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Civil Engineering :: Design of Steel Structures

  1. Normally, the angle of roof truss with asbestos sheets should not be less than

  2. A.

     26/2°

    B.

     30°

    C.

     35°

    D.

     40°

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  3. Pitch of tacking rivets, when double angles connected back to back and acting as tension members should not be more than

  4. A.

     500 mm

    B.

     600 mm

    C.

     1000 mm

    D.

     300 mm

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  5. Efficiency of a riveted joint, having the minimum pitch as per IS : 800, is

  6. A.

     40%

    B.

     50%

    C.

     60%

    D.

     70%

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  7. The moment-curvature relation at a plastic hinge is

  8. A.

     linear

    B.

     parabolic

    C.

     constant moment for all curvatures

    D.

     constant curvature for all moments

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  9. The forces acting on the web splice of a plate girder are

  10. A.

     Axial forces

    B.

     Shear and axial forces

    C.

     Shear and bending forces

    D.

     Axial and bending forces

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  11. The actual thickness of butt weld as compared to the thickness of plate is usually

  12. A.

     more

    B.

     less

    C.

     equal

    D.

     none of the above

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  13. A circular column section is generally not used in actual practice because

  14. A.

     it is uneconomical

    B.

     it cannot carry the load safely

    C.

     it is difficult to connect beams to the round sections

    D.

     all of the above

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  15. To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be

  16. A.

     1

    B.

     2

    C.

     3

    D.

     4

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  17. The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of
    (where, t = the web thickness in mm h = the outstand of stiffener in mm)

  18. A.

     75 t2/h

    B.

     125 t3/h2

    C.

     125 t2/h

    D.

     175 t2/h

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  19. Diameter of a bolt hole is usually taken as

  20. A.

     gross diameter of bolt

    B.

     nominal diameter + 1.5 mm

    C.

     nominal diameter + 2.0 mm

    D.

     nominal diameter of bolt

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