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.Management Sciences
Category: Highway Engineering
The value of ruling gradient in plains as per IRC recommendation is______________?
A. 1 in 12
B. 1 m 15
C. 1 in 20
D. 1 in 30
Compared to a level surface, on a descending gradient the stopping sight distance is_______________?
A. less
B. more
C. same
D. dependent on the speed
On a single lane road with two way traffic, the minimum stopping sight distance is equal to______________?
A. stopping distance
B. two times the stopping distance
C. half the stopping distance
D. three times the stopping distance
For the design of super elevation for mixed traffic conditions, the speed is reduced by_____________?
A. 15%
B. 20%
C. 25%
D. 75%
Camber in the road is provided for_______________?
A. effective drainage
B. counteracting the centrifugal force
C. having proper sight distance
D. none of the above
The desirable length of overtaking zone as per IRC recommendation is equal to________________?
A. overtaking sight distance
B. two times the overtaking sight distance
C. three times the overtaking sight distance
D. five times the overtaking sight distance
Rigidity factor for a tyre pressure greater than 7 kg/cm2 is_______________?
A. equal to 1
B. less than 1
C. greater than 1
D. zero
Flexible pavement distribute the wheel load_____________?
A. directly to subgrade
B. through structural action
C. through a set of layers to the subgrade
D. none of the above
The most efficient traffic signal system is________________?
A. simultaneous system
B. alternate system
C. flexible progressive system
D. simple progressive system
The shape of the camber, best suited for cement concrete pavements, is_______________?
A. straight line
B. parabolic
C. elliptical
D. combination of straight and parabolic
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