Podcast
Questions and Answers
What is drainage?
What is drainage?
- The artificial removal of air from the surface and sub-surface
- The natural removal of water from the surface and sub-surface (correct)
- The process of adding water to the surface and sub-surface
- The redirection of water from rivers to the surface and sub-surface
What are geotextiles used for in storm water drainage systems?
What are geotextiles used for in storm water drainage systems?
- To increase the flow of water through the drainage system
- To filter out large stones from the drainage system
- To attract and absorb excess water in the drainage system
- To retain and prevent fine soil particles from clogging the drain (correct)
Which civilization had sewerage and drainage systems in its major cities?
Which civilization had sewerage and drainage systems in its major cities?
- Roman Civilization
- Egyptian Civilization
- Indus Valley Civilization (correct)
- Greek Civilization
Who is credited with the invention of hollow-pipe drainage?
Who is credited with the invention of hollow-pipe drainage?
What material is typically filled into a trench in a drainage system, along with geotextile filters?
What material is typically filled into a trench in a drainage system, along with geotextile filters?