If the group index value of subgrade is between 5 and 9, then the subgrade is treated as
A. good
B. fair
C. poor
D. very poor
Answer: Option C
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Highway facilities are designed for
A. annual average hourly volume
B. annual average daily traffic
C. thirtieth highest hourly volume
D. peak hourly volume of the year
The provision of traffic signals at intersections
A. reduces right angled and rear end collisions
B. increases right angled and rear end collisions
C. reduces right angled collisions but may increase rear end collisions
D. reduces rear end collisions but may increase right angled collisions
In CBR test the value of CBR is calculated at
A. 2.5 mm penetration only
B. 5.0 mm penetration only
C. 7.5 mm penetration only
D. both 2.5 mm and 5.0 mm penetrations
If aggregate impact value is 20 to 30 percent, then it is classified as
A. exceptionally strong
B. strong
C. satisfactory for road surfacing
D. unsuitable for road surfacing
GI=0.2ac+0.005ac+0.01bd
0-1 is considered good
2-4 is fair
5-9 is poor
10-20 is very poor
1-2 excellent
2-4fair
5-9poor
9_20 very por