Quiz:
1. Under what conditions would air flow into a hole in a pipe that has running water?
2. What are the limiting factors for the rate of air flow into an orifice?
3. What are the 6 main variables in using air flow through an orifice as a method of aeration (ie what are the main variables in the program)?
4. Why do we want to put air into the water when we are trying to get it out?