Structural Analysis
Effects of shear force and axial force on plastic moment capacity of a structure are respectively to

decrease and increase
decrease and decrease
increase and decrease
increase and increase

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Structural Analysis
When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when

The centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration
None of these
The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system
The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration

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Structural Analysis
Pick up the correct statement for the web stiffeners.

For horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange
Vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d
d is the distance between flange angles or the clear distance between flanges
All of these

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