Highway Engineering
The attainment of super elevation by rotation of pavement about the inner edge of the pavement

is preferable in steep terrain
results in balancing the earthwork
does not change the vertical alignment of road
avoids the drainage problem in flat terrain

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Highway Engineering
The entrance and exit curves of a rotary have

different radii and different widths of pavement
equal pavement widths but radius is more at entrance curve than at exit curve
equal radii and equal widths of pavement
equal radii but pavement width is more at entrance than at exit curve

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Highway Engineering
For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is

dry rolling, wet rolling, application of screening and application of filler
dry rolling, application of screening, wet rolling and application of filler
dry rolling, application of screening, application of filler and wet rolling
dry rolling, application of filler, wet rolling and application of screening

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Highway Engineering
In soils having same values of plasticity index, if liquid limit is increased, then

Compressibility and permeability increase and dry strength decreases
Compressibility, permeability and dry strength decrease
Compressibility and permeability decrease and dry strength increases
Compressibility, permeability and dry strength increase

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