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The ratio of liquid to plasticity index for a soil mass is called -
  • a)
    Liquidity index
  • b)
    Shrinkage ratio
  • c)
    Consistency index
  • d)
    None of the above
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The ratio of liquid to plasticity index for a soil mass is called -a)...
Liquidity index
Shrinkage ratio- It is defined as the ratio of a given volume change in a soil expressed as a percentage of dry volume to the corresponding change in water content above the shrinkage limit.
Consistency index
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Most Upvoted Answer
The ratio of liquid to plasticity index for a soil mass is called -a)...
Explanation:

The ratio of liquid to plasticity index for a soil mass is called the liquidity index. The liquidity index is an important parameter that is used to classify soils based on their consistency and behavior.


Liquidity Index:

The liquidity index (LI) is defined as the ratio of the difference between the liquid limit (LL) and the plastic limit (PL) to the plasticity index (PI) of the soil mass.

Liquidity Index (LI) = (LL - PL) / PI


Significance of Liquidity Index:

The liquidity index provides valuable information about the behavior and consistency of the soil. It helps in determining the state of the soil, whether it is in a liquid, plastic, or solid state.

The liquidity index can be used to classify soils into different categories based on their consistency and behavior. These categories include:


  • Very stiff soil (LI > 1)

  • Stiff soil (0.7 < li="" ≤="" />

  • Plastic soil (0.3 < li="" ≤="" />

  • Semi-plastic soil (0.1 < li="" ≤="" />

  • Slightly plastic soil (0 < li="" ≤="" />

  • Non-plastic soil (LI = 0)



Other Options:

Option 'A': Liquidity index is the correct answer and not the ratio of liquid to plasticity index.

Option 'B': Shrinkage ratio is the ratio of the change in volume of the soil mass to the initial volume of the soil mass. It is not related to the ratio of liquid to plasticity index.

Option 'C': Consistency index is a measure of the stiffness or hardness of a soil. It is not related to the ratio of liquid to plasticity index.


Therefore, the correct answer is option 'D': None of the above.
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The ratio of liquid to plasticity index for a soil mass is called -a)Liquidity indexb)Shrinkage ratioc)Consistency indexd)None of the aboveCorrect answer is option 'D'. Can you explain this answer?
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