Calculate the Manning’s rugosity coefficient in a coarse alluvium gr – McqOptions

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1.	Calculate the Manning’s rugosity coefficient in a coarse alluvium gravel with D-75 size of 5 cm.
A.	0.025 m
B.	0.035 m
C.	0.055 m
D.	0.1 m
Answer» B. 0.035 m

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