Pool../Operator's../Final../Exam
The../percentage../of../hypoclorous../acid../formation../is../most../influenced../by:../-
../correct../answer../pH
Pool../painting../is../usually../done:../-
../correct../answer../Before../opening../in../the../spring
When../a../pool../is../chlorinated../with../gas../chlorine,../the../operator../must../also../u
se:../-../correct../answer../Soda../Ash
The../term../"chlorine../demand"../refers../to:../-
../correct../answer../The../amount../of../chlorine../which../will../react../with../substanc
es../in../the../pool
Re-circulation../pumps../used../in../swimming../pools../are../the../type../called:../-
../correct../answer../Centrifugal../pumps
Reversing../the../flow../of../water../through../the../filters../is../called:../-
../correct../answer../Backwash
"Slurry../feed"../or../"body../feed"../refers../to:../-
../correct../answer../Diatomite../added../during../a../filter../run
, The../term../pH../is../determined../by../the../concentration../of:../-
../correct../answer../Hydrogen../ions
Because../carbonate../ions../combine../with../hydrogen../ions,../sodium../carbonat
e../will../cause../pH../to:../-../correct../answer../Rise
When../enough../chlorine../is../added../to../cause../complete../oxidation../of../all../org
anic../compounds,../a../sudden../drop../in../residual../chlorine../may../be../noticed.../T
he../point../at../which../this../occurs../is../called../the:../-../correct../answer../Break-
point
"Residual../chlorine"../refers../to:../-
../correct../answer../The../amount../left../in../the../water../after../oxidation../of../organic
../material
Which../of../the../following../is../NOT../considered../a../swimming../pool../disinfect
ant:../-../correct../answer../Chlorinated../hydrocarbons
When../chlorine../is../used../as../a../disinfectant../for../swimming../pools,../the../form../
in../which../it's../disinfectant../properties../are../the../greatest../is:../-
../correct../answer../Hypochlorous../acid
The../percentage../of../hypoclorous../acid../formation../is../most../influenced../by:../-
../correct../answer../pH
Pool../painting../is../usually../done:../-
../correct../answer../Before../opening../in../the../spring
When../a../pool../is../chlorinated../with../gas../chlorine,../the../operator../must../also../u
se:../-../correct../answer../Soda../Ash
The../term../"chlorine../demand"../refers../to:../-
../correct../answer../The../amount../of../chlorine../which../will../react../with../substanc
es../in../the../pool
Re-circulation../pumps../used../in../swimming../pools../are../the../type../called:../-
../correct../answer../Centrifugal../pumps
Reversing../the../flow../of../water../through../the../filters../is../called:../-
../correct../answer../Backwash
"Slurry../feed"../or../"body../feed"../refers../to:../-
../correct../answer../Diatomite../added../during../a../filter../run
, The../term../pH../is../determined../by../the../concentration../of:../-
../correct../answer../Hydrogen../ions
Because../carbonate../ions../combine../with../hydrogen../ions,../sodium../carbonat
e../will../cause../pH../to:../-../correct../answer../Rise
When../enough../chlorine../is../added../to../cause../complete../oxidation../of../all../org
anic../compounds,../a../sudden../drop../in../residual../chlorine../may../be../noticed.../T
he../point../at../which../this../occurs../is../called../the:../-../correct../answer../Break-
point
"Residual../chlorine"../refers../to:../-
../correct../answer../The../amount../left../in../the../water../after../oxidation../of../organic
../material
Which../of../the../following../is../NOT../considered../a../swimming../pool../disinfect
ant:../-../correct../answer../Chlorinated../hydrocarbons
When../chlorine../is../used../as../a../disinfectant../for../swimming../pools,../the../form../
in../which../it's../disinfectant../properties../are../the../greatest../is:../-
../correct../answer../Hypochlorous../acid
