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

Tie bars in cement concrete pavements are at______________?

A. Expansion joints
B. Contraction joints
C. Warping joints
D. Longitudinal joints

Rigidity factor for a tyre pressure greater than 7 kg/cm2 is_______________?

A. Equal to 1
B. Less than 1
C. Greater than 1
D. Zero

Tyre pressure influences the______________?

A. Total depth of pavement
B. Quality of surface course
C. Both the above
D. None of the above

The number of repetitions, which the pavement thickness designed for a given wheel load should be able to support during the life of pavement is______________?

A. 1000
B. 10000
C. 100000
D. 1000000

Bottom most layer of pavement is known as_____________?

A. Wearing course
B. Base course
C. Sub-base course
D. Subgrade

For rapid curing cutbacks, the oil used is______________?

A. Gasoline
B. Kerosene oil
C. Light diesel
D. Heavy diesel

RC-2, MC-2 and SC-2 correspond to_______________?

A. Same viscosity
B. Viscosity in increasing order from rc-2 to sc-2
C. Viscosity in decreasing order from rc-2 to sc-2
D. None of the above