The value of ruling gradient in plain, as recommended by Indian Roads Congress is -
(a) 1 in 10
(b) 1 in 20
(c) 1 in 30
(d) 1 in 40.
The correct Answer Is
(c) 1 in 30
(a) 1 in 10
(b) 1 in 20
(c) 1 in 30
(d) 1 in 40.
The correct Answer Is
(c) 1 in 30
