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Author Question: A vacuum filter is used to a. digest sludge b. dewater sludge c. purify drinking water d. test ... (Read 99 times)

Medesa

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on: Jul 26, 2018
A vacuum filter is used to
 
  a. digest sludge
  b. dewater sludge
  c. purify drinking water
  d. test for coliforms
  e. test for suspended solids

Question 2

A process in which sewage is aerated for about 24 hours is called
 
  a. step aeration
  b. contact stabilization
  c. extended aeration
  d. advanced treatment
  e. none of the above


BUTTHOL369

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Reply #1 on: Jul 26, 2018
Answer to Question 1

b

Answer to Question 2

c


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