A. 0.38 N V3/2
B. 0.38 (NV3)”2
C. 3.8 NV”2
D. 3.8 (NV3)”2
Related Mcqs:
- The absolute minimum radius of curve for safe operation for a speed of 110 kmph is______________?
A. 110 m
B. 220 m
C. 440 m
D. 577 m - For design, that length of transition curve should be taken which is_____________?
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) - In case of summit curves, the deviation angle will be maximum when_______________?
A. an ascending gradient meets with another ascending gradient
B. an ascending gradient meets with a descending gradient
C. a descending gradient meets with another descending gradient
D. an ascending gradient meets with a level surface - To calculate the minimum value of ruling radius of horizontal curves in plains, the design speed is given by_________________?
A. 8 kmph
B. 12kmph
C. 16kmph
D. 20 kmph - Which of the following shapes is preferred in a valley curve ?
A. simple parabola
B. cubic parabola
C. spiral
D. lemniscate - 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 - For the design of super elevation for mixed traffic conditions, the speed is reduced by_____________?
A. 15%
B. 20%
C. 25%
D. 75% - For highway geometric design purposes the speed used is________________?
A. 15th percentile
B. 50 “”percentile
C. 85th percentile
D. 98 “”percentile - 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 - 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
