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Civil Engineering :: Structural Analysis

  1. For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is

  2. A.

     0.211 L

    B.

     0.25 L

    C.

     0.234 L

    D.

     0.5 L

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  3. If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is

  4. A.

     Unstable

    B.

     Stable and statically determinate

    C.

     Stable and statically indeterminate

    D.

     None of the above

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  5. Pick up the correct statement applicable to cased columns.

  6. A.

     Single I-beam or channels back with or without flange plates may be used

    B.

     The surface and edges of the steel column should be provided a concrete cover not less than 50 mm

    C.

     All the above

    D.

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  7. In column analogy method, the area of an analogous column for a fixed beam of span L and flexural rigidity El is taken as

  8. A.

     L/EI

    B.

     L/2EI

    C.

     L/3EI

    D.

     L/4EI

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  9. For under water concreting.

  10. A.

     At least 10 percent more cement is required as compared to dry conditions

    B.

     The volume of coarse aggregates shall not be less than one and half times and not more than twice that of fine aggregate

    C.

     De-watering by pumping is not done or until 24 hours thereafter

    D.

     All the above

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  11. In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always

  12. A.

     zero

    B.

     less than 1

    C.

     1

    D.

     greater than 1

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