Q.

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

A. ) 2.5 to 3.0 m/sec (B) (C) (D)
B. 3.0 to 4.0 m/sec
C. 3.5 to 4.5 m/sec
D. 4.5 to 5.5 m/sec
Answer» A. ) 2.5 to 3.0 m/sec (B) (C) (D)
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