Highway Engineering
When the bituminous surfacing is done on already existing black top road or over existing cement concrete road, the type of treatment given is

Seal coat
Tack coat
Prime coat
Spray of emulsion

ANSWER DOWNLOAD EXAMIANS APP

Highway Engineering
The direct interchange ramp involves

diverging to the right side and merging from right
diverging to the left side and merging from left
diverging to the right side and merging from left
diverging to the left side and merging from right

ANSWER DOWNLOAD EXAMIANS APP