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Civil Engineering :: Steel Structure Design

  1. Tacking rivets in compression plates not exposed to the weather, have a pitch not exceeding 300 mm or

  2. A.
    16 times the thickness of outside plate
    B.
    24 times the thickness of outside plate
    C.
    32 times the thickness of outside plate
    D.
    36 times the thickness of outside plate.

  3. Effective length of a column effectively held in position and restrained in direction at one end but neither held in position nor restrained in direction at the other end, is

  4. A.
    L
    B.
    0.67 L
    C.
    0.85 L
    D.
    1.5 L
    E.
    2 L

  5. For columns whose slenderness ratio is upto 160, the secant formula for the determination of allowable stress, is


  6. The effective length of a double angle strut with angles placed back to back and connected to both the sides of a gusset plate, by not less than two rivets, is

  7. A.
    0.5 L
    B.
    0.67 L
    C.
    0.85 L
    D.
    L
    E.
    2 L

  8. According to the Unwin's formula, if t is thickness of the plate in cm, the nominal diameter of the rivet, is

  9. A.
    d = 1.91 t
    B.
    d = 1.91 t2
    C.
    d = 1.91 t
    D.
    d = 1.91 t
    E.
    d = 2.3 t

  10. A single angle in tension is connected by one leg only. If the areas of connecting and outstanding legs are respectively a and b, net effective area of the angle, is

  11. A.
    B.
    C.
    D.
    E.
    none of these.

  12. The central deflection of a simply supported steel beam of length L with a concentrated load W at the centre, is


  13. If L is the overall length of a combined footing having A as its area, d being the distance between the centre of gravity of the base and centre of the base, the larger width b is


  14. On eccentrically loaded columns, the equivalent axial load may be obtained by

  15. A.
    adding the axial load, eccentric load, the product of the bending moment due to eccentric load and the appropriate bending factor
    B.
    adding the axial load and eccentric load and subtracting the product of bending moment and appropriate bending factor
    C.
    dividing the sum of axial load and eccentric load by the product of the bending moment and appropirate bending factor
    D.
    none of these.

  16. The distance between the outer faces of flanges of a plate girder, is known as

  17. A.
    overall depth
    B.
    clear depth
    C.
    effective depth
    D.
    none of these.