Q. Rankine's theory of active earth pressure assumes (A) Soil mass is homogeneous, dry and cohesionless (B) Ground surface is a plane which may be horizontal or inclined (C) Back of the wall is vertical and smooth (D) All the above 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (D) All the above