Highway Engineering
The shoulder provided along the road edge should be

smoother than the traffic lanes
rougher than the traffic lanes
of very low load bearing capacity
of same colour as that of the pavement

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Highway Engineering
For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is

dry rolling, application of screening, application of filler and wet rolling
dry rolling, wet rolling, application of screening and application of filler
dry rolling, application of screening, wet rolling and application of filler
dry rolling, application of filler, wet rolling and application of screening

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Highway Engineering
If b is the wheel track of a vehicle and h is the height of centre of gravity above road surface, then to avoid overturning and lateral skidding on a horizontal curve, the centrifugal ratio should always be

greater than b/2h and also greater than coefficient of lateral friction
less than b/2h and also less than co-efficient of lateral friction
greater than b/2h and less than co-efficient of lateral friction
less than b/2h and greater than co-efficient of lateral friction

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