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What is the measure of the fineness of an aquifer?
  • a)
    Average grain size
  • b)
    Effective diameter
  • c)
    Mean particle size
  • d)
    Uniformity coefficient
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
What is the measure of the fineness of an aquifer?a)Average grain size...


Effective Diameter:
The measure of the fineness of an aquifer is determined by the effective diameter of the grains that make up the aquifer. The effective diameter is a key parameter used to characterize the grain size distribution of an aquifer material.

Mean Particle Size:
The effective diameter represents the mean particle size of the grains in the aquifer. It is calculated by taking the square root of the product of the maximum and minimum particle sizes present in the aquifer material.

Significance:
The effective diameter provides valuable information about the porosity and permeability of an aquifer. Finer grains typically result in higher porosity and lower permeability, while coarser grains lead to lower porosity and higher permeability.

Uniformity Coefficient:
The uniformity coefficient is another important parameter that can be used to assess the fineness of an aquifer. It is calculated as the ratio of the effective size of the 60th percentile to the effective size of the 10th percentile in the grain size distribution.

Conclusion:
In conclusion, the effective diameter is a crucial measure of the fineness of an aquifer material, providing insights into its porosity and permeability characteristics. It is essential for understanding the behavior of groundwater flow and designing effective water management strategies in aquifer systems.
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Community Answer
What is the measure of the fineness of an aquifer?a)Average grain size...
Effective diameter is an index of the measure of the fineness of an aquifer. It is used for designing various intake components of a tubewell. For permeability D10 (i.e. 90% grains retained on the sieve) is taken as the effective size.
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What is the measure of the fineness of an aquifer?a)Average grain sizeb)Effective diameterc)Mean particle sized)Uniformity coefficientCorrect answer is option 'B'. Can you explain this answer?
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