TX Class C Wastewater Treatment License Exam ||
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What stage of treatment is grit removal usually
accomplished in? - ANSWER-preliminary treatment
The use of granular activated carbon (GAC) for
______________ removal is common. - ANSWER-organic
What can cause problems in granular activated carbon
(GAC) treatment? - ANSWER-biological growth
,What has been tried as oxidizing agents in wastewater
treatment? - ANSWER-chlorine dioxide (ClO2)
Ozone (O3)
Chlorine (Cl2)
Many over look what kind of oxidizing agent as an oxidant
because of its relative ineffectiveness in conventional
waste treatment? - ANSWER-ozone
Laboratory-scale studies have shown that the changes
occurring in the settlement of the floc are greatly
influenced by what? - ANSWER-biological activity
,What is a common coagulant used for chemical
precipitation? - ANSWER-aluminum sulfate; sodium
aluminate and ferric sulfate
What occurs when solutions of two different
concentrations are separated by a semipermeable
membrane such as cellophane? - ANSWER-osmosis
Biological denitrification is accomplished under what
conditions by heterotrophic bacteria that use nitrate during
the fermentation of organic carbon materials? - ANSWER-
anaerobic
, Electrons pass from the ______ source (the electron
donor) to nitrate and nitrite (the electron acceptor) to
promote the conversions to nitrogen gas. - ANSWER-
carbon
As what materials are decomposed, their phosphorus
content is converted to orthophosphate? - ANSWER-
organic
The materials found practical for phosphorus precipitation
include the ionic forms of what? - ANSWER-aluminum,
iron and calcium
2026/2027 Most Recent Exam Actual Complete Real
Exam Questions And Correct Answers (Verified
Answers) Already Graded A+ | Guaranteed Success!!
Latest Update!!
What stage of treatment is grit removal usually
accomplished in? - ANSWER-preliminary treatment
The use of granular activated carbon (GAC) for
______________ removal is common. - ANSWER-organic
What can cause problems in granular activated carbon
(GAC) treatment? - ANSWER-biological growth
,What has been tried as oxidizing agents in wastewater
treatment? - ANSWER-chlorine dioxide (ClO2)
Ozone (O3)
Chlorine (Cl2)
Many over look what kind of oxidizing agent as an oxidant
because of its relative ineffectiveness in conventional
waste treatment? - ANSWER-ozone
Laboratory-scale studies have shown that the changes
occurring in the settlement of the floc are greatly
influenced by what? - ANSWER-biological activity
,What is a common coagulant used for chemical
precipitation? - ANSWER-aluminum sulfate; sodium
aluminate and ferric sulfate
What occurs when solutions of two different
concentrations are separated by a semipermeable
membrane such as cellophane? - ANSWER-osmosis
Biological denitrification is accomplished under what
conditions by heterotrophic bacteria that use nitrate during
the fermentation of organic carbon materials? - ANSWER-
anaerobic
, Electrons pass from the ______ source (the electron
donor) to nitrate and nitrite (the electron acceptor) to
promote the conversions to nitrogen gas. - ANSWER-
carbon
As what materials are decomposed, their phosphorus
content is converted to orthophosphate? - ANSWER-
organic
The materials found practical for phosphorus precipitation
include the ionic forms of what? - ANSWER-aluminum,
iron and calcium
