NACE CP 2 CERTIFICATION EVALUATION
QUESTIONS AND CORRECT ANSWERS
PRACTICE PACK
●● Metal surfaces in higher oxygen concentrations become more anodic
or more cathodic?
Answer: Cathodic
●● Metal surfaces in higher salt concentrations become more anodic or
more cathodic?
Answer: Anodic
●● Metal surfaces in higher metal ion concentrations become more
anodic or more cathodic?
Answer: Cathodic
●● Metal surfaces in higher PH environments become more anodic or
more cathodic?
Answer: Anodic
●● The potential of a metal surface at a PH of 7 is -500 mV. What would
be the potential of the same metal surface in a PH of 8?
Answer: -560 mV
QUESTIONS AND CORRECT ANSWERS
PRACTICE PACK
●● Metal surfaces in higher oxygen concentrations become more anodic
or more cathodic?
Answer: Cathodic
●● Metal surfaces in higher salt concentrations become more anodic or
more cathodic?
Answer: Anodic
●● Metal surfaces in higher metal ion concentrations become more
anodic or more cathodic?
Answer: Cathodic
●● Metal surfaces in higher PH environments become more anodic or
more cathodic?
Answer: Anodic
●● The potential of a metal surface at a PH of 7 is -500 mV. What would
be the potential of the same metal surface in a PH of 8?
Answer: -560 mV