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When the bituminous surfacing is done on already existing black top...

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

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Correct Answer: Option B
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Riju Chakraborty
Riju Chakraborty 3 months ago
1)Prime coat-Applied on granular/base course before bituminous layer; penetrates and binds the surface.
2)Tack coat-Applied between two bituminous layers to provide adhesion.
3)Seal coat-Applied over a bituminous surface to seal voids and prevent water entry.
4)Spraying of emulsion-Application of bitumen emulsion for priming, tack coat, surface treatment, etc., depending on the work.
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