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
All of these
At least 10 percent more cement is required as compared to dry conditions
De-watering by pumping is not done or until 24 hours thereafter

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Structural Analysis
The effective and actual lengths of a cantilever are same if continuous at the support,

With partial restraint against torsion of the support and free at the end
None of these
Unstrained against torsion at the support and free at the end
Restrained against torsion at the support and free at the end

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Structural Analysis
Pick up the incorrect statement from the following:

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

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