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Water Plant Operator Certification Exam Prep - AWWA Questions and Answers 100% Correct
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Water Plant Operator Certification Exam Prep - AWWA Questions and Answers 100% Correct Spontaneous combustion can occur if activated carbon is mixed with... Potassium permanganate If chemical solutions gets on a person's skin, the area should be flushed _______________, and if the chemical...

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  • September 13, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • comp
  • water plant operator certification exam prep aww
  • spontaneous combustion can occur if activated carb
  • if chemical solutions gets on a persons skin the
  • if a filters turbidity exceeds ntu in the f

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  • AWWA

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Water Plant Operator Certification Exam
Prep - AWWA Questions and Answers
100% Correct

Spontaneous combustion can occur if activated carbon is mixed with... - answer
Potassium permanganate

If chemical solutions gets on a person's skin, the area should be flushed
_______________, and if the chemical dust are inhaled ______________________. -
answer with large quantities of water, consult a physician immediately

Who establishes MCLs? - answer State and federal regulations

If a filter's turbidity exceeds _____ NTU in the first 4 hours of a given filter run for two
consecutive _________samples, the results must be reported within ________days
following the month of occurrence. - answer0.5, 15 minute, 10

Compliance for chlorite is based on the _________________of __________ monitoring
locations each _______________. - answer average, 3, month

What regulation specifies the percentage removal of TOC? - answerStage 1
Disinfectants and By Products Rule

What are the log requirements under Interim Enhanced Surface Water Treatment Rule
for Giardia and Cryptosporidium? - answer3 log and 2 log respectively

Combined FE turbidity must be equal to .03 NTU for ______% of samples collected
each month, and none of samples can be _______. - answer95, >1

If Soda Ash gets into the eyes - answerFlush 15 minutes with warm water

If variables and waivers are not granted, the Public Water System should sample every
___________ years in regard to Phase I, II, V contaminants. - answer3

In order to comply with enhanced coagulation requirements, a softening plant would
need to remove _________of _________________ hardness. - answer10 mg/L ;
magnesium

Treatment plants must remove specific percentages of TOC based on their
_____________________, ___________________ and _____________________

, levels under the enhanced coagulation requirements. - answersourcewater, TOC,
alkalinity

The locational running annual average applies to what USEPA regulation? -
answerStage 2 Disinfectants and Disinfection By Products Rule

Records need to be reported for any testing required for filter exemptions under... -
answerThe Interim Enhanced Surface Water Treatment Rule

Unit of Gamma Radiation - answerREM

The pump shaft's main function - answerto transmit torque from the motor to the
impeller

Packing replacement is done - answerwhen no further tightening can be done on the
packing gland

Packing rings should be staggered at - answer90 degrees

Packing is designed to - answerwear with normal use and deteriorate with normal use

When is chlorine dioxide stable? - answerin the absence of light and elevated
temperatures

Ultraviolet Treatment - answerrequires a monitoring procedure other than monitoring to
determine its efficiency

A disinfectant oxidant not affected by pH - answerchlorine dioxide

Graded gravel below the sand in a media filter does what? - answer- supports the
underdrain system
- supports the sand bed
- prevents sand from entering the underdrain

Surface wash systems for filters agitate the top _____ inches of the media. - answer2

After the air alone portion of the wash cycle is complete, water is introduced at a rate of
______ to _____ gpm/ft, which is called concurrent air/water wash - answer5 to 7

A diffuser feeding a pipeline with chlorine gas solution should have complete mixing
downstream at a distance of _______ pipe diameters. - answer10

Flow proportional control - answerchlorine gas controller if chlorine demand rarely
changes and it is necessary to compensate only for changes in the pumping rate.

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