Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 2 (Q.No. 21)
21.
Consider the following factors pertaining to flow through soil:
1. Hydraulic gradient
2. Grain size
3. Void ratio
4. Cross-sectional area of the sample.
Of these, the factors affecting permeability include
1. Hydraulic gradient
2. Grain size
3. Void ratio
4. Cross-sectional area of the sample.
Of these, the factors affecting permeability include
Discussion:
3 comments Page 1 of 1.
Mohsin said:
7 years ago
It is regarding factors affecting the permeability of the soil and not the flow through the soil. Therefore permeability of soil depends on soil characteristics like grain size and void ratio.
(1)
Amith S said:
7 years ago
K = shape factor * [e^3/1+e] * d10 * [unit weight of water/dynamic viscosity].
(1)
Robi said:
8 years ago
A is correct. Here, Q= I *k *A.
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