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Civil Engineering :: Design of Steel Structures

Design of Steel Structures - section-1
  1. In the cross-section of a weld, throat is the

    2. A.

     minimum dimension
    B.

     average dimension
    C.

     maximum dimension
    D.

     none of the above

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  2. For rivets in tension with counter-sunk heads, the tensile value shall be

    3. A.

     reduced by 25 %
    B.

     reduced by 33.3%
    C.

     increased by 25 %
    D.

     increased by 33.3 %

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  3. Area of openings for buildings of large permeability is more than

    4. A.

     10% of wall area
    B.

     20% of wall area
    C.

     30% of wall area
    D.

     50% of wall area

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  4. Load factor is

    5. A.

     always equal to factor of safety
    B.

     always less than factor of safety
    C.

     always greater than factor of safety
    D.

     sometimes greater than factor of safety

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  5. Lug angles

    6. A.

     are used to reduce the length of connection.
    B.

     are unequal angles.
    C.

     increases shear lag.
    D.

     all the above

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  6. The effective length of a battened column is increased by

    7. A.

     5%
    B.

     10%
    C.

     15%
    D.

     20%

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  7. The statical method of plastic analysis satisfies

    8. A.

     equilibrium and mechanism conditions
    B.

     equilibrium and plastic moment conditions
    C.

     mechanism and plastic moment conditions
    D.

     equilibrium condition only

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  8. The mechanism method of plastic analysis satisfies

    9. A.

     equilibrium and mechanism conditions
    B.

     equilibrium and plastic moment conditions
    C.

     mechanism and plastic moment conditions
    D.

     equilibrium condition only

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  9. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet.)

    10. A.

     is at the maximum distance from CG of the rivet group
    B.

     is at the minimum distance from CG of the rivet group
    C.

     gives the maximum angle between the two forces Fa and Fm
    D.

     gives the minimum angle between the two forces Fa and Fm

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  10. The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:

    11. A.

     4.5 mm
    B.

     6 mm
    C.

     8 mm
    D.

     10 mm

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