Author Question: The EGL is a graph of the sum of the pressure head and elevation head. Indicate whether the ... (Read 17 times)

Shelles · **on:** Jul 26, 2018

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