Structural Analysis
Pick up the correct statement applicable to cased columns.

Single I-beam or channels back with or without flange plates may be used
All of these
The surface and edges of the steel column should be provided a concrete cover not less than 50 mm
Single I-beam or channels back with or without flange plates may be used

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

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Structural Analysis
The effective length of lacing is the distance

All of these
0.7 of the distance between the inner end rivets of the bar for double lacing
Between the inner ends of effective lengths of welds connecting the members
Between the inner end rivets of the bar for single lacing

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