The analysis of well foundation is done based on the assumptions of _____

Well are also called as ______

Frictional resistance developed during the sinking the well depends on ______

The well curb is designed for which of the following purpose?

The essential feature of a pneumatic caissons are ______

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

The common types of well shape are _____

When the well is sunk deeper, the skin friction is decreased by which of the following method?