AWWA WATER LATEST
OPERATOR
CERTIFICATION EXAM
PREP (WT
INTRODUCTORY)
What occurs when organic matter decomposes under anaerobic
conditions? - ANSWERS-Hydrogen sulfide gas is produced, and pH
decreases
Manganese and ground water is normally in the form of soluble
_______. - ANSWERS-Salts
If rainwater flows over a surface that is exposed to decomposing organic
matter in the soil, the carbon dioxide level of the water is increased,
which will form carbonic acid and thus increase the _______________
of the water. - ANSWERS-Corrosivity
The compliance for chlorite is based on the _______ of _______ chlorite
monitoring locations each ______. - ANSWERS-average, three, month
END OF
PAGE
1
, AWWA WATER LATEST
OPERATOR
CERTIFICATION EXAM
PREP (WT
INTRODUCTORY)
Radon is a gas most often found in _______. - ANSWERS-Granite
formations
What gas will cause old factory fatigue? - ANSWERS-Hydrogen sulfide
What is the main cause of THM's when chlorination is used? -
ANSWERS-Humic and fulvic acids
Eyewashes should be located _________________. - ANSWERS-in
every laboratory
The original SDWA and the 1986 amendments focused on what aspect
to provide safe drinking water? - ANSWERS-Treatment
If phosphates are used for corrosion control, mains should be flushed
regularly with phosphate results recorded _______. - ANSWERS-5, 10,
15 minute intervals
END OF
PAGE
2
, AWWA WATER LATEST
OPERATOR
CERTIFICATION EXAM
PREP (WT
INTRODUCTORY)
Systems that use chlorine dioxide will have to monitor for _______. -
ANSWERS-Chlorite
If a boil order is issued by a water, utility, customer should boil the
water for at least _______ or longer if at high altitude - ANSWERS-5
mins
What regulation specifies the percentage removal of TOC? -
ANSWERS-Stage 1 Disinfectants and Disinfection Byproducts Rule
What percentage of deaths in confined spaces are the deaths of would-be
rescuers? - ANSWERS-67%
What emergency repair kit is used for a chlorine cylinder? - ANSWERS-
Kit A
END OF
PAGE
3
OPERATOR
CERTIFICATION EXAM
PREP (WT
INTRODUCTORY)
What occurs when organic matter decomposes under anaerobic
conditions? - ANSWERS-Hydrogen sulfide gas is produced, and pH
decreases
Manganese and ground water is normally in the form of soluble
_______. - ANSWERS-Salts
If rainwater flows over a surface that is exposed to decomposing organic
matter in the soil, the carbon dioxide level of the water is increased,
which will form carbonic acid and thus increase the _______________
of the water. - ANSWERS-Corrosivity
The compliance for chlorite is based on the _______ of _______ chlorite
monitoring locations each ______. - ANSWERS-average, three, month
END OF
PAGE
1
, AWWA WATER LATEST
OPERATOR
CERTIFICATION EXAM
PREP (WT
INTRODUCTORY)
Radon is a gas most often found in _______. - ANSWERS-Granite
formations
What gas will cause old factory fatigue? - ANSWERS-Hydrogen sulfide
What is the main cause of THM's when chlorination is used? -
ANSWERS-Humic and fulvic acids
Eyewashes should be located _________________. - ANSWERS-in
every laboratory
The original SDWA and the 1986 amendments focused on what aspect
to provide safe drinking water? - ANSWERS-Treatment
If phosphates are used for corrosion control, mains should be flushed
regularly with phosphate results recorded _______. - ANSWERS-5, 10,
15 minute intervals
END OF
PAGE
2
, AWWA WATER LATEST
OPERATOR
CERTIFICATION EXAM
PREP (WT
INTRODUCTORY)
Systems that use chlorine dioxide will have to monitor for _______. -
ANSWERS-Chlorite
If a boil order is issued by a water, utility, customer should boil the
water for at least _______ or longer if at high altitude - ANSWERS-5
mins
What regulation specifies the percentage removal of TOC? -
ANSWERS-Stage 1 Disinfectants and Disinfection Byproducts Rule
What percentage of deaths in confined spaces are the deaths of would-be
rescuers? - ANSWERS-67%
What emergency repair kit is used for a chlorine cylinder? - ANSWERS-
Kit A
END OF
PAGE
3
