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Q: The bitumen that is obtained as a residue during the distillation of a high-resin petroleum is called:
  • A. Plastic bitumen
  • B. Straight run bitumen
  • C. cutback bitumen
  • D. residual bitumen
Correct Answer: Option D - • Residual bitumen:– It is obtained as a residue during the distillation of a high-resin petroleum • Plastic bitumen:– It is used for filling cracks in masonry and stopping leakage. It is thinner and suitable filter in plastic form. Asbestos powder is used as a filler in plastic bitumen. • Straight run bitumen:– It is a by products coming from refinery. It is formed when bitumen is distilled to definite viscosity without further treatment. • Cut back bitumen:– obtained by reducing viscosity of bitumen with the help of mixing volatile solvent.
D. • Residual bitumen:– It is obtained as a residue during the distillation of a high-resin petroleum • Plastic bitumen:– It is used for filling cracks in masonry and stopping leakage. It is thinner and suitable filter in plastic form. Asbestos powder is used as a filler in plastic bitumen. • Straight run bitumen:– It is a by products coming from refinery. It is formed when bitumen is distilled to definite viscosity without further treatment. • Cut back bitumen:– obtained by reducing viscosity of bitumen with the help of mixing volatile solvent.

Explanations:

• Residual bitumen:– It is obtained as a residue during the distillation of a high-resin petroleum • Plastic bitumen:– It is used for filling cracks in masonry and stopping leakage. It is thinner and suitable filter in plastic form. Asbestos powder is used as a filler in plastic bitumen. • Straight run bitumen:– It is a by products coming from refinery. It is formed when bitumen is distilled to definite viscosity without further treatment. • Cut back bitumen:– obtained by reducing viscosity of bitumen with the help of mixing volatile solvent.