A soil sample was tested for liquid limit (35%) and plastic limit (25%). What is the plasticity index (PI) ? O 10 15 20 25

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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**Question: Determining the Plasticity Index (PI)**

A soil sample was tested for its liquid limit (35%) and plastic limit (25%). What is the plasticity index (PI)?

- ○ 10
- ○ 15
- ○ 20
- ○ 25

**Explanation:**

The Plasticity Index (PI) is calculated as the difference between the liquid limit (LL) and the plastic limit (PL):

\[ \text{PI} = \text{LL} - \text{PL} \]

Given:
- Liquid Limit (LL) = 35%
- Plastic Limit (PL) = 25%

Calculation:
\[ \text{PI} = 35\% - 25\% = 10\% \]

The correct answer is 10.
Transcribed Image Text:**Question: Determining the Plasticity Index (PI)** A soil sample was tested for its liquid limit (35%) and plastic limit (25%). What is the plasticity index (PI)? - ○ 10 - ○ 15 - ○ 20 - ○ 25 **Explanation:** The Plasticity Index (PI) is calculated as the difference between the liquid limit (LL) and the plastic limit (PL): \[ \text{PI} = \text{LL} - \text{PL} \] Given: - Liquid Limit (LL) = 35% - Plastic Limit (PL) = 25% Calculation: \[ \text{PI} = 35\% - 25\% = 10\% \] The correct answer is 10.
Continued: If the water content is 40%, the state of the soil is in:

- ○ solid
- ○ semisolid
- ○ plastic
- ○ liquid

This question provides four options, asking to determine the state of the soil given a specific water content. There are no graphs or diagrams provided.
Transcribed Image Text:Continued: If the water content is 40%, the state of the soil is in: - ○ solid - ○ semisolid - ○ plastic - ○ liquid This question provides four options, asking to determine the state of the soil given a specific water content. There are no graphs or diagrams provided.
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