Highway Engineering MCQs

In soils having same values of plasticity index, if liquid limit is increased, then_____________?

by
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 correct answer is option D.

Select the correct statement______________?

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A. More the value of group index, less thickness of pavement will be required
B. More the value of CBR, greater thickness of pavement will be required
C. Minimum and maximum values of group index can be 0 and 20 respectively
D. all of the above
✅ The correct answer is option C.

For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is________________?

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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
✅ The correct answer is option C.

The provision of traffic signals at intersections______________?

by
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
✅ The correct answer is option C.