A _____________ is defined as a structure which is sunk through

a-is-defined-as-a-structure-which-is-sunk-through

A _____________ is defined as a structure which is sunk through ground or water to exclude water and semi fluid material during the process of excavation of foundations.

A. Cofferdam

B. Caisson

C. Well

D. Pit

I got this question by my college director while I was bunking the class.

My doubt stems from Classification of Caissons in division Deep Excavations, Pile Foundations and Caisson of Construction & Building Materials

Correct option is B. Caisson

Explanation: A Caisson is a relatively large deep foundation and resembles is pile foundation in transferring the superstructure load to some desired depth. However, Caisson differs from a pile in size and in the method of construction.