WHAT_IS_THE_COEFFICIENT_OF_RUGOSITY_FOR_BRICK_LINED_SURFACE??$

1.	WHAT_IS_THE_COEFFICIENT_OF_RUGOSITY_FOR_BRICK_LINED_SURFACE??$
A.	0.011
B.	0.012
C.	0.015
D.	0.013
Answer» D. 0.013

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