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

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

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Highway Engineering
With increase in speed of the traffic stream, the maximum capacity of the lane

first decreases and then increases after reaching a minimum value at optimum speed
increases
first increases and then decreases after reaching a maximum value at optimum speed
decreases

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