Which of the following tests measures the toughness of road aggregates ?
(A) crushing strength test
(B) abrasion test
(C) impact test
(D) shape test
The direct interchange ramp involves____________?
(A) diverging to the right side and merging from left
(B) diverging to the left side and merging from right
(C) diverging to the right side and merging from right
(D) diverging to the left side and merging from left
Los Angeles testing machine is used to conduct______________?
(A) abrasion test
(B) impact test
(C) attrition test
(D) crushing strength test
In soils having same values of plasticity index, if liquid limit is increased, then_____________?
(A) compressibility and permeability decrease and dry strength increases
(B) compressibility, permeability and dry strength decrease
(C) compressibility, permeability and dry strength increase
(D) compressibility and permeability increase and dry strength decreases
The most economical lighting layout which is suitable for narrow roads is_______________?
(A) single side lighting
(B) staggered system
(C) central lighting system
(D) none of the above
When the width of kerb parking space and width of street are limited, generally preferred parking system is________________?
(A) parallel parking
(B) 45° angle parking
(C) 65° angle parking
(D) 90° angle parking
When a number of roads are meeting at a point and only one of the roads is important, then the suitable shape of rotary is________________?
(A) circular
(B) tangent
(C) elliptical
(D) turbine
Penetration test on bitumen is used for determining its_____________?
(A) grade
(B) viscosity
(C) ductility
(D) temperature susceptibility
The method of design of flexible pavement as recommended by IRC is____________?
(A) group index method
(B) CBR method
(C) Westergaard method
(D) Benkelman beam method
Flexible pavement distribute the wheel load_____________?
(A) directly to subgrade
(B) through structural action
(C) through a set of layers to the subgrade
(D) none of the above