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NACE CP2 – EXAM Questions Bank with Correct Answers Updated & Verified NACE 2008 Student Manual! START OF CHAPTER 1 Corrosion is an electrochemical process involving A) flow of protons and electr

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Health Care exam material, 90 pages. Originally published on StudyMerit.

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90
Academic year
2025/2026
Language
English

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NACE CP2 – EXAM Questions Bank with Correct Answers Updated & Verified NACE 2008 Student Manual! START OF CHAPTER 1 Corrosion is an electrochemical process involving A) flow of protons and electrons B) flow of neutrons and ions C) flow of protons and ions D) flow of electrons and ions E) flow of resistance and resistivity ✔✔ d Metal loss or corrosion occurs at the A) cathode B) anode C) electronic path D) metallic path ✔✔ b What are the four parts of the corrosion cell A) anode, resistor, electrolyte, metallic path B) anode, cathode, electron, electronic path C) anode , cathode, electrolyte, metallic path ✔✔ c True or False (t or f): Ions exist only in the electrolyte? ✔✔ t Electrons flow in a corrosion cell by which of the following paths? A) anode to cathode via electrolyte B) cathode to anode via electronic pat h C) anode to cathode via electronic path ✔✔ c At the cathodic surface in a corrosion cell, the electrons from the ____ meet ____ ions from the solution. A) cathode, hydrogen B) cathode, OH - C) anode, hydrogen D) anode, OH - ✔✔ c

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Oxidation of the metal occurs at the ____ surfaces and reduction of ____ ions occurs at the ____. A) anodic, hydrogen, cathodes B) cathode, OH - , anodic C) anodic, OH - , cathodes D) cathode, anodic, electrolyte E) cathode, hydrogen, electrolyte ✔✔ a True or false Is oxidation necessarily associated with oxygen? ✔✔ f Current flow in a corrosion cell flows which path: A) anode to metallic path to cathode B) anode to electronic path to cathode C) cathode to metallic to anode D) cathode to electrolyte to anode E) anode to elect rolyte to cathode Voltage is the measure of the electrochemical difference between two electrodes in an electrolyte ✔✔ e _____ is the measure of the electrochemical difference between two electrodes in an electrolyte A) current B) resistance C) error D) ohms E) ohms - cm F) voltage ✔✔ f The ________ represents the reversible work to move a unit charge from the electrode surface through the solution to the reference electrode A) current potential B) electrode potential C) resistance potential D) ohms p otential E) Faraday potential ✔✔ b

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Metals occur in nature in the form of various chemical compounds referred to as ___ A) ores B) anodic metals C) cathodic metals D) carbohydrates ✔✔ a The amount of energy required by a metal during the refining proce ss determines the ___ or _______ of the metal. A) current, active state B) voltage, active state C) active resistance, voltage D) resistance, active state E) current, active resistance ✔✔ b During the refining stage of metal the ____ the energy, the mor e ____ the metal and the more tendency it has to corrode. A) higher, inactive B) lower, active C) higher, active D) lower, inactive ✔✔ c What is the most common iron ore? A) hemophite B) hematite C) magnesium D) calcium E) aluminum ✔✔ b True or false Iron is considered thermodynamically unstable? ✔✔ t True or false Gold is more noble than zinc? ✔✔ t Which of the following metals is most active? A) magnesium B) copper C) iron

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