Question

Which of the following well, does not penetrate to the full depth of an aquifer?

(a) Fully penetrating artesian gravity wall

(b) Partially penetrating artesian wall

(c) Partially penetrating artesian gravity wall

(d) All of the mentioned

I had been asked this question in final exam.

My doubt stems from Well Hydraulics in section Well Hydraulics of Geotechnical Engineering I

Answer 1

Correct answer is (b) Partially penetrating artesian wall

Explanation: A partially penetrating artesian well is the one in which the well screen does not penetrate to the full depth of the confined aquifer. Such wells extend only partly through the water bearing stratum.