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.
Answer: Option D
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Comments ( 4 )
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
D incurrent and all currect
I think D is incorrect and remaining options are correct
ABc correct
Option B and C also right.
Give justification for selecting only D