The fundamental factor in the selection of pavement type is_____________?
(A) climatic condition
(B) type and intensity of traffic
(C) subgrade soil and drainage conditions
(D) availability of funds for the construction project
If the group index value of subgrade is between 5 and 9, then the subgrade is treated as_____________?
(A) good
(B) fair
(C) poor
(D) very poor
The critical combination of stresses for corner region in cement concrete roads is____________?
(A) load stress + warping stress frictional stress
(B) load stress + warping stress + frictional stress
(C) load stress + warping stress
(D) load stress + frictional stress
The maximum spacing of contraction joints in rigid pavements is_____________?
(A) 2.5 m
(B) 3.5 m
(C) 4.5 m
(D) 5.5m
The function of an expansion joint in rigid pavements is to______________?
(A) relieve warping stresses
(B) relieve shrinkage stresses
(C) resist stresses due to expansion
(D) allow free expansion
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
The thickness of bituminous carpet varies from__________________?
(A) 20 to 25 mm
(B) 50 to 75 mm
(C) 75 to 100 mm
(D) 100 to 120 mm
The suitable surfacing material for a bridge deck slab is________________?
(A) sheet asphalt
(B) bituminous carpet
(C) mastic asphalt
(D) rolled asphalt
Which of the following premix methods is used for base course ?
(A) bituminous carpet
(B) mastic asphalt
(C) sheet asphalt
(D) bituminous bound macadam
In the penetration macadam construction, the bitumen is__________________?
(A) sprayed after the aggregates are spread and compacted
(B) premixed with aggregates and then spread
(C) sprayed before the aggregates are spread and compacted
(D) none of the above