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Civil Engineering :: Design of Steel Structures

  1. If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as

  2. A.

     120 mm

    B.

     160 mm

    C.

     200 mm

    D.

     300 mm

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  3. The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is

  4. A.

     1.0 mm

    B.

     1.5 mm

    C.

     2.0 mm

    D.

     2.5 mm

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  5. The slenderness ratio of a column supported throughout its length by a masonry wall is

  6. A.

     zero

    B.

     10

    C.

     100

    D.

     infinity

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  7. The external wind pressure acting on a roof depends on

  8. A.

     degree of permeability of roof

    B.

     slope of roof

    C.

     both (a) and (b)

    D.

     none of the above

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  9. If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as

  10. A.

     0

    B.

     0.5

    C.

     between 0.5 and 1.0

    D.

     1.0

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  11. Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)

  12. A.

     1.5 d

    B.

     2.0 d

    C.

     2.5 d

    D.

     3.0 d

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  13. The allowable tensile stress in structural mild steel plates for steel tank is assumed as

  14. A.

     95.0 MPa on net area

    B.

     105.5 MPa on net area

    C.

     105.5 MPa on gross area

    D.

     150.0 MPa on gross area

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  15. Other conditions being same, the load factor in indeterminate structures is

  16. A.

     Equal to load factor in determinate structures

    B.

     More than the load factor in determinate structures

    C.

     Less than the load factor in determinate structures

    D.

     Unpredictable

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  17. In case of timber structures, the simple bending formula M = fz may be applied for

  18. A.

     rectangular beams up to 300 mm depth

    B.

     all rectangular beams

    C.

     solid circular beams only

    D.

     all square cross-section beams

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  19. As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into

  20. A.

     4 zones

    B.

     5 zones

    C.

     6 zones

    D.

     7 zones

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