Highway Engineering
Which of the following methods is preferred for collecting origin and destination data for a small area like a mass business center or a large intersection ?

return postcard method
home interview method
road side interview method
license plate method

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Highway Engineering
Select the correct statement.

All of these
More the value of group index, less thickness of pavement will be required
More the value of CBR, greater thickness of pavement will be required
Minimum and maximum values of group index can be 0 and 20 respectively

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

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

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