WASTEWATER OPERATOR CLASS C
EXAM PRACTICE REVIEW QUESTIONS WITH
CORRECT ANSWERS (LATEST
UPDATE GRADED TO A+)
When SChlorine Sis Scombined Swith Swater Swhat Stype Sof Spipe Sshould Sbe Sused?
A. SDuctile Siron
B. SAsbestos Sconcrete
C. SPVC
D. SCarbon SSteel S- Scorrect Sanswer-C. SPVC
ATgood SsettlingTsludge Swould Sconsist Sof Swhat Stype Sof Sprotozoa?
A. SRotifers Sand Snematodes
B. SAmoebas Sand SFlagellates
C. SStalked Sciliates Sand Smastagoria
D. SFree Sswimmers Sand Sstalk Sciliates S- Scorrect Sanswer-D. SFree Sswimmers Sand Sstalk Sciliates
What Sis SPhenolphylein Sused Sfor Sin Stitration
A. SOxidizer
B. SIndicator
C. SAcid Sreducer Sto Slower SpH
D. SApplicator S- Scorrect Sanswer-B. SIndicator
Your Splant Shas San Sinfluent Sof S220 SBOD Sand S163 STSS, Sand San Sefluent Sof S10 SBOD, Sand S6 STSS.
SWhat Sis Sthe SBO SD Sremoval Sefficiency Sin Syour Splant?
,A. S92%
B. S94%
C. S95%
D. S96% S- Scorrect Sanswer-C. S95%
You Ssuspect Syour Sanaerobic Sdigester Sis SgoingTsour. SWhat Sis Sthe Sbest Sway Sto Sverify Sits Scondition?
A. SpH
B. SFoam Stype
C. SVA/ALK Sratio
D. SDO S- Scorrect Sanswer-C. SVA/ALK Sratio
Before Soperating Sany Spiece Sof Sequipment Swhat Sshould Sbe Sdone?
A. SLock Sout STag Sout S(remember, Ssafety Sfirst!)
B. SRead SO S& SM Smanual
C. SRead Smanufacturers Smanual
D. SNotify Ssupervisor S- Scorrect Sanswer-C. SRead Smanufacturers Smanual
Detritus Sis Snoticed Sin Syour Sgrit Schannel. SWhat Sis Sthe Sproblem?
A. SVelocity Stoo Sfast Swith Sshort SD/T
B. SVelocity Stoo Slow Swith Slong SD/T
C. SShort Scircuiting
D. SDensity Scurrents S- Scorrect Sanswer-B. SVelocity Stoo Slow Swith Slong SD/T
WhatTis Sconsidered Snormal Soperation Sof San SaerobicTdigester?
A. SFill Sreact
, B. SSkim Soff Sfoam Swhen Sneeded
C. SSettle Sand SDecant Sas Sneeded
D. SFeed Sonly Sduring Slow Sflow Sor Sconstant Swhen Sthe Ssun Sis Sout S-Tcorrect Sanswer-
C. SSettle Sand SDecant Sas Sneeded
A Splant Swith Sa Sflow Sof S1 SMGD Sshould Sbe Smonitored
A. SContinuously
B. SIntermittently
C. SDaily
D. SEvery Sfour Shours Sdepending Son Ssurface Sload S- Scorrect Sanswer-A. SContinuously
WhatTdo Stotal Ssolids Sconsist Sof?
A. SDissolved Sand Ssettleable
B. SFloatable Sand Ssettlable
C. SSuspended Sand Sdissolved
D. SSettlable Sand Snonsettleable S- Scorrect Sanswer-C. SSuspended Sand Sdissolved
What Swould Scause Sexcessive Swear Son Sbearing?
A. SMisalignment
B. SReduced SOil Sdue Sto Slow Sviscosity
C. SBlow Sseal
D. SOver Stubercation S- Scorrect Sanswer-A. SMisalignment
Amperometric Stitration Sis Sused Sto Smeasure
A. SDissolved Ssolids
EXAM PRACTICE REVIEW QUESTIONS WITH
CORRECT ANSWERS (LATEST
UPDATE GRADED TO A+)
When SChlorine Sis Scombined Swith Swater Swhat Stype Sof Spipe Sshould Sbe Sused?
A. SDuctile Siron
B. SAsbestos Sconcrete
C. SPVC
D. SCarbon SSteel S- Scorrect Sanswer-C. SPVC
ATgood SsettlingTsludge Swould Sconsist Sof Swhat Stype Sof Sprotozoa?
A. SRotifers Sand Snematodes
B. SAmoebas Sand SFlagellates
C. SStalked Sciliates Sand Smastagoria
D. SFree Sswimmers Sand Sstalk Sciliates S- Scorrect Sanswer-D. SFree Sswimmers Sand Sstalk Sciliates
What Sis SPhenolphylein Sused Sfor Sin Stitration
A. SOxidizer
B. SIndicator
C. SAcid Sreducer Sto Slower SpH
D. SApplicator S- Scorrect Sanswer-B. SIndicator
Your Splant Shas San Sinfluent Sof S220 SBOD Sand S163 STSS, Sand San Sefluent Sof S10 SBOD, Sand S6 STSS.
SWhat Sis Sthe SBO SD Sremoval Sefficiency Sin Syour Splant?
,A. S92%
B. S94%
C. S95%
D. S96% S- Scorrect Sanswer-C. S95%
You Ssuspect Syour Sanaerobic Sdigester Sis SgoingTsour. SWhat Sis Sthe Sbest Sway Sto Sverify Sits Scondition?
A. SpH
B. SFoam Stype
C. SVA/ALK Sratio
D. SDO S- Scorrect Sanswer-C. SVA/ALK Sratio
Before Soperating Sany Spiece Sof Sequipment Swhat Sshould Sbe Sdone?
A. SLock Sout STag Sout S(remember, Ssafety Sfirst!)
B. SRead SO S& SM Smanual
C. SRead Smanufacturers Smanual
D. SNotify Ssupervisor S- Scorrect Sanswer-C. SRead Smanufacturers Smanual
Detritus Sis Snoticed Sin Syour Sgrit Schannel. SWhat Sis Sthe Sproblem?
A. SVelocity Stoo Sfast Swith Sshort SD/T
B. SVelocity Stoo Slow Swith Slong SD/T
C. SShort Scircuiting
D. SDensity Scurrents S- Scorrect Sanswer-B. SVelocity Stoo Slow Swith Slong SD/T
WhatTis Sconsidered Snormal Soperation Sof San SaerobicTdigester?
A. SFill Sreact
, B. SSkim Soff Sfoam Swhen Sneeded
C. SSettle Sand SDecant Sas Sneeded
D. SFeed Sonly Sduring Slow Sflow Sor Sconstant Swhen Sthe Ssun Sis Sout S-Tcorrect Sanswer-
C. SSettle Sand SDecant Sas Sneeded
A Splant Swith Sa Sflow Sof S1 SMGD Sshould Sbe Smonitored
A. SContinuously
B. SIntermittently
C. SDaily
D. SEvery Sfour Shours Sdepending Son Ssurface Sload S- Scorrect Sanswer-A. SContinuously
WhatTdo Stotal Ssolids Sconsist Sof?
A. SDissolved Sand Ssettleable
B. SFloatable Sand Ssettlable
C. SSuspended Sand Sdissolved
D. SSettlable Sand Snonsettleable S- Scorrect Sanswer-C. SSuspended Sand Sdissolved
What Swould Scause Sexcessive Swear Son Sbearing?
A. SMisalignment
B. SReduced SOil Sdue Sto Slow Sviscosity
C. SBlow Sseal
D. SOver Stubercation S- Scorrect Sanswer-A. SMisalignment
Amperometric Stitration Sis Sused Sto Smeasure
A. SDissolved Ssolids
