Question

The soil to be protected by protective filter is known as __________

(a) Pervious materials

(b) Protective materials

(c) Base material

(d) Porous materials

I got this question in my homework.

I want to ask this question from Protective Filters in portion Drainage and Dewatering of Geotechnical Engineering I

Answer 1

The correct choice is (c) Base material

To explain: The soil to be protected i.e., the embankment or foundation material surrounding the filter is known as the base materials.