Question

The specific retention SR is given by _______

(a) (VwR+V)*100

(b) (VwR-V)*100

(c) (VwR/V)*100

(d) (VwR*V)*100

I had been asked this question in examination.

Origin of the question is Well Hydraulics topic in portion Well Hydraulics of Geotechnical Engineering I

Answer 1

The correct option is (c) (VwR/V)*100

To explain I would say: The specific retention SR of an aquifer is defined as the ratio of volume of water retained VwR to the total volume V. It is expressed as percentage.