Structural Analysis
When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies

Less than the left half span
More than the left half span
Whole of left half span
Whole span

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Structural Analysis
The minimum horizontal distance between two parallel main reinforcing bars, is

5 mm more than nominal maximum size of the coarse aggregate
The diameter of the bar if their diameters are same
Greatest value of the above
The diameter of the longer bar if their diameters are unequal

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

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