Water Treatment Operator Level 2 Exam with all Correct & 100% Verified
Answers |Latest Version |Already Graded A+
1. The main application of categories of corrosion in
potas-sium permanganate water systems?
as an ox-idant in water
treatment is to
.
2. How does an inclined plate
set-tler differ from a
conventional clarifier?
3. In water treatment
systems what operational
event occurs when lime
slurries contact sur-faces?
4. What percentage of
avail-able chlorine does
calcium hypochlorite
contain for disin-fection?
5. What do flocculation and
coag-ulation involve in
water treat-ment?
6. What benefit does a
bacterial slime layer
provide on pipe sur-faces?
7. What causes air binding in
wa-ter treatment filters?
8. What are the two
1/
23
, Water Treatment Operator Level 2 Exam with all Correct & 100% Verified
Answers |Latest Version |Already Graded A+
Control odor and taste.
Requires a smaller footprint than a
conventional clarifier.
Calcium carbonate precipitates and coats
surfaces.
65-70%.
Mechanical and chemical processes.
Prevents calcium carbonate deposition.
Air pressure greater than atmospheric pressure.
Uniform and localized corrosion.
2/
23
, Water Treatment Operator Level 2 Exam with all Correct & 100% Verified
Answers |Latest Version |Already Graded A+
9. What factors determine measurement?
the optimal pH for
oxidizing iron and 16. Why is monomedium filter me-
manganese in water treat- dia deeper than conventional
ment? media in water treatment?
10. How does inadequate
floccu-lation time impact
floc forma-tion?
11. What compound
precipitates when excess
lime softening re-moves
magnesium ions?
12. What effect does
preoxida-tion have on
water treatment
processes?
13. When water is stabilized
with sulfuric acid, what
noncarbon-ate hardness
chemical is creat-ed?
14. At what CO₂ levels does iron
re-moval become more
difficult?
15. What is the difference
between true and apparent
color in wa-ter quality
3/
23
Answers |Latest Version |Already Graded A+
1. The main application of categories of corrosion in
potas-sium permanganate water systems?
as an ox-idant in water
treatment is to
.
2. How does an inclined plate
set-tler differ from a
conventional clarifier?
3. In water treatment
systems what operational
event occurs when lime
slurries contact sur-faces?
4. What percentage of
avail-able chlorine does
calcium hypochlorite
contain for disin-fection?
5. What do flocculation and
coag-ulation involve in
water treat-ment?
6. What benefit does a
bacterial slime layer
provide on pipe sur-faces?
7. What causes air binding in
wa-ter treatment filters?
8. What are the two
1/
23
, Water Treatment Operator Level 2 Exam with all Correct & 100% Verified
Answers |Latest Version |Already Graded A+
Control odor and taste.
Requires a smaller footprint than a
conventional clarifier.
Calcium carbonate precipitates and coats
surfaces.
65-70%.
Mechanical and chemical processes.
Prevents calcium carbonate deposition.
Air pressure greater than atmospheric pressure.
Uniform and localized corrosion.
2/
23
, Water Treatment Operator Level 2 Exam with all Correct & 100% Verified
Answers |Latest Version |Already Graded A+
9. What factors determine measurement?
the optimal pH for
oxidizing iron and 16. Why is monomedium filter me-
manganese in water treat- dia deeper than conventional
ment? media in water treatment?
10. How does inadequate
floccu-lation time impact
floc forma-tion?
11. What compound
precipitates when excess
lime softening re-moves
magnesium ions?
12. What effect does
preoxida-tion have on
water treatment
processes?
13. When water is stabilized
with sulfuric acid, what
noncarbon-ate hardness
chemical is creat-ed?
14. At what CO₂ levels does iron
re-moval become more
difficult?
15. What is the difference
between true and apparent
color in wa-ter quality
3/
23
