A. based on allowable rate of change of centrifugal acceleration
B. based on rate of change of super elevation
C. higher of (A) and (B)
D. smaller of (A) and (B)
Related Mcqs:
- If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in meters is given by the expression_________________?
A. 0.38 N V3/2
B. 0.38 (NV3)”2
C. 3.8 NV”2
D. 3.8 (NV3)”2 - The transition curve used in the horizontal alignment of highways as per IRC recommendations is_______________?
A. spiral
B. lemniscate
C. cubic parabola
D. any of the above - The minimum design speed for hairpin bends in hill roads is taken as_______________?
A. 20 kmph
B. 30 kmph
C. 40 kmph
D. 50 kmph - The ruling design speed on a National Highway in plain terrain as per IRC recommendations is_____________?
A. 60 kmph
B. 80 kmph
C. 100 kmph
D. 120 kmph - If an ascending gradient of 1 in 50 meets a descending gradient of 1 in 50, the length of summit curve for a stopping sight distance of 80 m will be_______________?
A. zero
B. 64m
C. 80m
D. 60m - The maximum design gradient for vertical profile of a road is______________?
A. ruling gradient
B. limiting gradient
C. exceptional gradient
D. minimum gradient - For highway geometric design purposes the speed used is________________?
A. 15th percentile
B. 50 “”percentile
C. 85th percentile
D. 98 “”percentile - Which of the following is known as design capacity ?
A. basic capacity
B. theoretical capacity
C. possible capacity
D. practical capacity - Group index method of design of flexible pavement is_______________?
A. a theoretical method
B. an empirical method based on physical properties of subgrade soil
C. an empirical method based on strength characteristics of subgrade soil
D. a semi empirical method - The method of design of flexible pavement as recommended by IRC is____________?
A. group index method
B. CBR method
C. Westergaard method
D. Benkelman beam method
