UPSC Civil Service Exam Questions - Engineering

Q1:

While designing the superelevation of a highway, its maximum value is fixed considering the need to

A avoid toppling of slow moving vehicles in mixed traffic flow

B avoid transverse skidding

C provide drainage

D counteract centrifugal force due to 75% of design speed

ANS:D - counteract centrifugal force due to 75% of design speed

The Max value of e is provided to avoid toppling of effect for the slow-moving vehicle.