1|Page
AMPP_NACE Cathodic Protection Specialist (CP4)
Exam Actual Test||Verified Questions and Correct
Answers With Rationales LATEST THIS YEAR.pdf
1.||Newest Exam!!!
Which of the following DC power supplies are commonly
used to charge batteries that in turn provide cathodic
protection current?
1. Thermoelectric generators
2. Solar
3. Wind-driven generator
4. Saturable reactor - Answer-2 and 3
2. Solar
3. Wind-driven generator
A constant potential rectifier provides a constant
A. voltage output
B. voltages between taps
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C. structure-to-electrolyte potential
D. potential to the SCR - Answer-C. structure-to-electrolyte
potential
The elements of a galvanic cathodic protection system in
soil includes which of the following?
1. Active material
2. Noble structure
3. Carbon backfill
4. Wiring - Answer-1, 2 and 4
1. Active material
2. Noble structure
4. Wiring
An impressed current system is NOT normally practical
under which of the following conditions?
A. With very small current requirements
B. For protection of poorly coated and bare structures
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C. In high soil resistivity
D. Inside water storage tanks - Answer-A. With very small
current requirements
Carbon backfill can be used around which of the following
anode material(s)?
1. High silicon cast iron
2. Magnesium
3. Zinc
4. Graphite - Answer-1 and 4
1. High silicon cast iron
4. Graphite
With a single diode installed in series with an AC voltage
source the results will be
A. half wave AC voltage
B. half wave DC voltage
C. full wave AC voltage
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D. full wave DC voltage - Answer-B. half wave DC voltage
Which of the following regulations require inspection of an
interference control drainage bond?
1. DOT 49 CFR 192
2. DOT 49 CFR 195
3. CSA Z662
4. ISO 15589-1 - Answer-All of the above
A galvanic anode system is NOT normally suitable in
which of the following conditions?
A. When a small amount of current is required
B. In high soil resistivity
C. For localized protection
D. For interference mitigation - Answer-B. In high soil
resistivity
Proper operation of a rectifier can be confirmed by which
of the following?
AMPP_NACE Cathodic Protection Specialist (CP4)
Exam Actual Test||Verified Questions and Correct
Answers With Rationales LATEST THIS YEAR.pdf
1.||Newest Exam!!!
Which of the following DC power supplies are commonly
used to charge batteries that in turn provide cathodic
protection current?
1. Thermoelectric generators
2. Solar
3. Wind-driven generator
4. Saturable reactor - Answer-2 and 3
2. Solar
3. Wind-driven generator
A constant potential rectifier provides a constant
A. voltage output
B. voltages between taps
,2|Page
C. structure-to-electrolyte potential
D. potential to the SCR - Answer-C. structure-to-electrolyte
potential
The elements of a galvanic cathodic protection system in
soil includes which of the following?
1. Active material
2. Noble structure
3. Carbon backfill
4. Wiring - Answer-1, 2 and 4
1. Active material
2. Noble structure
4. Wiring
An impressed current system is NOT normally practical
under which of the following conditions?
A. With very small current requirements
B. For protection of poorly coated and bare structures
,3|Page
C. In high soil resistivity
D. Inside water storage tanks - Answer-A. With very small
current requirements
Carbon backfill can be used around which of the following
anode material(s)?
1. High silicon cast iron
2. Magnesium
3. Zinc
4. Graphite - Answer-1 and 4
1. High silicon cast iron
4. Graphite
With a single diode installed in series with an AC voltage
source the results will be
A. half wave AC voltage
B. half wave DC voltage
C. full wave AC voltage
, 4|Page
D. full wave DC voltage - Answer-B. half wave DC voltage
Which of the following regulations require inspection of an
interference control drainage bond?
1. DOT 49 CFR 192
2. DOT 49 CFR 195
3. CSA Z662
4. ISO 15589-1 - Answer-All of the above
A galvanic anode system is NOT normally suitable in
which of the following conditions?
A. When a small amount of current is required
B. In high soil resistivity
C. For localized protection
D. For interference mitigation - Answer-B. In high soil
resistivity
Proper operation of a rectifier can be confirmed by which
of the following?
