NACE CP2 – EXAM Questions And Answers (Verified And Updated)

NACE CP2 – EXAM Questions And Answers (Verified And Updated) NACE 2024 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 - answerd Metal loss or corrosion occurs at the A) cathode B) anode C) electronic path D) metallic path - answerb 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 - answerc True or False (t or f): Ions exist only in the electrolyte? - answert Electrons flow in a corrosion cell by which of the following paths? A) anode to cathode via electrolyte B) cathode to anode via electronic path C) anode to cathode via electronic path - answerc 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- - answerc 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 - answera True or false Is oxidation necessarily associated with oxygen? - answerf 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 electrolyte to cathode Voltage is the measure of the electrochemical difference between two electrodes in an electrolyte - answere _____ 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 - answerf 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 potential E) Faraday potential - answerb Metals occur in nature in the form of various chemical compounds referred to as ___ A) ores B) anodic metals C) cathodic metals D) carbohydrates - answera The amount of energy required by a metal during the refining process 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 - answerb 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 - answerc What is the most common iron ore? A) hemophite B) hematite C) magnesium D) calcium E) aluminum - answerb True or false Iron is considered thermodynamically unstable? - answert