Question Bank • QB_SWCE_EXP_060 NAT • 2 Marks

Section 4: Soil and Water Conservation Engineering

Soil Mechanics

Subtopic: Soil compaction and Proctor test

Question Statement:

In consistency limits testing of an agricultural clay soil, the liquid limit is $w_L = 52\%$ and the plastic limit is $w_P = 24\%$. Calculate the Plasticity Index ($I_P$) in percentage.

Answer Key:

28

Step-by-Step Solution & Explanation

Plasticity Index: $I_P = w_L - w_P = 52 - 24 = 28\%$
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