NACE CP2 practice Exam Questions and Answers Latest Updated 2025 Graded A+.

NACE CP2 practice Exam Questions and
Answers Latest Updated 2025 Graded A+


Which of the diodes in a rectifier is more sensitive to current
surges and can be quickly destroyed by any current overload


A) silicon
B) selenium - ANSWERS_a




During the refining stage of metal the the energy, the
more
the metal and the more tendency it has to corrode.


A) higher, inactive
B) lower, active
C) higher, active
D) lower, inactive - ANSWERS_c


What is the most common iron ore?


A) hemophite
B) hematite

,C) magnesium
D) calcium

,E) aluminum - ANSWERS_b


True or false


Iron is considered thermodynamically unstable? -
True or false


Gold is more noble than zinc? - ANSWERS_t


Which of the following metals is most active?


A) magnesium
B) copper
C) iron
D) nickel
E) platinum - ANSWERS_a


Electromotive force (emf), is in sign and magnitude to
the electrode potential of the less the electrode potential
of the .


A) unequal, cathode, anode

, B) unequal, anode, cathode
C) equal, cathode, anode
D) equal, anode, cathode - ANSWERS_d


The driving force for electrochemical corrosion is


A) current
B) voltage
C) resistance
D) ohms
E) siemens-cm - ANSWERS_b


In relation to a corrosion cell, is the net transfer of
electric charge per unit time


A) current
B) voltage
C) resistance
D) ohms
E) siemens-cm - ANSWERS_a