In the process of pile foundation, boring is done with the help of _____

The bearing value of the pressure pile can be increased by which of the following?

The efficiency of pile group depends upon ______

The equipment required for construction of a under-reamed pile is________

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

The types of uncased piles used are ______

In which of the following piles, alligator jaw point can be used?

Under-reamed pile foundation is most suitable for _______ type of condition.