Structural Analysis
For under water concreting.

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
The volume of coarse aggregates shall not be less than one and half times and not more than twice that of fine aggregate

ANSWER DOWNLOAD EXAMIANS APP

Structural Analysis
To generate the j th column of the flexibility matrix

a unit force is applied at coordinate j and the displacements are calculated at all coordinates
a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates
a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates
a unit force is applied at coordinate j and the forces are calculated at all coordinates

ANSWER DOWNLOAD EXAMIANS APP