Most commonly used section in grade aqueducts, is (A) Circular (B) Rectangular (C) Parabolic (D) Horse shoe section

Most commonly used section in grade aqueducts, is 

(A) Circular 

(B) Rectangular 

(C) Parabolic 

(D) Horse shoe section 

by

1 Answer

Answer :

(B) Rectangular 

by

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