WASTEWATER PRACTICE EXAM
QUESTIONS WITH CORRECT ANSWERS
GRADED TO A+(LATEST UPDATE)
Odors Ioccur Iwhen Itreatment Ibecomes I- Icorrect Ianswer-Anaerobic
What Ishould Ian Ioperator I do I before Ientering I a Imanhole I - I correct I answer-
Test Ifor Iall Ihazardous Igases Iand Ioxygen Ilevels Iand Iventilate Ithe Imanhole Ibefore Ientering
What Itreatment Idevices Iis Icommonly Iused Ito Iseparate Iand Iremove Ilarge Isolids Ifrom Iraw
Iwastewater I- Icorrect Ianswer-a Imechanically Iraked Ibar Iscreen
What Idiseases Iare Icaused Iby Ipathogenic Iorganisms Ithat Imay Ibe Ipresent Iin Iraw Iwastewater?
I- Icorrect Ianswer-Hepatitis, Ityphoid, Iparatyphoid, Idysentery, Iand Icholera
What I is Itypically I used Ito I dewater I sludge? I - I correct I answer-
Belt Ipress, I Drying I beds, Isolid I bowl I centrifuge, I and I gravity I thickener
Calculated Ithe Ivolume Iin Igallons Iof Ia Irectangular Iaeration Itank Ithat Iis I60 Ifeet Ilong, I30 Ifeet Iwide
Iand I2 I 0 Ifeet Ideep I- Icorrect Ianswer-269,280
, What Iis Itypically Iused Iwhenever Iwastewater Icannot Iflow Ito Ithe Itreatment Iplant Iby Igravity I-
Icorrect Ianswer-Lift Istation
A I centrifugal I pump I must I be I ? Ior I it I will I not I pump I - I correct I answer-Primed
One I common Itype I of I weir Idesign I for Imeasuring I flow Iis I - I correct I answer-V-Knotch
The Ioperator Iwould Ineed Ito Iincrease Ior Idecrease Iif Ithe I? Iloading Ion Ithe Iplant Iis Ihigh I- Icorrect
Ianswer- Iincrease/Organic
A Isimple Imethod Ifor Iindication Iwhen Ito Iwaste Isludge Iis I- Icorrect Ianswer-Total Isedimentation Itest
QUESTIONS WITH CORRECT ANSWERS
GRADED TO A+(LATEST UPDATE)
Odors Ioccur Iwhen Itreatment Ibecomes I- Icorrect Ianswer-Anaerobic
What Ishould Ian Ioperator I do I before Ientering I a Imanhole I - I correct I answer-
Test Ifor Iall Ihazardous Igases Iand Ioxygen Ilevels Iand Iventilate Ithe Imanhole Ibefore Ientering
What Itreatment Idevices Iis Icommonly Iused Ito Iseparate Iand Iremove Ilarge Isolids Ifrom Iraw
Iwastewater I- Icorrect Ianswer-a Imechanically Iraked Ibar Iscreen
What Idiseases Iare Icaused Iby Ipathogenic Iorganisms Ithat Imay Ibe Ipresent Iin Iraw Iwastewater?
I- Icorrect Ianswer-Hepatitis, Ityphoid, Iparatyphoid, Idysentery, Iand Icholera
What I is Itypically I used Ito I dewater I sludge? I - I correct I answer-
Belt Ipress, I Drying I beds, Isolid I bowl I centrifuge, I and I gravity I thickener
Calculated Ithe Ivolume Iin Igallons Iof Ia Irectangular Iaeration Itank Ithat Iis I60 Ifeet Ilong, I30 Ifeet Iwide
Iand I2 I 0 Ifeet Ideep I- Icorrect Ianswer-269,280
, What Iis Itypically Iused Iwhenever Iwastewater Icannot Iflow Ito Ithe Itreatment Iplant Iby Igravity I-
Icorrect Ianswer-Lift Istation
A I centrifugal I pump I must I be I ? Ior I it I will I not I pump I - I correct I answer-Primed
One I common Itype I of I weir Idesign I for Imeasuring I flow Iis I - I correct I answer-V-Knotch
The Ioperator Iwould Ineed Ito Iincrease Ior Idecrease Iif Ithe I? Iloading Ion Ithe Iplant Iis Ihigh I- Icorrect
Ianswer- Iincrease/Organic
A Isimple Imethod Ifor Iindication Iwhen Ito Iwaste Isludge Iis I- Icorrect Ianswer-Total Isedimentation Itest
