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NACE CP1 Quizzes, Practical exam questions latest upload, Exams of Advanced Education

Cheyney University of PennsylvaniaAdvanced Education

NACE CP1 Quizzes, Practical exam questions latest upload

Typology: Exams

2025/2026

Available from 03/27/2026

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NACE CP1 Quizzes, Practical exam questions
latest upload
1.
Ohm's Law relates the following...: volts, amps,
resistance
2. Resistance to current flow is lowest for
a)low conductivity media
b)
small cross sectional area media
c)
short length of conductor
d) high resistivity media: c
3. 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: b
4. According to Ohm's Law, an electrical circuit with a driving voltage
of 12 Volts and a resistance of 10 Ohms produces a current of...(Amps):
1.2 A
5.
Kirchoff's
Current
Law:
the total current entering a circuit branch must equal the current
leaving the
branch
6.
Kirchoff's
Voltage
Law:
the sum of the voltage drops in a series circuit must equal the circuit's
total voltage
7.
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: b
pf3
pf4
pf5
pf8
pf9
pfa
pfd
pfe
pff

Partial preview of the text

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NACE CP1 Quizzes, Practical exam questions

latest upload

  1. Ohm's Law relates the following...: volts, amps, resistance
  2. Resistance to current flow is lowest for a) low conductivity media b) small cross sectional area media c)short length of conductor d) high resistivity media: c
  3. 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: b
  4. According to Ohm's Law, an electrical circuit with a driving voltage of 12 Volts and a resistance of 10 Ohms produces a current of...(Amps): 1.2 A
  5. Kirchoff's Current Law: the total current entering a circuit branch must equal the current leaving the branch
  6. Kirchoff's Voltage Law: the sum of the voltage drops in a series circuit must equal the circuit's total voltage
  7. 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: b

2 / 15

  1. 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: d
  2. The driving voltage of an electrical circuit with a resistance of 1 Ohm and 100 mA is...(Volts): 0.1 V
  3. What is the total resistance in a series circuit consisting of three resistances: 1 Ohm, 2 Ohms, and 10 Ohms?: 13 Ohms
  4. If a resistance of 0.17 Ohms was measured across a conductive material L = 1 m, D = 10 cm, what is its resistivity?: 0. Ohm-cm
  5. Cations are charged ions: positively
  6. Anions are charged ions: negatively
  7. Which of the follow 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: b
  8. Why does corrosion rate decrease as polarization increases?: polarization lowers potential ditterence between anode and cathode, causing a reduction in corrosion current and corrosion rate
  9. 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: a
  10. Oxidation

4 / 15 : anode to cathode, cathode to anode

  1. 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: d
  2. 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: b
  3. In a corrosion cell, which of the following is NOT required? a) oxygen b) cathode c)anode d) electrolyte: a
  4. The portion of the metal that is corroding is called the...: anode
  5. 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: b
  6. Reactions in the electrochemical corrosion cell consist of...: oxidation, reduction, electron transfer through electronic path, ion transfer through the electrolyte
  7. In a galvanic series, compared to noble metals, the more active metals

5 / 15 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: c

  1. 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: a
  2. 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: b
  3. In an impressed current system, what rectifier terminal is connected to the anodes?: positive
  4. 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: d
  5. What is the difference between off and native structure to electrolyte poten- tials?: polarized potential
  6. The polarized potential criterion of -850 mVCSE for cathodic protection is for what metal?: steel
  7. The criterion of -850 mV is referenced to which electrode?: copper- copper sulfate

7 / 15

  1. When the cathodic protection current is interrupted, the difference in poten- tial with current applied and the instant off potential is...: IR drop
  2. 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: d
  3. Which reference electrode is field rugged and designed for use in seawater?- : silver-silver chloride
  4. When measuring a structure to electrolyte potential, it is important to elim- inate 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: d
  5. Which of the follow instruments can measure and store potential changes over time? a) voltmeter b) data logger c)power meter d) ohmmeter: b
  6. If a structure to electrolyte potential of -0.850Volts to CSE is measured which of the following conversions to another electrode is correct?

8 / 15 a) 266mV to zinc b) -0.910 Volts to silver-silver chloride

10 / 15

  1. If the external circuit resistance of a constant voltage rectifier increases by two times, what will happen to the current?: current will be reduced by half

11 / 15

  1. Test stations are installed for which of the follow 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: d
  2. Typically, a constant voltage cathodic protection rectifier will NOT have a) transformer b) transistor c)rectifying element d) voltage tapes: b
  3. What configurations can impressed current anode beds be installed in? (4): remote shallow vertical anodes, remote shallow horizontal anodes, deep vertical anodes, distributed shallow vertical anodes
  4. 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: c
  5. What are typical resources of stray current? (3): cathodic protection systems, DC transit systems, telluric currents
  6. How can stray current corrosion be controlled? (4): relocating current

13 / 15 a) maintain corrosion control since CP is only effective when 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: c

  1. Routine monitor 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: a
  2. What tests are routinely completed on a cathodic protection system to en- sure that it is operating? (4): structure to electrolyte potentials, voltage and current output of DC power source, current output of galvanic anodes, current magnitude and direction in mitigation bonds
  3. Metallic shorts to a structure with cathodic protection will normally result in circuit resistance, current output, and a in protection: lower, higher, decrease
  4. When servicing a rectifier, which of the following practices should be fol- lowed? 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, smell for

14 / 15 unusual odors: d

  1. What could be the cause of a normal DC voltage but zero current output in an impressed current system?: broken cable to the anodes
  2. How is a deep anode installed?: 15 meters or more below the surface