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Civil Engineering :: Design of Steel Structures

  1. The elastic strain for steel is about

  2. A.

     1/12 of strain at the initiation of strain hardening and about 1/120 of maximum strain

    B.

     1/2 of strain at the initiation of strain hardening and about 1/12 of maximum strain

    C.

     1/12 of strain at the initiation of strain hardening and 1/200 of maximum strain

    D.

     1/24 of strain at the initiation of strain hardening and about 1/200 of maximum strain

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  3. In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate

  4. A.

     Fully by direct bearing

    B.

     Fully through fastenings

    C.

     50% by direct bearing and 50% through fastenings

    D.

     75% by direct bearing and 25% through fastenings

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  5. Shear buckling of web in a plate girder is prevented by using

  6. A.

     vertical intermediate stiffener

    B.

     horizontal stiffener at neutral axis

    C.

     bearing stiffener

    D.

     none of the above

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  7. For a standard 45° fillet, the ratio of size of fillet to throat thickness is

  8. A.

     1:1

    B.

     1 : V2

    C.

     V2 : 1

    D.

     2: 1

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  9. The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as

  10. A.

     0.65 kN/m2

    B.

     0.75 kN/m2

    C.

     1.35 kN/m2

    D.

     1.50 kN/m2

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  11. In the virtual work method, the virtual quantity is

  12. A.

     Displacement

    B.

     Load

    C.

     Slope

    D.

     Moment

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  13. Shape factor is a property which depends

  14. A.

     only on the ultimate stress of the material

    B.

     only on the yield stress of the material

    C.

     only on the geometry of the section

    D.

     both on the yield stress and ultimate stress of material

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  15. If the thickness of plate to be connected by a rivet is 16 mm, then suitable size of rivet as per Unwin’s formula will be

  16. A.

     16 mm

    B.

     20 mm

    C.

     24 mm

    D.

     27 mm

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  17. Horizontal stiffener in a plate girder is provided to safeguard against

  18. A.

     shear buckling of web plate

    B.

     compression buckling of web plate

    C.

     yielding

    D.

     all of the above

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  19. The capacity of the smallest pressed steel tank is

  20. A.

     1000 litre

    B.

     1650 litre

    C.

     1950 litre

    D.

     2450 litre

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