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Highway Engineering - Engineering

Q1:

If the width of carriage way is 12.5 metres, outer edge 50 cm higher than the inner edge, the required super elevation is

A 50 cm

B 1 in 25

C 1 in 400

D 1 in 40

E 1 in 24

ANS:B - 1 in 25

Tan = P/B.
= 0.5/12.5,
= 0.04,
= 4% = 1:25.