In dynamic formulae what are the energy losses, that is not accounted?

The piles that are suitable for end-bearing to friction friction-load carrying soils is _____

The pile spacing of each pile is taken as ______ diameter of the pile.

The Raymond standard pile is used primarily as a________

The use of bore guide in under-reamed pile foundation is essential for ______

Which of the following piles is a cast-in-situ type of concrete pile?

The allowable load which the pile can carry safely is determined on the basis of ____

For completion of one under-ream, how many buckets of earth are required for removal?