Home / Civil Engineering / Structural Analysis :: Section-1

Civil Engineering :: Structural Analysis

  1. The effective length of lacing is the distance

  2. A.

     Between the inner end rivets of the bar for single lacing

    B.

     0.7 of the distance between the inner end rivets of the bar for double lacing

    C.

     Between the inner ends of effective lengths of welds connecting the members

    D.

     All the above


  3. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust

  4. A.

     Is increased

    B.

     Is decreased

    C.

     Remains unchanged

    D.

     Becomes zero


  5. For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust

  6. A.

     is increased

    B.

     is decreased

    C.

     remains unchanged

    D.

     becomes zero


  7. If the main reinforcement of the slab is parallel to a T-beam, the transverse reinforcement at mid span of the slab is provided at least __________ of main reinforcement.

  8. A.

     40 %

    B.

     50 %

    C.

     60 %

    D.

     70 %


  9. The deformation of a spring produced by a unit load is called

  10. A.

     stiffness

    B.

     flexibility

    C.

     influence coefficient

    D.

     unit strain


  11. The number of independent equations to be satisfied for static equilibrium of a plane structure is

  12. A.

     1

    B.

     2

    C.

     3

    D.

     6


  13. To generate the j th column of the flexibility matrix

  14. A.

     a unit force is applied at coordinate j and the displacements are calculated at all coordinates

    B.

     a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates

    C.

     a unit force is applied at coordinate j and the forces are calculated at all coordinates

    D.

     a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates


  15. The three moments equation is applicable only when

  16. A.

     The beam is prismatic

    B.

     There is no settlement of supports

    C.

     There is no discontinuity such as hinges within the span

    D.

     The spans are equal


  17. The Castigliano's second theorem can be used to compute deflections

  18. A.

     In statically determinate structures only

    B.

     For any type of structure

    C.

     At the point under the load only

    D.

     For beams and frames only


  19. Bending moment at any section in a conjugate beam gives in the actual beam

  20. A.

     slope

    B.

     curvature

    C.

     deflection

    D.

     bending moment