1.

Cement concrete sewers are only suitable if non-scouring velocity is between

A. .5 to 3.0 m/sec
B. .0 to 4.0 m/sec
C. .5 to 4.5 m/sec
D. .5 to 5.5 m/sec
Answer» B. .0 to 4.0 m/sec


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