1
GATE CE 2016 Set 2
Numerical
+2
-0
A motorist traveling at 100 km/h on a highway needs to take the next exit, which has a speed limit of 50 km/h. The section of the roadway before the ramp entry has a downgrade of 3% and coefficient of friction ( f ) is 0.35. In order to enter the ramp at the maximum allowable speed limit, the braking distance (expressed in m) from the exit ramp is ______
Your input ____
2
GATE CE 2014 Set 1
Numerical
+2
-0
The perception-reaction time for a vehicle travelling at 90 km/h, given the coefficient of longitudinal friction of 0.35 and the stopping sight distance of 170 m (assume g = 9.81 m/s2), is _________ seconds.
Your input ____
3
GATE CE 2007
MCQ (Single Correct Answer)
+2
-0.6
While designing a hill road with a ruling gradient of 6%, if a sharp horizontal curve of 50m radius is encountered, the compensated gradient at the curve as per the Indian Roads Congress specifications should be
A
4.4%
B
4.75%
C
5.0%
D
5.25%
4
GATE CE 2000
MCQ (Single Correct Answer)
+2
-0.6
Design rate of super elevation for horizontal highway curve of radius 450 m for a mixed traffic condition, having a speed of 125 km/hour is
A
1.0
B
0.05
C
0.07
D
0.154
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