The entrance and exit curves of a rotary have
A. equal radii and equal widths of pavement
B. equal radii but pavement width is more at entrance than at exit curve
C. equal pavement widths but radius is more at entrance curve than at exit curve
D. different radii and different widths of pavement
Answer: Option D
This Question Belongs to Civil Engineering >> Highway Engineering
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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
At entrance radius & width is decreased So that before entry of the vehicle speed can be reduced and at exit vehicle speed can be increased to design speed