NACE (National Association of Corrosion
Engineers) CP1 Tester Exam Questions and
Answers
Question 1
In a galvanic anode installation:
A) the buried bare wire between the structure and the anode is protected
B) the buried bare wire between the anode and the structure will corrode
C) the uncoated exposed wire connection to the pipe will corrode
D) the anode is backfilled in sand
Correct Answer
a
Question 2
Zinc nomianl corrosion potential
A) -1.10V
B) -1.05v
C) 1.75 to 1.55V
D) -1.75 to -1.55V
E) -0.2 to -0.5V
Correct Answer
a
Question 3
True or False (t or f)
Another name for the metallic path is the electronic path?
Correct Answer
t
Page 1 of 72
,Question 4
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
E) the ratio of metal consumed producing useful cathodic protection current to the
total metal consumed
Correct Answer
a
Question 5
Resistance to current flow is lowest for:
A) low conductivtiy media
B) small cross sectional area media
C) short length of conductor
D) long length of conductor
E) high resistivity media
Correct Answer
c
Question 6
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
E) are ions formed by the gaining of electrons and is negatively charged because the
number of electrons is greater than the number of protons
Correct Answer
a
Page 2 of 72
,Question 7
Kirchhoff's Current Law
A) as much amps flows away from a point as
flows toward it
B) is the opposition that charges encounter when moving
through a material
C) is a relationship between the ratio of voltage and current to the resistance of a
circuit
D) the sum of the source voltages around any
closed loop of a circuit is equal to the sum of the voltage drops across the resistances
in that loop
E) as much volts flows away from a point as flows toward it
Correct Answer
a
Question 8
MUST KNOW CONCEPT
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
Correct Answer
d
Question 9
PART OF WRITTEN EXAMINATION:
Breaks in the coating of the pipe are called
A) vacations
B) holidays
C) naps
D) tours
Correct Answer
b
Page 3 of 72
, Question 10
Conductivity unit of measure
A) ions
B) siemen/cm
C) nobles/cm
D) ohms/cm
E) amps
Correct Answer
b
Question 11
In relation to line locators conductive is
A) a direct connection with the pipe and transmitter
B) an indirect connection with radio waves
Correct Answer
a
Question 12
Acidic
A) is an excess of OH-
B) is an excess of H+ ions
C) when alkali dissociate, anion
D) is the division of chemistry that deals with the transfer of electric charge in
chemical reactions
E) loss of electrons yielding a positively charged ion
Correct Answer
b
Page 4 of 72
Engineers) CP1 Tester Exam Questions and
Answers
Question 1
In a galvanic anode installation:
A) the buried bare wire between the structure and the anode is protected
B) the buried bare wire between the anode and the structure will corrode
C) the uncoated exposed wire connection to the pipe will corrode
D) the anode is backfilled in sand
Correct Answer
a
Question 2
Zinc nomianl corrosion potential
A) -1.10V
B) -1.05v
C) 1.75 to 1.55V
D) -1.75 to -1.55V
E) -0.2 to -0.5V
Correct Answer
a
Question 3
True or False (t or f)
Another name for the metallic path is the electronic path?
Correct Answer
t
Page 1 of 72
,Question 4
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
E) the ratio of metal consumed producing useful cathodic protection current to the
total metal consumed
Correct Answer
a
Question 5
Resistance to current flow is lowest for:
A) low conductivtiy media
B) small cross sectional area media
C) short length of conductor
D) long length of conductor
E) high resistivity media
Correct Answer
c
Question 6
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
E) are ions formed by the gaining of electrons and is negatively charged because the
number of electrons is greater than the number of protons
Correct Answer
a
Page 2 of 72
,Question 7
Kirchhoff's Current Law
A) as much amps flows away from a point as
flows toward it
B) is the opposition that charges encounter when moving
through a material
C) is a relationship between the ratio of voltage and current to the resistance of a
circuit
D) the sum of the source voltages around any
closed loop of a circuit is equal to the sum of the voltage drops across the resistances
in that loop
E) as much volts flows away from a point as flows toward it
Correct Answer
a
Question 8
MUST KNOW CONCEPT
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
Correct Answer
d
Question 9
PART OF WRITTEN EXAMINATION:
Breaks in the coating of the pipe are called
A) vacations
B) holidays
C) naps
D) tours
Correct Answer
b
Page 3 of 72
, Question 10
Conductivity unit of measure
A) ions
B) siemen/cm
C) nobles/cm
D) ohms/cm
E) amps
Correct Answer
b
Question 11
In relation to line locators conductive is
A) a direct connection with the pipe and transmitter
B) an indirect connection with radio waves
Correct Answer
a
Question 12
Acidic
A) is an excess of OH-
B) is an excess of H+ ions
C) when alkali dissociate, anion
D) is the division of chemistry that deals with the transfer of electric charge in
chemical reactions
E) loss of electrons yielding a positively charged ion
Correct Answer
b
Page 4 of 72
