Highway Engineering
The most suitable equipment for compacting clayey soils is a

smooth wheeled roller
vibrator
sheep foot roller
pneumatic tyred roller

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Highway Engineering
Select the correct statement.

More the value of CBR, greater thickness of pavement will be required
Minimum and maximum values of group index can be 0 and 20 respectively
All of these
More the value of group index, less thickness of pavement will be required

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