Question:
Which one of the followings is not true about soil consistency ?
Which one of the followings is not true about soil consistency ?
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Atterberg limits (Liquid Limit, Plastic Limit) are used to quantify soil consistency, which is highly critical for determining the optimal moisture range for plowing and seedbed preparation.
Updated On: Jul 24, 2026
- It is the resistance of soil to deformation or rupture
- It depends upon the cohesive and adhesive properties of soil
- It deals with the strength and nature of forces between sand, silt and clay particles
- It does not indicate the workability of soil
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
Soil consistency describes the physical state of the soil at various moisture contents and its resistance to mechanical stress.
Detailed Explanation:
Let us evaluate the statements regarding soil consistency:
- (A) Resistance to deformation or rupture: This is the exact definition of soil consistency. Thus, this statement is true.
- (B) Dependence on cohesive and adhesive properties: Soil consistency is determined by cohesion (attraction between soil particles) and adhesion (attraction between soil particles and water). Thus, this statement is true.
- (C) Inter-particle forces: Consistency is determined by the strength and nature of forces acting between the primary soil particles (sand, silt, clay). Thus, this statement is true.
- (D) Indication of workability: Soil consistency is highly critical for agriculture as it directly indicates the soil's workability (ease of tillage and trafficability at different moisture levels). Therefore, the statement "It does not indicate the workability of soil" is false.
Step 2: Final Answer:
The false statement is Option (D).
Soil consistency describes the physical state of the soil at various moisture contents and its resistance to mechanical stress.
Detailed Explanation:
Let us evaluate the statements regarding soil consistency:
- (A) Resistance to deformation or rupture: This is the exact definition of soil consistency. Thus, this statement is true.
- (B) Dependence on cohesive and adhesive properties: Soil consistency is determined by cohesion (attraction between soil particles) and adhesion (attraction between soil particles and water). Thus, this statement is true.
- (C) Inter-particle forces: Consistency is determined by the strength and nature of forces acting between the primary soil particles (sand, silt, clay). Thus, this statement is true.
- (D) Indication of workability: Soil consistency is highly critical for agriculture as it directly indicates the soil's workability (ease of tillage and trafficability at different moisture levels). Therefore, the statement "It does not indicate the workability of soil" is false.
Step 2: Final Answer:
The false statement is Option (D).
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