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NACE CP 2 Quiz 4 Questions & Answers 100% Accurate
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Proper operation of a rectifier can be confirmed by which of the following? 1. DC current output 2. DC voltage output 3. Tap setting 4. Potential at a control point - ANSWER-All of the above The purpose of the galvanic anode backfill is NOT to A. prevent passivation of the anode B. cre...

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  • January 7, 2024
  • 7
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • nace cp 2 quiz 4 questions answers 100 accurate
  • nace cp 2 quiz 4 questions answers stuvia
  • a galvanic anode system is not normally suitable i

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NACE CP 2 Quiz 4 Questions & Answers
100% Accurate

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?

1. DC current output
2. DC voltage output
3. Tap setting
4. Potential at a control point - ANSWER-All of the above

The purpose of the galvanic anode backfill is NOT to

A. prevent passivation of the anode
B. create uniform corrosion of the anode
C. passivate the anode
D. provide a low resistivity environment around the anode - ANSWER-C. passivate the
anode

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
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
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
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

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