NACE CP2 – EXAM PACK 2024!!

oxidation - ANSWER-loss of electrons, positive charge atoms (anode) reduction - ANSWER-gain of electrons, negative charged atoms (cathode) forms of corrosion - ANSWER-uniform, crevice, galvanic (dissimilar metals) if two metals have to be couple then best to couple metals close together in the...

The elements of a corrosion cell include which of the following? 1. Anode 2. Cathode 3. Electrolyte 4. Electronic Path - ANSWER-All of the Above Faraday's Law calculates the A. potential of a metal in seawater B. potential of a metal in the metal ion solution C. metal lost based on th...

A galvanic anode system is NOT normally suitable in which of the following conditions? A. When a small amount of current is required B. In high soil resistivity C. For localized protection D. For interference mitigation - ANSWER-B. In high soil resistivity Proper operation of a rectifier ca...

A mitigation control bond should be designed to 1. carry the necessary current 2. restrict the current to that required to mitigate the problem 3. keep the current going in one direction if necessary 4. return the potential on the interfered with structure to its pre-interference state - ANSWE...

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 anodes D. Two different points on the structure - ANSWER-B. The structure and a standard ...

Metal surfaces in higher temperatures become more anodic or more cathodic? - ANSWER-Anodic 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 ...

ASTM D 4258 - ANSWER-standard practice for surface cleaning concrete for coating ASTM D 4259 - ANSWER-standard practice for abrading concrete ASTM D 4260 - ANSWER-standard practice for acid etching ASTM D 4261 - ANSWER-standard practice for surface cleaning concrete unit masonry for coating...

Define Corrosion - ANSWER-The deterioration of a substance, usually a metal from a reaction with its environment. What is Passivation? - ANSWER-A layer of oxides formed on the surface of a metal that provides corrosion protection. Stainless Steel for example. What are the elements of a corrosi...

corrosion - ANSWER-The deterioration of a substance, usually a metal from a reaction with its environment Passivation - ANSWER-A layer of oxides formed on the surface of a metal that provides corrosion protection. the elements of a corrosion cell - ANSWER-Anode, cathode, metallic pathway, elec...

Ohm's Law relates the following... - ANSWER-volts, amps, resistance Resistance to current flow is lowest for a) low conductivity media b) small cross sectional area media c) short length of conductor d) high resistivity media - ANSWER-c In a series circuit a) voltage drops are always...

Area of a circle - ANSWER-Pi times radius squared Area of a rectangle - ANSWER-Length times width Current decrease - ANSWER-Voltage decreases if resistance stays the same Current increase - ANSWER-Voltage increases resistance stays the same Faraday's law - ANSWER-The mass of a substance...

In complex structures, always select materials that are ____ each other in the galvanic series that will exhibit ____ voltage differences - ANSWER-near, little to no What is the first line of defense in corrosion control programs? - ANSWER-coating If the structure is coated, it is necessary to...

Dew point is the temperature at which - ANSWER-condensation occurs. You are the NACE Inspector on a tank lining project where a 50% solids epoxy tank lining is being applied. After application of the 19 coat you notice small blisters in some areas of the applied lining. Your FIRST preferred cours...

How is the process of steel corrosion ALWAYS described? - ANSWER-electrochemical Based on the galvanic series presented in the NACE CIP Level 1 Manual, which three can be used effectively as galvanic anodes for carbon steel? - ANSWER-zinc, aluminum, magnesium A decrease in temperature will gen...