A. 0.4 %
B. 0.6%
C. 0.8 %
D. 1.0 %
Related Mcqs:
- When the bituminous surfacing is done on already existing black top road or over existing cement concrete road, the type of treatment to be given is________________?
A. seal coat
B. tack coat
C. prime coat
D. spray of emulsion - 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 - The maximum design gradient for vertical profile of a road is______________?
A. ruling gradient
B. limiting gradient
C. exceptional gradient
D. minimum gradient - As per IRC recommendations, the maximum limit of super elevation for mixed traffic in plain terrain is_______________?
A. 1 in 15
B. 1 in 12.5
C. 1 in 10
D. equal to camber - Softening point of bitumen to be used for read construction at a place where maximum temperature is 40° C should be______________?
A. less-than 40°C
B. greater than 40°C
C. equal to 40°C
D. none of the above - The aggregates required for one kilometer length of water bound macadam road per meter width and for 10 mm thickness is________________?
A. 8 cubic meter
B. 10 cubic meter
C. 12 cubic meter
D. 15 cubic meter - 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 - 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 - On a single lane road with two way traffic, the minimum stopping sight distance is equal to______________?
A. stopping distance
B. two times the stopping distance
C. half the stopping distance
D. three times the stopping distance - The shoulder provided along the road edge should be_______________?
A. rougher than the traffic lanes
B. smoother than the traffic lanes
C. of same colour as that of the pavement
D. of very low load bearing capacity
