Wastewater collections test 1 questions with correct answers 2026

Wastewater collections test 1 questions
with correct answers 2026

What R is R another R term R for R wastewater R collections R system? R - R CORRECT
R ANSWER R - RSewerage R System




What R is R the R term R used R to R describe R the R seepage R of R ground R water R into R a
R sewer R system R includ Ring R service R connections? R - R CORRECT R ANSWER R -Infiltration




What R is R SSO R stand R for? R - R CORRECT R ANSWER R -Sanitary R sewer R overflow




What R is R the R minimum R scouring R velocity R in R a R sewer R system? R -
R CORRECT R ANSWER R - R2 R feet R per R second R no R more R than R 10 R feet R per
R second




Smoke R testing R of R wastewater R collections R system R is R used R to R determine
R what? R - RCORRECT R ANSWER R -The R location R of R illegal R connections R to R a
R collection R system

,High R velocity R cleaners, R kites, R bags, R poly R pigs R and R sewer R scooters R are R what R type R of
R cleaning Rmethod? R - R CORRECT R ANSWER R -Hydraulic R cleaning




What R is R the R most R widely R used R chemical R to R treat R hydrogen R sulfide? R - R CORRECT
R ANSWER R - RChlorine




How R many R colors R of R markings R are R there R for R OUPS R utility R markings? R - R CORRECT
R ANSWER R -8




What R is R installed R in R to R give R access R to R a R portion R of R the R service R line R leading R to
R the R main R lines


? R - R CORRECT R ANSWER R -A R Wye

, Sewer R pipes R are R usually R tested R at R what R air R pressure R above R any R outside R water
R pressure R on R t Rhe R pipe? R - R CORRECT R ANSWER R -3 R to R 5 R psi




What R should R be R used R to R test R for R deflection R and R offset R joints R when R repairing
R or R installing R ne Rw R sewer R lines? R - R CORRECT R ANSWER R -A R Mandrel




What R occurs R in R pumps R when R the R absolute R pressure R at R the R pump R inlet R drops
R below R the R vapo Rr R pressure R of R the R water R being R pumped? R - R CORRECT R ANSWER
R -Cavitation




What R is R the R heart R of R a R centrifugal R pump? R - R CORRECT R ANSWER R -Impeller




What R is R used R to R provide R a R seal R where R the R shaft R passes R through R the R pump
R casing R in R order R t Ro R keep R air R from R being R drawn R or R sucked R into R the R pump R or
R the R water R pump R from R coming R out


? R - R CORRECT R ANSWER R -Packing




What R is R a R pump R fitted R with R that R must R never R run R dry R or R the R faces R will R be
R burned R and R ruined


? R - R CORRECT R ANSWER R -Mechanical R seals