

MCQOPTIONS
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1. |
The coefficient of permeability of clean gravel is _________ |
A. | 1*10¯⁶ and smaller |
B. | 5*10¯⁴ – 1*10¯⁵ |
C. | 1 – 1*10¯² |
D. | 1 and greater |
Answer» E. | |