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Civil Engineering :: Theory of Structures

  1. The forces in the members of simple trusses, may be analysed by

  2. A.

     Graphical method

    B.

     Method of joints

    C.

     Method of sections

    D.

     All the above

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  3. The moment of inertia of a triangular section (height h, base b) about its base, is

  4. A.

     bh²/12

    B.

     b²h/12

    C.

     bh³/12

    D.

     b³h/12

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  5. Maximum shear stress theory for the failure of a material at the elastic limit, is known

  6. A.

     Guest's or Trecas' theory

    B.

     St. Venant's theory

    C.

     Rankine's theory

    D.

     Haig's theory

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  7. Total strain energy theory for the failure of a material at elastic limit, is known

  8. A.

     Guest’s or Trecas’ theory

    B.

     St. Venant’s theory

    C.

     Rankine’s theory

    D.

     Haig’s theory

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  9. Maximum principal stress theory for the failure of a material at elastic point, is known

  10. A.

     Guest's or Trecas' theory

    B.

     St. Venant's theory

    C.

     Rankine's theory

    D.

     Von Mises' theory

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  11. The locus of reaction of a two hinged semi-circular arch, is

  12. A.

     Straight line

    B.

     Parabola

    C.

     Circle

    D.

     Hyperbola

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  13. The ratio of maximum shear stress to average shear stress of a circular beam, is

  14. A.

     2/3

    B.

     3/2

    C.

     3/4

    D.

     4/3

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  15. P = 4π² EI/L² is the equation of Euler's crippling load if

  16. A.

     Both the ends are fixed

    B.

     Both the ends are hinged

    C.

     One end is fixed and other end is free

    D.

     One end is fixed and other end is hinged

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  17. The shape factor of standard rolled beam section varies from

  18. A.

     1.10 to 1.20

    B.

     1.20 to 1.30

    C.

     1.30 to 1.40

    D.

     1.40 to 1.50

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  19. In plastic analysis, the shape factor for a circular section, is

  20. A.

     1.5

    B.

     1.6

    C.

     1.7

    D.

     1.75

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