The sinking of the dredge is uniform in which of the following, shapes of well?

___________ forms the most common type of deep foundation for bridges.

The radius of the well curb should be kept _____ larger than the outside radius of well steining.

Excavation of soil inside the well in river beds can be done by ____

When a rigid well starts moving parallel, it transforms the soil in to ______

In order to prevent leakage of air in the working chamber ____ is provided.

Coefficient of horizontal soil reaction m, depends on _____

The working chamber of pneumatic caissons are kept airtight because ____