Question

The general average yield from standard tube wells is of order of____________

(a) 5 L/sec

(b) 50 L/sec

(c) 500 L/sec

(d) 5000 L/sec

The question was asked during an interview.

My doubt is from Tube Well-1 in portion Ground Water for Irrigation through Wells and Tubewells of Irrigation Engineering

Answer 1

Correct choice is (b) 50 L/sec

To explain: Tube well irrigation is very suitable where the subsoil formation is suitable for storing water. The general average yield from the standard deep tube-wells is of the order 40 to 50 liters/sec. Shallow tube-wells may yield as high as 15-20 liters/sec if located at proper places.