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Highway Engineering - Engineering

Q1:

If the radius of curvature of a hill road is 50 m, the percentage grade compensation should be

A 60/R

B 70/R

C 75/R

D 80/R

E 100/R

ANS:C - 75/R

We'll go for min ( (30+R) /R, 75/R).

So, option C is right.