100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached 4.6 TrustPilot
logo-home
Exam (elaborations)

WASTEWATER GRADE III PRACTICE TEST QUESTIONS WITH CORRECT ANSWERS

Rating
-
Sold
-
Pages
33
Grade
A+
Uploaded on
12-01-2026
Written in
2025/2026

WASTEWATER GRADE III PRACTICE TEST QUESTIONS WITH CORRECT ANSWERS

Institution
Wastewater Collection
Course
Wastewater Collection











Whoops! We can’t load your doc right now. Try again or contact support.

Written for

Institution
Wastewater Collection
Course
Wastewater Collection

Document information

Uploaded on
January 12, 2026
Number of pages
33
Written in
2025/2026
Type
Exam (elaborations)
Contains
Questions & answers

Subjects

Content preview

WASTEWATER GRADE III PRACTICE TEST QUESTIONS
WITH CORRECT ANSWERS (LATEST UPDATE)

A YLproperly YLfunctioning YLanaerobic YLdigester YLwill YLachieve YLa YLreduction YLin YLvolatile

YLsolids YLof YLgreater YLthan YL50%.



( YL )True

( YL)False YL- YLcorrect YLanswer-True

YLExplanation:



A YLproperly YLfunctioning YLanaerobic YLdigester YLwill YLachieve YLa YLreduction YLin YLvolatile

YLsolids YLof YLgreater YLthan YL50%.




The YLcareful YLuse YLof YLchlorine YLcan YLcorrect YLcertain YLoperational YLproblems

YLof YLa YLtrickling YLfilter. Y L ( YL)True



( YL)False YL- YLcorrect YLanswer-True

YLExplanation:



The YLcareful YLuse YLof YLchlorine YLcan YLcorrect YLcertain YLoperational YLproblems YLof YLa

YLtrickling YLfilter. YLThese YLinclude YLPonding, YLOdors, YLand YLFilter YLFlies




Of YLthe YLfollowing YLlist, YLwhich YLchemical YLis YLused YLto YLcorrect YLan YLanaerobic

YLdigester YLupset? YLHTH

,Quicklime

Aluminum YLsulfate

Ferric YLchloride YL- YLcorrect YLanswer-

Quicklime YLExplanation:


Quicklime YLis YLa YLbase YLwhich YLwill YLneutralize YLthe YLacid YLin YLan YLupset YLdigester. YLHTH

YLis YLa YLform YLof YLchlorine YLthat YLwill YLkill YLdesirable YLbacteria. YLThe YLother YLchemical

YLlisted YLare YLacidic YLand YLwill YLnot YLwork YLto YLneutralize YLan Y L upset YLdigester.

,Buffer YL in YL an YLanaerobic YL digester:

Is YL added YL weekly YL by YL adding YL quicklime YL to YLthe YL digester




Is YLthe YLresult YLof YLcalcium YLcarbonate YLpresent YLin YLthe YLwater YLportion YLof YLthe

YLsludge YLthat YLis YLpumped YLto YLthe YLanaerobic YLdigester




Is YLmainly YL due YL to YLthe YL presence YL of YLthe YL bicarbonate YL ion




May YL be YL calculated YL by YL measuring YL the YL pH YLof YL the YL digesting YL sludge




Is YLmeasured YLby YLtitrating YLsludge YLsupernatant YLwith YLsodium YLhydroxide YLto YLa YLpH YLof
YL6.5 YL- YLcorrect YLanswer- Y L Is YLmainly YLdue YLto YLthe YLpresence YLof YLthe YLbicarbonate YLion




Explanation:

The YLbicarbonate YLion YLis YLthe YLmain YLsource YLof YLalkalinity YLin YLan YLanaerobic YLdigester.

YLAlkalinity YLis YLwhat YLbuffers YLthe YLdigester YLagainst YLrapid YLpH YLchanges.




You YLare YLoperating YLa YLbelt YLpress YLto YLdewater YLanaerobically YLdigested YLsludge. YLThe

YLconditioned YLfeed YLsolids YLconcentration YLtoday YLis YL4.2%. YLYou YLhave YLoperated YLfor YL7

YLhours YLat YLan YLaverage YLof YL60 YLgpm. YLYou YLhave YLproduced YL22.4 YLwet YLweight YLtons YLof

YLfilter YLcake YLwith YLan YLaverage YLsolids YLconcentration YLof YL19%. YLDetermine YLthe YLpercent

YLsolids YLrecovery YLfor YLtoday's YLoperation.

, ( YL )93.3%

( YL )99.5%

( YL )91.5%

( YL )96.4%

( YL)94.1% YL - YLcorrect YLanswer-96.4%




What YL is YL a YL likely YL result YL if YL the YL overflow YL rate YL is YL too YL low YL in YLa YL primary YL clarifier?

Get to know the seller

Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
Registerednurse HAVARD UNIVERSITY
View profile
Follow You need to be logged in order to follow users or courses
Sold
20
Member since
1 year
Number of followers
3
Documents
5005
Last sold
1 month ago

3.0

2 reviews

5
0
4
0
3
2
2
0
1
0

Recently viewed by you

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Frequently asked questions