ACTUAL QUESTIONS AND CORRECT
ANSWERS
In most activated sludge plants, the waste activated sludge is pumped to waste sludge handling
facilities - Correct answers✔True
A primary clarifier is used after a trickling filter to settle out sloughing's from the filter media -
Correct answers✔False
pH general will be affected significantly by a clarifier - Correct answers✔False
When starting a trickling filter, slime growth will start to develop on the filter media immediately
- Correct answers✔False
Rotating Biological Contactors have few moving parts and require minor amounts of
preventative maintenance - Correct answers✔True
Since the oxidation ditch is operated as a closed system, the amount of volatile suspended solids
will gradually decrease - Correct answers✔True
Ponds have a consistently high quality effluent - Correct answers✔False
Typical disease causing microorganisms include bacteria, viruses and parasites - Correct
answers✔True