meters

    D.

     2000 meters

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  13. If a set of given forces are such that their free vectors build a closed polygon, then

  14. A.

     The resultant force and resultant couple are always zero

    B.

     The resultant force is zero but resultant couple is not zero

    C.

     The resultant force is zero but resultant couple may not be zero

    D.

     The resultant force and resultant couple both may not be zero

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  15. The numbers of funicular polygons which can be drawn to pass through two specified points in the space diagram are

  16. A.

     Zero

    B.

     1

    C.

     2

    D.

     Infinity

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  17. The number of funicular polygons which can be drawn to pass through two specified points in the space diagram are

  18. A.

     zero

    B.

     1

    C.

     2

    D.

     infinity

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  19. Equation of motion of a point in a straight line, is

  20. A.

     v = u + ft

    B.

     S = ut + ½ ft²

    C.

     2fS = v² - u²

    D.

     All the above

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