The EGL is a graph of the sum of the pressure head and elevation ...

[Shelles]

The EGL is a graph of the sum of the pressure head and elevation head.
 
  Indicate whether the statement is true or false

Question 2

In the trickling filter process
 
  a. primary effluent fIows over stones coated with microorganisms
  b. raw sewage flows over stones coated with purifying chemicals
  c. sewage is mixed with flocs of microorganisms and then filtered
  d. secondary effluent trickles through a sand filter to polish it
  e. none of the above

[duke02]

Answer to Question 1

T

Answer to Question 2

a

[Shelles]

Thanks for the timely response, appreciate it

[xiaomengxian]

YES! Correct, THANKS for helping me on my review