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

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

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

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
With partial restraint against torsion of the support and free at the end

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