Corrosion Control Exam Actual
Questions and Answers 2026
Concentration cell corrosion in iron system piping is the result of an
_____________ __________ between impurities in the pipe . -
correct answer ✅Electrochemical reaction
In concentration cell corrosion , one impurity acts as a __________
and the other an ________ in relation to each other . -
correct answer ✅Cathode
Anode
Since corrosion is the result of chemical reactions , anything that
impacts these chemical reactions near the anode or cathode will
change the ______ ___ _________. -
correct answer ✅Rate of corrosion
Some factors affecting corrosion rate include : -
correct answer ✅1. dissolved oxygen concentration
2. total dissolved solids concentration
3. pH
4. alkalinity
, Corrosion Control Exam Actual
Questions and Answers 2026
Some factors affecting corrosion rate include: -
correct answer ✅1. dissolved oxygen concentration
2. total dissolved solids concentration
3. pH
4. alkalinity
5. temperature
6. flow velocity
7. type of metal
8. electrical current
9. bacteria population and concentration
Dissolved oxygen ___________ the rate of corrosion ; the more
dissolved oxygen , the _______ corrosion occurs . -
correct answer ✅Accelerates
Faster
Total dissolved solids impact the corrosion rate because for
corrosion to occur , there must be _________ __________ between
the anode and cathode . -
correct answer ✅Electrical contact
Questions and Answers 2026
Concentration cell corrosion in iron system piping is the result of an
_____________ __________ between impurities in the pipe . -
correct answer ✅Electrochemical reaction
In concentration cell corrosion , one impurity acts as a __________
and the other an ________ in relation to each other . -
correct answer ✅Cathode
Anode
Since corrosion is the result of chemical reactions , anything that
impacts these chemical reactions near the anode or cathode will
change the ______ ___ _________. -
correct answer ✅Rate of corrosion
Some factors affecting corrosion rate include : -
correct answer ✅1. dissolved oxygen concentration
2. total dissolved solids concentration
3. pH
4. alkalinity
, Corrosion Control Exam Actual
Questions and Answers 2026
Some factors affecting corrosion rate include: -
correct answer ✅1. dissolved oxygen concentration
2. total dissolved solids concentration
3. pH
4. alkalinity
5. temperature
6. flow velocity
7. type of metal
8. electrical current
9. bacteria population and concentration
Dissolved oxygen ___________ the rate of corrosion ; the more
dissolved oxygen , the _______ corrosion occurs . -
correct answer ✅Accelerates
Faster
Total dissolved solids impact the corrosion rate because for
corrosion to occur , there must be _________ __________ between
the anode and cathode . -
correct answer ✅Electrical contact
