A. More the value of group index, less thickness of pavement will be required
B. More the value of CBR, greater thickness of pavement will be required
C. Minimum and maximum values of group index can be 0 and 20 respectively
D. all of the above
Related Mcqs:
- Select the correct statement______________?
A. Nagpur road plan formula take into account the towns with very large population
B. Nagpur road plan has a target road length of 32 km per 100 square km
C. Second 20-year plan has provided 1600 km of expressways out of the proposed National highway
D. Second 20-year plan allowed deduction of length of railway track in the area while calculating the length of roads - Select the correct statement_________________?
A. Psychological extra widening depends on the number of traffic lanes.
B. Mechanical extra widening depends on the speed of vehicle.
C. Psychological extra widening depends on the length of wheel base.
D. Psychological extra widening depends on the speed of vehicle - Select the correct statement__________________?
A. Traffic volume should always be more than traffic capacity
B. Traffic capacity should always be more than traffic volume
C. Spot speed is the average speed of a vehicle at a specified section
D. 85th percentile speed is more than 98th percentile speed - Select the correct statement________________?
A. Quantity of binder required for tack coat is less than that required for prime coat
B. Prime coat treatment is given for plugging the voids in water bound macadam during bituminous road construction
C. Seal coat is the final coat over certain previous bituminous pavements
D. A bitumen primer is a high viscosity cutback - Select the incorrect statement?
A. Stop or red time of a signal is the sum of go and clearance intervals for the cross flow
B. Go or green time of a signal is the sum of stop and clearance intervals for the cross flow
C. Clearance time is generally 3 to 5 seconds
D. The cycle length is normally 40 to 60 seconds for two phase signals - For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is________________?
A. dry rolling, wet rolling, application of screening and application of filler
B. dry rolling, application of filler, wet rolling and application of screening
C. dry rolling, application of screening, wet rolling and application of filler
D. dry rolling, application of screening, application of filler and wet rolling - 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 - 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 - The most economical lighting layout which is suitable for narrow roads is_______________?
A. single side lighting
B. staggered system
C. central lighting system
D. none of the above - The fundamental factor in the selection of pavement type is_____________?
A. climatic condition
B. type and intensity of traffic
C. subgrade soil and drainage conditions
D. availability of funds for the construction project
