NACE

NACE CP2 STUDENT MANUAL CHAPTER 3: FIELD MEASUREMENTS EXAM ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++ A structure-to-electrolyte potential is a measurement taken with the voltmeter connected in ____ in the circuit. A) parallel B) series a A structure-to-electrolyte potential measures the potential difference between _________. A) two different structures acting as electrodes B) the structure and a standard reference electrode C) the structure and the ...

NACE CP2 STUDENT MANUAL CHAPTER 1: CORROSION THEORY EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Oxidation of the metal occurs at the ____ surfaces and reduction of ____ ions occurs at the ____. A) anodic, hydrogen, cathode B) cathode, OH-, anodic C) anodic, OH-, cathode D) cathode, anodic, electrolyte E) cathode, hydrogen, electrolyte a At the cathodic surface in a corrosion cell, the electrons from the ____ meet ____ ions from the solution. A) cathode, hydrogen ...

NACE CP1 BOOK CHAPTERS 1-4 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++ Power rate at which energy is used by an electrical device (P=VI, necessary to know power required by CP rectifier to size AC supply circuit) Longer wires (series) = ____ resistance and ____ current for given voltage higher, lower Cable running to groundbed represents ____ circuit and groundbed itself represents ____ circuit series, parallel DC direct current (flows in one direction, produ...

NACE CP - CHAPTER 2 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++ The electrode of an electrochemical cell at which oxidation occurs. Anode The part of the metal that corrodes Anode The electrode of an electrochemical cell at which reduction is the principal reaction. Cathode The more noble region on the electrode (metal surface, or in the battery analogy, the carbon rod) where the electrons are consumed. Cathode The electrical reaction is said to be positive,...

AMPP NACE CP2 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Nernst Equation Demonstrates how the metal ion concentration in the electrolyte affects the potential of the electrode EMF series The arrangement of elements according to their electrode potential, or their tendency to corrode vs SHE standard hydrogen electrode Galvanic Series List of metals and alloys arranged according to their corrosion potentials in a common electrolyte EMF (electromotive force) Driving force...

NACE CP1 ACTUAL EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Area of a circle Pi times radius squared Area of a rectangle Length times width Current decrease Voltage decreases if resistance stays the same Current increase Voltage increases resistance stays the same Faraday's law The mass of a substance altered I am electrode during electro sis is directly proportional to the quantity of electricity transferred at the electrode Faraday's law formula M = K x l x t

NACE CP1 – EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE corrosion The deterioration of a substance, usually a metal from a reaction with its environment Passivation A layer of oxides formed on the surface of a metal that provides corrosion protection. the elements of a corrosion cell Anode, cathode, metallic pathway, electrolyte what happens at the anode The metal dissolves into the electrolyte the function of the metallic pathway Allows the flow of ele...

NACE EXAM LATEST 2024 ACTUAL EXAM 130 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES

NACE EXAM LATEST 2024 ACTUAL EXAM 130 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES

Cathode More noble region where electrons are consumed. Reduc7on occurs at the cathode Anode Part of the metal that corrodes. Oxida7on occurs at the anode Return Path Connects cathode and anode and allows passage of electrons generated at the anode to the cathode Electrolyte Medium that conducts ionic (rather than electronic) current