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Highway Engineering - Engineering

Q1:

The best compromise between the increase of the length of a highway and reduction in its load carrying capacity, is the ruling gradient

A 1 in 10

B 1 in 15

C 1 in 20

D 1 in 25

E l in 30

ANS:C - 1 in 20

@Ravi.

Because the condition stated above for floating gradient or exceptional gradient. IRC recommend for the above gradient is 1/20.