For effective drainage, the finished surface of flat roof should have a minimum slope of (A) 1 in 20 (B) 1 to 50 (C) 1 in 10 (D) 1 in 5

For effective drainage, the finished surface of flat roof should have a minimum slope of
(A) 1 in 20
(B) 1 to 50
(C) 1 in 10
(D) 1 in 5
by

1 Answer

Answer :

Answer: Option A
by

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