Question

Soil classification based on the particle size distribution is _____________

(a) Unified soil classification

(b) IS classification

(c) Particle size classification

(d) Textural classification

I got this question by my school principal while I was bunking the class.

This intriguing question originated from Soils in division Classification of Soils of Geotechnical Engineering I

Answer 1

Right answer is (d) Textural classification

To elaborate: Soil classification of composite soils exclusively based on the particle size distribution is known as textural classification.