Take A Free NACE CP 1 Tester Exam Practice Test – Quiz Course

Question 1

1.

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

Answer

a) as polarization decreases, current will decrease

Answer

a) as polarization decreases, current will decrease

Answer

b) as polarization increases, current will decrease

Answer

b) as polarization increases, current will decrease

Answer

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

Answer

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

Answer

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

Answer

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

Question 2

2.

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

Answer

a) directly proportional to the current

Answer

a) directly proportional to the current

Answer

b) directly proportional to the total resistance

Answer

b) directly proportional to the total resistance

Answer

c) inversely proportional to the current

Answer

c) inversely proportional to the current

Answer

d) inversely proportional to the resistance

Answer

d) inversely proportional to the resistance

Question 3

3.

Q: Oxidation

Answer

a) increases the negative charge of an atom or compound

Answer

a) increases the negative charge of an atom or compound

Answer

b) decreases the positive charge of an atom or compound

Answer

b) decreases the positive charge of an atom or compound

Answer

c) is independent of the reduction

Answer

c) is independent of the reduction

Answer

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

Answer

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

Question 4

4.

Q: Electrochemical corrosion requires

Answer

a) an anode and electronic path

Answer

a) an anode and electronic path

Answer

b) a cathode and electrolyte

Answer

b) a cathode and electrolyte

Answer

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

Answer

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

Answer

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

Answer

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

Question 5

5.

Q: Resistance to current flow is lowest for

Answer

a) low conductivity media

Answer

a) low conductivity media

Answer

b) small cross-sectional area media

Answer

b) small cross-sectional area media

Answer

c) short length of the conductor

Answer

c) short length of the conductor

Answer

d) high resistivity medi

Answer

d) high resistivity medi

Question 6

6.

Q: In a series circuit

Answer

a) voltage drops are always equal

Answer

a) voltage drops are always equal

Answer

b) total resistance equals the sum of individual resistances

Answer

b) total resistance equals the sum of individual resistances

Answer

c) current varies through resistors

Answer

c) current varies through resistors

Answer

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

Answer

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

Question 7

7.

Q: In a series electrical circuit

Answer

a) current is different across each resistor

Answer

a) current is different across each resistor

Answer

b) Kirchoff’s Voltage Law is obeyed

Answer

b) Kirchoff’s Voltage Law is obeyed

Answer

c) voltage is the same across each resistor

Answer

c) voltage is the same across each resistor

Answer

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

Answer

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

Question 8

8.

Q: In an anodic process

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Question 9

9.

Q: An electrochemical reaction consists of

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Question 10

10.

Q: The reduction reaction that occurs in an electrochemical reaction

Answer

a) occurs at the anode

Answer

a) occurs at the anode

Answer

b) occurs at the cathode

Answer

b) occurs at the cathode

Answer

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

Answer

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

Answer

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

Answer

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

Question 11

11.

Q: In the galvanic series, the more active metals

Answer

a) are more cathodic metals than noble metals

Answer

a) are more cathodic metals than noble metals

Answer

b) will corrode if connected to a less active metal

Answer

b) will corrode if connected to a less active metal

Answer

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

Answer

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

Answer

d) are generally resistant to corrosion

Answer

d) are generally resistant to corrosion

Question 12

12.

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

Answer

b) cathode

Answer

b) cathode

Answer

d) electrolyte

Answer

d) electrolyte

Question 13

13.

Q: At the anode in an electrochemical corrosion cell

Answer

a) electrons leave the anode and enter the electrolyte

Answer

a) electrons leave the anode and enter the electrolyte

Answer

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

Answer

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

Answer

c) electrons leave the cathode and enter the electrolyte

Answer

c) electrons leave the cathode and enter the electrolyte

Answer

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

Answer

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

Question 14

14.

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

Answer

a) are resistant to corrosion

Answer

a) are resistant to corrosion

Answer

b) are cathodic to the noble metals

Answer

b) are cathodic to the noble metals

Answer

c) have a tendency to corrode more easily

Answer

c) have a tendency to corrode more easily

Answer

d) have a less negative potential

Answer

d) have a less negative potential

Question 15

15.

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

Answer

a) no external power is required

Answer

a) no external power is required

Answer

b) current can easily be adjusted

Answer

b) current can easily be adjusted

Answer

c) more suitable for high resistivity soil

Answer

c) more suitable for high resistivity soil

Answer

d) high current capacity

Answer

d) high current capacity

Question 16

16.

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

Answer

a) lower efficiency

Answer

a) lower efficiency

Answer

b) less negative open circuit potential

Answer

b) less negative open circuit potential

Answer

c) higher current in higher soil resistivity

Answer

c) higher current in higher soil resistivity

Answer

d) lower life expectancy

Answer

d) lower life expectancy

Question 17

17.

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

Answer

c) difference between on and off

Answer

c) difference between on and off

Answer

d) difference between off and native

Answer

d) difference between off and native

Question 18

18.

Q: Galvanic anodes are generally used where

Answer

a) a large amount of current is required

Answer

a) a large amount of current is required

Answer

b) soil resistivity is high

Answer

b) soil resistivity is high

Answer

c) a small amount of current is required

Answer

c) a small amount of current is required

Answer

d) control of current is required

Answer

d) control of current is required

Question 19

19.

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

Answer

a) any metal in the galvanic series

Answer

a) any metal in the galvanic series

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Question 20

20.

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

Answer

a) increased temperature

Answer

a) increased temperature

Answer

b) increased velocity of the electrolyte

Answer

b) increased velocity of the electrolyte

Answer

c) presence of sulfate-reducing bacteria

Answer

c) presence of sulfate-reducing bacteria

Answer

d) decreased oxygen

Answer

d) decreased oxygen

Question 21

21.

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

Answer

a) connection points

Answer

a) connection points

Answer

b) through the soil

Answer

b) through the soil

Answer

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

Answer

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

Answer

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

Answer

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

Question 22

22.

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

Answer

a) voltmeter

Answer

a) voltmeter

Answer

b) data logger

Answer

b) data logger

Answer

c) power meter

Answer

c) power meter

Answer

d) ohmmeter

Answer

d) ohmmeter

Question 23

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?

Answer

a) 266mV to zinc

Answer

a) 266mV to zinc

Answer

b) -0.910 Volts to silver-silver chloride

Answer

b) -0.910 Volts to silver-silver chloride

Answer

c) -72mV to calomel

Answer

c) -72mV to calomel

Answer

d) 0.780V to calomel

Answer

d) 0.780V to calomel

Question 24

24.

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

Answer

a) voltage

Answer

a) voltage

Answer

b) current

Answer

b) current

Answer

c) resistance

Answer

c) resistance

Question 25

25.

Q:-Corrosion Cell

Answer

A) anode, metallic path, cathode, electrolyte

Answer

A) anode, metallic path, cathode, electrolyte

Answer

B) anode, cathode, electronic path, carbon

Answer

B) anode, cathode, electronic path, carbon

Answer

C) anode, electrolyte, carbonaceous fill, cathode

Answer

C) anode, electrolyte, carbonaceous fill, cathode

Answer

D) anode, cathode, oxygen, soil

Answer

D) anode, cathode, oxygen, soil

Question 26

26.

Q: Which is a more active metal?

Answer

a) copper rod in copper sulfate solution

Answer

a) copper rod in copper sulfate solution

Answer

b) corroded steel in freshwater

Answer

b) corroded steel in freshwater

Answer

c) new steel in freshwater

Answer

c) new steel in freshwater

Answer

d) copper sheet in freshwater

Answer

d) copper sheet in freshwater

Question 27

27.

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

Answer

A) will deliver a higher current

Answer

A) will deliver a higher current

Answer

B) will deliver a lower current

Answer

B) will deliver a lower current

Answer

C) will have a higher efficiency

Answer

C) will have a higher efficiency

Answer

D) are less practical

Answer

D) are less practical

Question 28

28.

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

Answer

A.Corrosion

Answer

A.Corrosion

Answer

B.Reduced corrosion rate

Answer

B.Reduced corrosion rate

Answer

C. Increased corrosion rate

Answer

C. Increased corrosion rate

Answer

D.Increased amount of current

Answer

D.Increased amount of current

Question 29

29.

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

Answer

a) to obtain structure to electrolyte potentials

Answer

a) to obtain structure to electrolyte potentials

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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.

Answer

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.

Question 30

30.

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

Answer

a) transformer

Answer

a) transformer

Answer

b) transistor

Answer

b) transistor

Answer

c) rectifying element

Answer

c) rectifying element

Answer

d) voltage tapes

Answer

d) voltage tapes

Question 31

31.

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

c) loss of metal from the structure

Answer

c) loss of metal from the structure

Answer

d) gain of metal on the foreign structure

Answer

d) gain of metal on the foreign structure

Question 32

32.

Q: The reasons to monitor a cathodic protection system include

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Question 33

33.

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

Answer

a) moisture content around anodes

Answer

a) moisture content around anodes

Answer

b) structure to electrolyte potentials

Answer

b) structure to electrolyte potentials

Answer

c) rectifier voltage and current output

Answer

c) rectifier voltage and current output

Answer

d) interference control bond current

Answer

d) interference control bond current

Question 34

34.

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

Answer

a) test case for voltage before contacting

Answer

a) test case for voltage before contacting

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Question 35

35.

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

Answer

A. No external power is required

Answer

A. No external power is required

Answer

B. Voltage and current outputs are flexible

Answer

B. Voltage and current outputs are flexible

Answer

C. They are less susceptible to damage from lightning

Answer

C. They are less susceptible to damage from lightning

Answer

D. No routine inspections are required

Answer

D. No routine inspections are required

Question 36

36.

Q: In a parallel electrical circuit

Answer

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

Answer

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

Answer

b) current is the same through each resistor

Answer

b) current is the same through each resistor

Answer

c) voltage is different across each resistor

Answer

c) voltage is different across each resistor

Answer

d) voltage is the same across each resistor

Answer

d) voltage is the same across each resistor

Question 37

37.

Q: Corrosion

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Question 38

38.

Q: Atoms

Answer

A) are positively charged particles in the nucleus

Answer

A) are positively charged particles in the nucleus

Answer

B) are neutral particles in the nucleus

Answer

B) are neutral particles in the nucleus

Answer

C) are electrically charged atoms

Answer

C) are electrically charged atoms

Answer

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

Answer

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

Question 39

39.

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

Answer

A. Product datasheet

Answer

A. Product datasheet

Answer

B. Code of federal regulations

Answer

B. Code of federal regulations

Answer

C. Material Safety Data Sheet

Answer

C. Material Safety Data Sheet

Answer

D. Equipment schematics

Answer

D. Equipment schematics

Question 40

40.

Q: Protons

Answer

A) are positively charged particles in the nucleus

Answer

A) are positively charged particles in the nucleus

Answer

B) are neutral particles in the nucleus

Answer

B) are neutral particles in the nucleus

Answer

C) are electrically charged atoms

Answer

C) are electrically charged atoms

Answer

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

Answer

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

Question 41

41.

Q: Neutrons

Answer

A) are positively charged particles in the nucleus

Answer

A) are positively charged particles in the nucleus

Answer

B) are neutral particles in the nucleus

Answer

B) are neutral particles in the nucleus

Answer

C) are electrically charged atoms

Answer

C) are electrically charged atoms

Answer

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

Answer

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

Question 42

42.

Q: Ions

Answer

A) are positively charged particles in the nucleus

Answer

A) are positively charged particles in the nucleus

Answer

B) are neutral particles in the nucleus

Answer

B) are neutral particles in the nucleus

Answer

C) are electrically charged atoms

Answer

C) are electrically charged atoms

Answer

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

Answer

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

Question 43

43.

Q: Anions

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

D) accelerate corrosion of metal pipe in clay environments

Answer

D) accelerate corrosion of metal pipe in clay environments

Question 44

44.

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

Answer

A. Rectifier output voltage

Answer

A. Rectifier output voltage

Answer

B. Resistance of impresses current anode ground beds

Answer

B. Resistance of impresses current anode ground beds

Answer

C. Current output of galvanic anodes

Answer

C. Current output of galvanic anodes

Answer

D. Structure-to-electrolyte potentials

Answer

D. Structure-to-electrolyte potentials

Question 45

45.

Q: Cation

Answer

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

Answer

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

Answer

B) loss of electrons yielding a positively charged ion

Answer

B) loss of electrons yielding a positively charged ion

Answer

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

Answer

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

Answer

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

Answer

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

Question 46

46.

Q: Molecules

Answer

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

Answer

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

Answer

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)

Answer

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)

Answer

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

Answer

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

Answer

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

Answer

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

Question 47

47.

Q: Chemical bonding

Answer

A) is the force that holds atoms of molecules together

Answer

A) is the force that holds atoms of molecules together

Answer

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

Answer

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

Answer

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)

Answer

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)

Answer

D) are particles that carry a negative charge

Answer

D) are particles that carry a negative charge

Question 48

48.

Q: Hydrogen ion H+

Answer

A)is the force that holds atoms of molecules together

Answer

A)is the force that holds atoms of molecules together

Answer

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

Answer

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

Answer

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

Answer

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

Answer

D) is an excess of H+ ions

Answer

D) is an excess of H+ ions

Question 49

49.

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

Answer

A) anode to the cathode through the electrolyte

Answer

A) anode to the cathode through the electrolyte

Answer

B) anode to the cathode through the metallic path

Answer

B) anode to the cathode through the metallic path

Answer

C) cathode to the anode through the electrolyte

Answer

C) cathode to the anode through the electrolyte

Answer

D) cathode to the anode through the metallic path

Answer

D) cathode to the anode through the metallic path

Question 50

50.

Q:-Reduction

Answer

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

Answer

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

Answer

B) is an ionized solution capable of conducting electricity

Answer

B) is an ionized solution capable of conducting electricity

Answer

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

Answer

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

Answer

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)

Answer

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)

Question 51

51.

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

Answer

A. resistance in Ohms

Answer

A. resistance in Ohms

Answer

B. is equal to the reciprocal of resistivity

Answer

B. is equal to the reciprocal of resistivity

Answer

C. is an excess of OH-

Answer

C. is an excess of OH-

Answer

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

Answer

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

Question 52

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?

Answer

A: 4398 Ohm-cm

Answer

A: 4398 Ohm-cm

Answer

B. is an excess of OH-

Answer

B. is an excess of OH-

Answer

C. is an ionized solution capable of conducting electricity

Answer

C. is an ionized solution capable of conducting electricity

Answer

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

Answer

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

Question 53

53.

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

Answer

A: 1.59 Ohms

Answer

A: 1.59 Ohms

Answer

B. 4398 Ohm-cm

Answer

B. 4398 Ohm-cm

Answer

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

Answer

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

Answer

D. is an ionized solution capable of conducting electricity

Answer

D. is an ionized solution capable of conducting electricity

Question 54

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Exam Detail	Information
Certification	AMPP Cathodic Protection Tester (CP1)
Formerly known as	NACE CP1 Tester
Theory exam code	NACE-CP1-001
Exam format	Computer-Based Testing (CBT)
Total questions	100
Scored questions	81
Unscored questions	19
Theory exam duration	3 hours
Exam type	Closed-book theory examination
Practical examination	Separate hands-on assessment
Certification validity	3 years

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

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

Q: Oxidation

Q: Electrochemical corrosion requires

Q: Resistance to current flow is lowest for

Q: In a series circuit

Q: In a series electrical circuit

Q: In an anodic process

Q: An electrochemical reaction consists of

Q: The reduction reaction that occurs in an electrochemical reaction

Q: In the galvanic series, the more active metals

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

Q: At the anode in an electrochemical corrosion cell

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

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

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

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

Q: Galvanic anodes are generally used where

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

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

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

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

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

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

Q:-Corrosion Cell

Q: Which is a more active metal?

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

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

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

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

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

Q: The reasons to monitor a cathodic protection system include

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

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

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

Q: In a parallel electrical circuit

Q: Corrosion

Q: Atoms

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

Q: Protons

Q: Neutrons

Q: Ions

Q: Anions

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

Q: Cation

Q: Molecules

Q: Chemical bonding

Q: Hydrogen ion H+

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

Q:-Reduction

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

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?

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

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1. Fundamentals of Corrosion – 30% to 40%

2. Equipment and Equipment Management – 5% to 15%

3. Installation and Field Measurement – 40% to 50%

4. Industry Practices and Requirements – 1% to 10%

5. Safety – 1% to 10%

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How to Prepare for the AMPP CP1 Exam

Step 1: Understand Cathodic Protection Fundamentals

Step 2: Practice Electrical Calculations

Step 3: Study CP Testing Instruments

Step 4: Focus on Field Measurement Techniques

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