The excess water on shoulder in a dry region with a good drainage system causes ______

The continuity equation is given by ______

The damage in cold region is caused due to ______

The clay seal may be provided if the seepage zone is at a depth of less than ______

The removal and diversion of surface water from the roadway is called _______

The rural roads are provided with ______

In India for storm sewage and domestic sewage we use?

To fulfill the adequate permeability the D15 of filter/D15 of foundation ratio should be greater than ______