Which of the following are some of the commonly used dynamic formula?

The precast concrete piles are generally used for a maximum design load of about ________

The base of an vibro-pile should be in the shape of _______

In which of the following rule, the value of each pile is reduced by one-sixteenth?

The types of Raymond concrete piles in use are ______

The load carrying capacity of a pile can be determined by which of the following methods?

Piles are commonly driven in to ground by means of special device called ______

Which of the following pile is used, when the ground is soft?