Question

The liquid limit (LL), plastic limit (PL) and shrinkage limit (SL) of a cohesive soil satisfy the relation:

• A. LL $>$ PL $<$ SL
• B. LL $>$ PL $>$ SL
• C. LL $<$ PL $<$ SL
• D. LL $<$ PL $>$ SL

Hint:

Always remember the order: LL (highest), PL (middle), SL (lowest) for cohesive soils.

Answer 1

The Correct Option is B

Step 1: Recall the definitions.
- Liquid Limit (LL): The water content at which soil changes from plastic state to liquid state.
- Plastic Limit (PL): The water content at which soil changes from semi-solid state to plastic state.
- Shrinkage Limit (SL): The water content at which further loss of moisture does not result in decrease of soil volume.

Step 2: Relationship among the limits.
By definition: \[ \text{LL} > \text{PL} > \text{SL}. \]

Step 3: Conclusion.
Therefore, the correct relation is LL $>$ PL $>$ SL.