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memoloka memoloka
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6 years ago
One advantage of the design/build approach is that usually a firm project cost is
  established before construction begins.
 
  Indicate whether the statement is true or false

 Q. 2

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

 Q. 3

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
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shelberszinskershelberszinsker
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6 years ago
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memoloka Author
wrote...
#2
6 years ago
All correct!
wrote...
#3
6 years ago
Happy to help
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