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Here you can Take A Free NACE CP1 Tester Exam Practice Test – Cathodic Protection Tester – Theory Exam Computer Based Testing (CBT) with the latest Questions and Answers

1.

Q: Which of the following is true about an electrochemical cell?

 a) as polarization decreases, current will decrease

 b) as polarization increases, current will decrease

 c) as polarization increases, there is no change in current

 d) as polarization decreases, there is a decrease in driving voltage

2.

Q: The weight of any material deposited on the cathode or released from the anode is

 a) directly proportional to the current

 b) directly proportional to the total resistance

 c) inversely proportional to the current

 d) inversely proportional to the resistance

3.

Q: Oxidation

 a) increases the negative charge of an atom or compound

 b) decreases the positive charge of an atom or compound

 c) is independent of the reduction

 d) occurs when the electrons are lost from an atom or compound

4.

Q: Electrochemical corrosion requires

 a) an anode and electronic path

 b) a cathode and electrolyte

 c) an anode, a cathode, and an electronic path

 d) an anode, a cathode, an electrolyte, and an electronic path

5.

Q: Resistance to current flow is lowest for

 a) low conductivity media

 b) small cross-sectional area media

 c) short length of the conductor

 d) high resistivity medi

6.

Q: In a series circuit

 a) voltage drops are always equal

 b) total resistance equals the sum of individual resistances

 c) current varies through resistors

 d) total current is equal to the sum of the current through each resistor

7.

Q: In a series electrical circuit

 a) current is different across each resistor

 b) Kirchoff’s Voltage Law is obeyed

 c) voltage is the same across each resistor

 d) total resistance is the sum of the reciprocal of each resistance

8.

Q: In an anodic process

 a) positively charged ions leave the anode and enter the electrolyte

 b) electrons flow through the electronic path from cathode to anode

 c) negatively charged ions leave the anode and enter the electrolyte

 d) positively charged ions leave the cathode and enter the electrolyte

9.

Q: An electrochemical reaction consists of

 a) an oxidation half-reaction and electron movement in the metallic path

 b) a reduction in half-reaction and ionic movement in the electrolyte

 c) an oxidation half-reaction, a reduction half-reaction, and electron movement in the metallic path

 d) an oxidation half-reaction, a reduction half-reaction, ionic movement in the electrolyte, and electron movement in the metallic path

10.

Q: The reduction reaction that occurs in an electrochemical reaction

 a) occurs at the anode

 b) occurs at the cathode

 c) occurs at the anode and involves the loss of electrons

 d) occurs at the cathode and involves the gain of electrons

11.

Q: In the galvanic series, the more active metals

 a) are more cathodic metals than noble metals

 b) will corrode if connected to a less active metal

 c) will not corrode if connected to a less active metal

 d) are generally resistant to corrosion

12.

Q: In a corrosion cell, which of the following is NOT required?

 a) oxygen

 b) cathode

 c) anode

 d) electrolyte

13.

Q: At the anode in an electrochemical corrosion cell

 a) electrons leave the anode and enter the electrolyte

 b) positively charged ions leave the anode and enter the electrolyte

 c) electrons leave the cathode and enter the electrolyte

 d) negatively charged ions leave the anode and enter the electrolyte

14.

Q: In a galvanic series, compared to noble metals, the more active metals

 a) are resistant to corrosion

 b) are cathodic to the noble metals

 c) have a tendency to corrode more easily

 d) have a less negative potential

15.

Q: Compared to an impressed current system, a galvanic anode system has the following advantage

 a) no external power is required

 b) current can easily be adjusted

 c) more suitable for high resistivity soil

 d) high current capacity

16.

Q: Compared to magnesium anodes, zinc anodes tend to have a

 a) lower efficiency

 b) less negative open circuit potential

 c) higher current in higher soil resistivity

 d) lower life expectancy

17.

Q: The quantity of polarization is determined by which structure to electrolyte potential?

 a) on

 b) off

 c) difference between on and off

 d) difference between off and native

18.

Q: Galvanic anodes are generally used where

 a) a large amount of current is required

 b) soil resistivity is high

 c) a small amount of current is required

 d) control of current is required

19.

Q: The criterion for cathodic protection of -850 mV applies to which of the following conditions?

 a) any metal in the galvanic series

 b) any metal in the galvanic series and referenced to a copper-copper sulfate electrode

 c) only steel or cast iron and referenced to a copper-copper sulfate electrode

 d) only steel or cast iron and referenced to a silver-silver chloride electrode

20.

Q: Which of the following will likely reduce the current requirement for cathodic protection?

 a) increased temperature

 b) increased velocity of the electrolyte

 c) presence of sulfate-reducing bacteria

 d) decreased oxygen

21.

Q: When measuring a structure to electrolyte potential, it is important to eliminate IR drop across which of the following?

 a) connection points

 b) through the soil

 c) connection points, through the soil, and reference electrode soil contact

 d) connection points, through the soil, metallic path, and reference electrode soil contact

22.

Q: Which of the following instruments can measure and store potential changes over time?

 a) voltmeter

 b) data logger

 c) power meter

 d) ohmmeter

23.

Q: If a structure to electrolyte potential of -0.850Volts to CSE is measured which of the following conversions to another electrode is correct?

 a) 266mV to zinc

 b) -0.910 Volts to silver-silver chloride

 c) -72mV to calomel

 d) 0.780V to calomel

24.

Q: To calculate resistivity using the Wenner 4-pin method, the following measured value is used

 a) voltage

 b) current

 c) resistance

 d) power

25.

Q:-Corrosion Cell

 A) anode, metallic path, cathode, electrolyte

 B) anode, cathode, electronic path, carbon

 C) anode, electrolyte, carbonaceous fill, cathode

 D) anode, cathode, oxygen, soil

26.

Q: Which is a more active metal?

 a) copper rod in copper sulfate solution

 b) corroded steel in freshwater

 c) new steel in freshwater

 d) copper sheet in freshwater

27.

Q: Compared to zinc anodes, magnesium anodes in high-resistivity soil

 A) will deliver a higher current

 B) will deliver a lower current

 C) will have a higher efficiency

 D) are less practical

28.

Q: Which of the following results from the polarization of a metal?

 A.Corrosion

 B.Reduced corrosion rate

 C. Increased corrosion rate

 D.Increased amount of current

29.

Q: Test stations are installed for which of the following purposes?

 a) to obtain structure to electrolyte potentials

 b) to confirm the effectiveness of underground isolating fittings, and to confirm the isolation of road casings

 c) to obtain structure to electrolyte potentials, to confirm the effectiveness of underground isolating fittings, to confirm the isolation of road casings

 d) to obtain structure to electrolyte potentials, to confirm the effectiveness of underground isolating fittings, to confirm the isolation of road casings, and to measure the amount and direction of current in a pipeline.

30.

Q: Typically, a constant voltage cathodic protection rectifier will NOT have

 a) transformer

 b) transistor

 c) rectifying element

 d) voltage tapes

31.

Q: An adverse effect of stray DC current discharging from a metal into an electrolyte is the

 a) loss of current to the foreign source of the current

 b) loss of current to the structure’s cathodic protection system

 c) loss of metal from the structure

 d) gain of metal on the foreign structure

32.

Q: The reasons to monitor a cathodic protection system include

 a) maintain corrosion control since CP is only effective when the operation

 b) maintain corrosion control and be in compliance with codes and regulations

 c) maintain corrosion control, be in compliance with codes and regulations, and operate in accordance with industry standards

 d) maintain corrosion control, be in compliance with codes and regulations, operate in accordance with industry standards, and help keep operating staff employed

33.

Q: Routine monitoring of a cathodic protection system usually does NOT include

 a) moisture content around anodes

 b) structure to electrolyte potentials

 c) rectifier voltage and current output

 d) interference control bond current

34.

Q: When servicing a rectifier, which of the following practices should be followed?

 a) test case for voltage before contacting

 b) test case for voltage before contacting and look for discoloration and vent obstructions

 c) listen for unusual noises and look for discoloration and vent obstructions

 d) test the case for voltage before contacting, listen for unusual noises, look for discoloration and vent obstructions, and smell for unusual odors

35.

Q: Which of the following are advantages of impressed current systems?

 A. No external power is required

 B. Voltage and current outputs are flexible

 C. They are less susceptible to damage from lightning

 D. No routine inspections are required

36.

Q: In a parallel electrical circuit

 a) total resistance is the sum of all of the resistors

 b) current is the same through each resistor

 c) voltage is different across each resistor

 d) voltage is the same across each resistor

37.

Q: Corrosion

 A) is defined by NACE International as the deterioration of a material, usually a metal that results from a reaction with its environment

 B) is produced when acids dissociate, when the action takes place

 C) is the division of chemistry that deals with the transfer of electric charge in chemical reactions

 D) involves the movement of electrons from anode to the cathode for the reduction reaction to occur

38.

Q: Atoms

 A) are positively charged particles in the nucleus

 B) are neutral particles in the nucleus

 C) are electrically charged atoms

 D) consist of a nucleus and orbiting electrons, the number of protons equals the number of negatively charged electrons

39.

Q: The primary source of information about chemical hazards can be obtained from which of the following?

 A. Product datasheet

 B. Code of federal regulations

 C. Material Safety Data Sheet

 D. Equipment schematics

40.

Q: Protons

 A) are positively charged particles in the nucleus

 B) are neutral particles in the nucleus

 C) are electrically charged atoms

 D) consist of a nucleus and orbiting electrons, the number of protons equals the number of negatively charged electrons

41.

Q: Neutrons

 A) are positively charged particles in the nucleus

 B) are neutral particles in the nucleus

 C) are electrically charged atoms

 D) consist of a nucleus and orbiting electrons, the number of protons equals the number of negatively charged electrons

42.

Q: Ions

 A) are positively charged particles in the nucleus

 B) are neutral particles in the nucleus

 C) are electrically charged atoms

 D) consist of a nucleus and orbiting electrons, the number of protons equals the number of negatively charged electrons

43.

Q: Anions

 A) are composed of two or more atoms, molecules are the smallest unit of a substance with the same specific chemical properties as that substance

 B) are metals that corrode under low and high pH levels

 C) are ions formed by the gaining of electrons and are negatively charged because the number of electrons is greater than the number of protons

 D) accelerate corrosion of metal pipe in clay environments

44.

Q: Which of the following data are used to determine when adequate cathodic protection is achieved?

 A. Rectifier output voltage

 B. Resistance of impresses current anode ground beds

 C. Current output of galvanic anodes

 D. Structure-to-electrolyte potentials

45.

Q: Cation

 A) are composed of two or more atoms, molecules are the smallest unit of a substance with the same specific chemical properties as that substance

 B) loss of electrons yielding a positively charged ion

 C) is the negative logarithm to the base 10 of the hydrogen ion concentration or pH = -log[H+]

 D) are metals that corrode under low and high pH levels

46.

Q: Molecules

 A) is produced when acids dissociate, when cation takes place

 B) is the term applied to the loss of one or more electrons from an atom or molecule, which forms a positively charged ion, the atom or molecule decreases in negative charge (occurs at the anode)

 C) are composed of two or more atoms, molecules are the smallest unit of a substance with the same specific chemical properties as that substance

 D) is the deviation from the open circuit potential of an electrode resulting from the passage of current

47.

Q: Chemical bonding

 A) is the force that holds atoms of molecules together

 B) is the division of chemistry that deals with the transfer of electric charge in chemical reactions

 C) is the gain of one or more electrons to an atom or molecule, which then forms a negatively charged ion or neutral element (occurs at the cathode)

 D) are particles that carry a negative charge

48.

Q: Hydrogen ion H+

 A)is the force that holds atoms of molecules together

 B) are ions formed by the gaining of electrons and are negatively charged because the number of electrons is greater than the number of protons

 C) is produced when acids dissociate, when cation takes place

 D) is an excess of H+ ions

49.

Q: – In a corrosion cell, electrons flow in the direction of:

 A) anode to the cathode through the electrolyte

 B) anode to the cathode through the metallic path

 C) cathode to the anode through the electrolyte

 D) cathode to the anode through the metallic path

50.

Q:-Reduction

 A) AMCE (anode, metallic path, cathode, electrolyte)

 B) is an ionized solution capable of conducting electricity

 C) is the loss of one or more electrons of an atom or molecule, which forms a positively charged ion (occurs at the cathode)

 D) is the gain of one or more electrons to an atom or molecule, which then forms a negatively charged ion or neutral element (occurs at the cathode)

51.

Q: In the equation used to calculate the resistivity using the Wenner 4-pin method, R represents…(units too)

 A. resistance in Ohms

 B. is equal to the reciprocal of resistivity

 C. is an excess of OH-

 D. the ratio of metal consumed producing useful cathodic protection current to the total metal consumed

52.

Q: If a resistance of 3.5 Ohms was measured using the Wenner 4-pin method and spacing between the pins is 2m, what is the resistivity?

 A: 4398 Ohm-cm

 B. is an excess of OH-

 C. is an ionized solution capable of conducting electricity

 D. are ions formed by the gaining of electrons and are negatively charged because the number of electrons is greater than the number of protons

53.

Q: If soil resistivity is 1000 Ohm-cm and the spacing between pins is 1m, what is the expected resistance measurement?

 A: 1.59 Ohms

 B. 4398 Ohm-cm

 C. the ratio of metal consumed producing useful cathodic protection current to the total metal consumed

 D. is an ionized solution capable of conducting electricity

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Eligibility for NACE CP 1 Cathodic Protection Tester Exam:

Candidate should have 6 months of CP-related work experience

Exam pattern of NACE CP1 Cathodic Protection Tester Exam:

Test Name: AMPP CP 1 – Cathodic Protection Tester – Theory Exam
Test Code: NACE-CP1-001

NACE CP 1 is 2 Types of Exams:

1. NACE CP 1 Cathodic Protection Tester Practical Exam (hands-on)
2. NACE CP 1 Cathodic Protection Tester Theory Exam (multiple choice, closed-book, with relevant references)

Exam Time: 2 ½ hours*
Number of Questions: 85
Format: Computer Based Testing (CBT)

What Books Recommended to Study for NACE CP1 Test?

Here you can see the best books and Standards to study for NACE CP 1 Cathodic Protection Tester Exam

1. Peabody, A. W. (2001). Peabody’s Control of Pipeline Corrosion (No. Ed. 2). NACE.
2. AMPP Cathodic Protection Tester—CP 1 course material
3. NACE SP 0169 (2013). “Control of External Corrosion on Underground of Submerged Metallic Piping Systems.
4. NACE SP 0176 (2007) SG. “Corrosion Control of Submerged Areas of Permanently Installed Steel Offshore Structures Associated with Petroleum Production.
5. NACE SP 0177 (2014). “Mitigation of Alternating Current and Lightning Effects on Metallic Structures and Corrosion Control Systems.
6. NACE SP 0200 (2014). “Steel-Cased Pipeline Practices.

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