The value of ruling gradient in hills, as recommended by Indian Roads Congress, is
A. 1 in 10
B. 1 in 20
C. 1 in 30
D. 1 in 40
Answer:B
The value of ruling gradient in hills, as recommended by Indian Roads Congress, is
A. 1 in 10 B. 1 in 20 C. 1 in 30 D. 1 in 40