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Q: The interface treatment provided to plug in the voids of porous surfaces and to bond loose particles in bituminous pavements is called:
  • A. surface dressing
  • B. prime coat
  • C. tack coat
  • D. seal coat
Correct Answer: Option B - Prime Coat–The interface treatment provided to plug in the voids of porous surface and to bond loose particles in bituminous pavement is called prime coat. Surface Dressing–It is a process of spraying a road surface with bituminous binder and then covering the binder with clean, crushed aggregate or natural gravel. Tack Coat–It is bitumen emulsion that is sprayed on existing pavement surface which is relatively impervious like an existing bituminous surface or a cement concrete pavement, or a pervious surface like the WBM which has already been treated by a prime coat. Seal Coat–Seal coating consists of the application of liquid asphalt material to the roadway followed immediately by the application of the aggregate.
B. Prime Coat–The interface treatment provided to plug in the voids of porous surface and to bond loose particles in bituminous pavement is called prime coat. Surface Dressing–It is a process of spraying a road surface with bituminous binder and then covering the binder with clean, crushed aggregate or natural gravel. Tack Coat–It is bitumen emulsion that is sprayed on existing pavement surface which is relatively impervious like an existing bituminous surface or a cement concrete pavement, or a pervious surface like the WBM which has already been treated by a prime coat. Seal Coat–Seal coating consists of the application of liquid asphalt material to the roadway followed immediately by the application of the aggregate.

Explanations:

Prime Coat–The interface treatment provided to plug in the voids of porous surface and to bond loose particles in bituminous pavement is called prime coat. Surface Dressing–It is a process of spraying a road surface with bituminous binder and then covering the binder with clean, crushed aggregate or natural gravel. Tack Coat–It is bitumen emulsion that is sprayed on existing pavement surface which is relatively impervious like an existing bituminous surface or a cement concrete pavement, or a pervious surface like the WBM which has already been treated by a prime coat. Seal Coat–Seal coating consists of the application of liquid asphalt material to the roadway followed immediately by the application of the aggregate.