EXAM2-INTERMEDIATEWASTEWATERCOLLECTION t t t t t
QUESTIONS WITH CORRECT ANSWERS 2025
t t t t t
What tools would you use to remove or dislodge a stoppage? - CORRECT ANSWER - Hand
t t t t t t t t t t t t t t t
rodders
t
Vac-con
What would cause overload conditions on an electric motor? - CORRECT ANSWER -
t t t t t t t t t t t t
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 -
t t t t t t t t t t t t t
Mapping
flush hydrants
t
complete schedule maintenance t t
inspect for infiltration and exfiltration
t t t t
, What needs to be done to reduce hydraulic loads on a sewer system and wastewater treat
t t t t t t t t t t t t t t t
ment plant? - CORRECT ANSWER -Repair infiltration and exfiltration problems
t t t t t t t t t t
There are three flows in a sanitary sewer, name them - CORRECT ANSWER -
t t t t t t t t t t t t t
BASE FLOW = Use water consumption records
t t t t t t t
INFILTRATION = total metered flow - t t t t t
base flow during DRY weather and perform isolation flow measurements
t t t t t t t t t
INFLOW = total metered flow - (base flow + infiltration) during WET weather
t t t t t t t t t t t t
What are the methods (devices) that may be used to measure groundwater levels? Name t
t t t t t t t t t t t t t t
hem and where and how are they used. - CORRECT ANSWER -
t t t t t t t t t t t t
Piezometer : Permanent installation like a well casing t t t t t t t
Manhole gauge: Installed in M.H clear plastic tubing
t t t t t t t
Name the conditions where a smoke test is ineffective. - CORRECT ANSWER -
t t t t t t t t t t t t
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. -
t t t t t t t t t t t t t t t
CORRECT ANSWER -Depth of sewer
t t t t t
QUESTIONS WITH CORRECT ANSWERS 2025
t t t t t
What tools would you use to remove or dislodge a stoppage? - CORRECT ANSWER - Hand
t t t t t t t t t t t t t t t
rodders
t
Vac-con
What would cause overload conditions on an electric motor? - CORRECT ANSWER -
t t t t t t t t t t t t
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 -
t t t t t t t t t t t t t
Mapping
flush hydrants
t
complete schedule maintenance t t
inspect for infiltration and exfiltration
t t t t
, What needs to be done to reduce hydraulic loads on a sewer system and wastewater treat
t t t t t t t t t t t t t t t
ment plant? - CORRECT ANSWER -Repair infiltration and exfiltration problems
t t t t t t t t t t
There are three flows in a sanitary sewer, name them - CORRECT ANSWER -
t t t t t t t t t t t t t
BASE FLOW = Use water consumption records
t t t t t t t
INFILTRATION = total metered flow - t t t t t
base flow during DRY weather and perform isolation flow measurements
t t t t t t t t t
INFLOW = total metered flow - (base flow + infiltration) during WET weather
t t t t t t t t t t t t
What are the methods (devices) that may be used to measure groundwater levels? Name t
t t t t t t t t t t t t t t
hem and where and how are they used. - CORRECT ANSWER -
t t t t t t t t t t t t
Piezometer : Permanent installation like a well casing t t t t t t t
Manhole gauge: Installed in M.H clear plastic tubing
t t t t t t t
Name the conditions where a smoke test is ineffective. - CORRECT ANSWER -
t t t t t t t t t t t t
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. -
t t t t t t t t t t t t t t t
CORRECT ANSWER -Depth of sewer
t t t t t
