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

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

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Highway Engineering
The provision of traffic signals at intersections

reduces right angled collisions but may increase rear end collisions
increases right angled and rear end collisions
reduces rear end collisions but may increase right angled collisions
reduces right angled and rear end collisions

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Highway Engineering
In case of summit curves, the deviation angle will be maximum when

an ascending gradient meets with a level surface
an ascending gradient meets with a descending gradient
an ascending gradient meets with another ascending gradient
a descending gradient meets with another descending gradient

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