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
Answer: Option C
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
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