Highway Engineering
The aggregates required for one kilometer length of water bound macadam road per meter width and for 10 mm thickness is

8 cubic meter
12 cubic meter
15 cubic meter
10 cubic meter

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Highway Engineering
A traffic rotary is justified where

space is limited and costly
number of intersecting roads is between 4 and 7
when traffic volume is less than 500 vehicles per hour
when traffic volume is more than 5000 vehicles per hour

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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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