Podcast
Questions and Answers
What is the first stage of water treatment?
What is the first stage of water treatment?
- Filtration
- Removal of suspended solids (correct)
- Removal of heavy metals
- Addition of disinfectants
What are suspended solids?
What are suspended solids?
- Substances that float on water
- Particles larger than 2 microns (correct)
- Dissolved ions
- Heavy metals
Which body of water is likely to have higher levels of suspended solids?
Which body of water is likely to have higher levels of suspended solids?
- Ground water
- Rivers (correct)
- Lakes
- Municipal water
What is the purpose of a settling pond?
What is the purpose of a settling pond?
What is the function of a clarifier in water treatment?
What is the function of a clarifier in water treatment?
What is the main benefit of removing suspended solids in water treatment?
What is the main benefit of removing suspended solids in water treatment?
What happens if suspended solids are not removed from water?
What happens if suspended solids are not removed from water?
[Blank] are particles that do not dissolve as ions and will either sink or float.
[Blank] are particles that do not dissolve as ions and will either sink or float.
What is the residence time for water in a clarifier?
What is the residence time for water in a clarifier?
What is used to speed up the settling time of colloidal particles in a clarifier?
What is used to speed up the settling time of colloidal particles in a clarifier?
What is the purpose of backwashing a filter?
What is the purpose of backwashing a filter?
What type of filter is often used to remove taste or odors from water?
What type of filter is often used to remove taste or odors from water?
What is used to pre-coat the tubes in a filter-aid tubular filter?
What is used to pre-coat the tubes in a filter-aid tubular filter?
Which type of filter consists of a closed cylindrical housing with several screen-type cylindrical tubes?
Which type of filter consists of a closed cylindrical housing with several screen-type cylindrical tubes?
What happens to the pressure drop across a cartridge filter as it screens out more solids?
What happens to the pressure drop across a cartridge filter as it screens out more solids?
What is used to remove chlorine from water in an industrial setting?
What is used to remove chlorine from water in an industrial setting?
What material is the medium in a pressure filter made of?
What material is the medium in a pressure filter made of?
Flashcards are hidden until you start studying
