EXAM 2 - INTERMEDIATE WASTEWATER COLLECTION QUESTIONS WITH CORRECT SOLUTIONS A+

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EXAM 2 - INTERMEDIATE WASTEWATER COLLECTION QUESTIONS WITH CORRECT SOLUTIONS A+

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EXAM 2 - INTERMEDIATE WASTEWATER COLLECTION QUESTIONS WITH CORRECT SOLUTIONS A+

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EXAM2-INTERMEDIATEWASTEWATERCOLLECTION t t t t t

QUESTIONS WITH CORRECT ANSWERS 2025
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What tools would you use to remove or dislodge a stoppage? - CORRECT ANSWER - Hand
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rodders
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Vac-con

What would cause overload conditions on an electric motor? - CORRECT ANSWER -
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Thermal overload t

contaminants

bearing failure t

old age
t

single phasing t

What should crews do when not dealing with emergency situations? - CORRECT ANSWER -
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Mapping

flush hydrants
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complete schedule maintenance t t

inspect for infiltration and exfiltration
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, What needs to be done to reduce hydraulic loads on a sewer system and wastewater treat
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ment plant? - CORRECT ANSWER -Repair infiltration and exfiltration problems
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There are three flows in a sanitary sewer, name them - CORRECT ANSWER -
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BASE FLOW = Use water consumption records
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INFILTRATION = total metered flow - t t t t t

base flow during DRY weather and perform isolation flow measurements
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INFLOW = total metered flow - (base flow + infiltration) during WET weather
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What are the methods (devices) that may be used to measure groundwater levels? Name t
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hem and where and how are they used. - CORRECT ANSWER -
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Piezometer : Permanent installation like a well casing t t t t t t t

Manhole gauge: Installed in M.H clear plastic tubing
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Name the conditions where a smoke test is ineffective. - CORRECT ANSWER -
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Windy conditions t

ground is saturated t t

frozen

covered with snow t t

Name the two factors that govern the height of a platform in the inversion process. -
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CORRECT ANSWER -Depth of sewer
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Uploaded on: February 13, 2026
Number of pages: 6
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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