Highway Engineering
The maximum number of vehicles beyond which the rotary may not function efficiently is

500 vehicles per day
500 vehicles per hour
5000 vehicles per hour
5000 vehicles per day

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Highway Engineering
For a constant value of coefficient of lateral friction, the value of required super-elevation increases with

decrease in speed and with increase in radius of curve
increase in both speed and radius of curve
increase in speed and with decrease in radius of curve
decrease in both speed and radius of curve

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