Structural Analysis
Pick up the incorrect statement from the following:

The gross section of the web of channels is the depth of the web multiplied by its thickness
The gross section of the web of plate girders is the depth of the web plate multiplied by its thickness
None of these
The gross section of the web of rolled I-beams is the depth of the beam multiplied by the web thickness

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Structural Analysis
For under water concreting.

The volume of coarse aggregates shall not be less than one and half times and not more than twice that of fine aggregate
De-watering by pumping is not done or until 24 hours thereafter
At least 10 percent more cement is required as compared to dry conditions
All of these

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Structural Analysis
When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that

the load position should be such that the section divides the load in the same ratio as it divides the span
the head of the load reaches the section
the tail of the load reaches the section
the load position should be such that the section divides it equally on both sides

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