1
GATE CE 2017 Set 1
+1
-0.3
A super-elevation e is provided on a circular horizontal curve such that a vehicle can be stopped on the curve without sliding. Assuming a design speed v and maximum coefficient of side friction fmax, which one of the following criteria should be satisfied?
A
$$e\leq f_{max}$$
B
$$e\;>f_{max}$$
C
no limit on e can be set
D
$$e\;=\;\frac{1\;-\;\left(f_{max}\right)^2}{f_{max}}$$
2
GATE CE 2015 Set 2
+1
-0.3
A superspeedway in New Delhi has among the highest super-elevation rates of any track on the Indian Grand Prix circuit. The track requires drivers to negotiate turns with a radius of 335 m and 33° banking. Given this information, the coefficient of side friction required in order to allow a vehicle to travel at 320 km/h along the curve is
A
1.761
B
0.176
C
0.253
D
2.530
3
GATE CE 2014 Set 2
+1
-0.3
A road is being designed for a speed of 110 km/hr on a horizontal curve with a super elevation of 8%. If the coefficient of side friction is 0.10, the minimum radius of the curve (in m) required for safe vehicular movement is
A
115.0
B
152.3
C
264.3
D
528.5
4
GATE CE 2009
+1
-0.3
The value of lateral friction or side friction used in the design of horizontal curve as per India Roads Congress guidelines is
A
0.40
B
0.35
C
0.24
D
0.15
GATE CE Subjects
Construction Material and Management
Geomatics Engineering Or Surveying
Engineering Mechanics
Transportation Engineering
Environmental Engineering
Geotechnical Engineering
Fluid Mechanics and Hydraulic Machines
General Aptitude
EXAM MAP
Medical
NEET