The ductility value of bitumen for suitability in road construction should not be less than
A. 30 cm
B. 40 cm
C. 50 cm
D. 60 cm
Answer: Option C
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
The minimum ductility value generally specified in pavement construction is
According to AASHTO must be more than 100cm
It's 75cm
its 50mm not 50 cm
Minimum ductility value is 75cm
No , 50 cm is wrong answer . It should be 75 cm as per NPTEL research paper
75cm
Answer should be 40 cm
What u say