EXAM 2 - INTERMEDIATE WASTEWATER COLLECTION
v v v v v
QUESTIONS WITH CORRECT ANSWERS 2025
v v v v v
What tools would you use to remove or dislodge a stoppage? - CORRECT ANSWER -
v v v v v v v v v v v v v v
Hand rodders
v v
Vac-con
What would cause overload conditions on an electric motor? - CORRECT ANSWER -
v v v v v v v v v v v v
Thermal overload v
contaminants
bearing failure v
old age
v
single phasing
v
What should crews do when not dealing with emergency situations? - CORRECT
v v v v v v v v v v v
ANSWER -
v v
Mapping
flush hydrants
v
complete schedule maintenance
v v
inspect for infiltration and exfiltration
v v v v
, What needs to be done to reduce hydraulic loads on a sewer system and wastewater
v v v v v v v v v v v v v v
treat ment plant? - CORRECT ANSWER -Repair infiltration and exfiltration problems
v v v v v v v v v v v
There are three flows in a sanitary sewer, name them - CORRECT ANSWER
v v v v v v v v v v v v
v- BASE FLOW = Use water consumption records
v v v v v v v
INFILTRATION = total metered flow - v v v v v
base flow during DRY weather and perform isolation flow measurements
v v v v v v v v v
INFLOW = total metered flow - (base flow + infiltration) during WET weather
v v v v v v v v v v v v
What are the methods (devices) that may be used to measure groundwater levels?
v v v v v v v v v v v v
vName t hem and where and how are they used. - CORRECT ANSWER -
v v v v v v v v v v v v v
Piezometer : Permanent installation like a well casing
v v v v v v v
Manhole gauge: Installed in M.H clear plastic tubing
v v v v v v v
Name the conditions where a smoke test is ineffective. - CORRECT ANSWER -
v v v v v v v v v v v v
Windy conditions v
ground is saturated v v
frozen
covered with snow v v
Name the two factors that govern the height of a platform in the inversion process.
v v v v v v v v v v v v v v
- CORRECT ANSWER -Depth of sewer
v v v v v v
v v v v v
QUESTIONS WITH CORRECT ANSWERS 2025
v v v v v
What tools would you use to remove or dislodge a stoppage? - CORRECT ANSWER -
v v v v v v v v v v v v v v
Hand rodders
v v
Vac-con
What would cause overload conditions on an electric motor? - CORRECT ANSWER -
v v v v v v v v v v v v
Thermal overload v
contaminants
bearing failure v
old age
v
single phasing
v
What should crews do when not dealing with emergency situations? - CORRECT
v v v v v v v v v v v
ANSWER -
v v
Mapping
flush hydrants
v
complete schedule maintenance
v v
inspect for infiltration and exfiltration
v v v v
, What needs to be done to reduce hydraulic loads on a sewer system and wastewater
v v v v v v v v v v v v v v
treat ment plant? - CORRECT ANSWER -Repair infiltration and exfiltration problems
v v v v v v v v v v v
There are three flows in a sanitary sewer, name them - CORRECT ANSWER
v v v v v v v v v v v v
v- BASE FLOW = Use water consumption records
v v v v v v v
INFILTRATION = total metered flow - v v v v v
base flow during DRY weather and perform isolation flow measurements
v v v v v v v v v
INFLOW = total metered flow - (base flow + infiltration) during WET weather
v v v v v v v v v v v v
What are the methods (devices) that may be used to measure groundwater levels?
v v v v v v v v v v v v
vName t hem and where and how are they used. - CORRECT ANSWER -
v v v v v v v v v v v v v
Piezometer : Permanent installation like a well casing
v v v v v v v
Manhole gauge: Installed in M.H clear plastic tubing
v v v v v v v
Name the conditions where a smoke test is ineffective. - CORRECT ANSWER -
v v v v v v v v v v v v
Windy conditions v
ground is saturated v v
frozen
covered with snow v v
Name the two factors that govern the height of a platform in the inversion process.
v v v v v v v v v v v v v v
- CORRECT ANSWER -Depth of sewer
v v v v v v
