GATE Exam Questions - Engineering

Q1:

The superelevation needed for a vehicle travelling at a speed of 60 kmph on a curve of radius 128 m on a surface with a coefficient of friction of 0.15 is :

A 0.71

B 0.81

C 0.91

D 0.61

ANS:A - 0.71

@ Ritesh Kumar:

The super elevation "needed" is asked, so the answer is 0.071.
However, the super elevation "provided" will be 0.07, as we can't exceed the limit prescribed by IRC.