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1. |
If the coefficient of permeability of soil is 9*10-7cm/s and porosity is 0.33, then its coefficient of percolation is ______ |
A. | 8*10-7cm/s |
B. | 27*10-7cm/s |
C. | 26*10-7cm/s |
D. | 13*10-7cm/s |
Answer» C. 26*10-7cm/s | |