Corrosion description - Study guides, Class notes & Summaries

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What is the driving force for corrosion of metals? Provide a brief description. Correct Answer-The metals want to constantly be at their lowest energy state and will do whatever they can to make that happen. When it does, corrosion is created. Which of the following defines the oxidation and reduction reactions happening in corrosion reactions? Correct Answer-Reduction happens when metals receive electrons and oxidation happens when metals lose electrons. According to following galvanic se...

CWB Welding Inspector Level 2 Exam (Latest 2024 / 2025 Update) Questions and Verified Answers | 100% Correct | Grade A Q: Define Erosion-Corrosion? Answer: description of the damage that occurs when corrosion contributes to erosion by removing protective films or scales, or by exposing the metal surface to further corrosion under the combined action of erosion and corrosion. Q: What kind of units/equipment are affected by Erosion, Erosion-Corrosion? Answer: All types of equipment tat are exposed...

CWB Welding Inspector Level 2 Exam (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: Define Erosion-Corrosion? Answer: description of the damage that occurs when corrosion contributes to erosion by removing protective films or scales, or by exposing the metal surface to further corrosion under the combined action of erosion and corrosion. Q: What kind of units/equipment are affected by Erosion, Erosion-Corrosion? Answer: All types of equip...

NACE 3 STUDY GUIDE Chapters 1 Question and answers 100% correct NACE 3 STUDY GUIDE Chapters 1-5, NACE Exam Preparation Guide (EPG) Job Duties and Experience Corrosion description Is usually described by its results. Familiar terms include rust, scaling, discoloration, oxidation, pitting, etc. Corrosion The deterioration of a substance, usually a metal, or its properties because of a reaction with its environment. The most common product of corrosion is an Oxide of iron "rust"...

Describe passivation - ANSWER-Passivation is the formation of a protective oxide Film on the surface reducing its chemical activity and its ability to corrode Describe the following factors and how they affect corrosion - ANSWER-Oxygen: oxygen increases the rate of corrosion temperature Temperature: corrosion usually accelerated with increasing temperature Chemical salts: increase the rate of corrosion by increasing the efficiency of the electrolyte humidity: the wetter the environment,...

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IF YOU WANT ADDITIONAL COPIES OF A PUBLICATION WHAT FORM DO YOU USE TO ORDER IT ON? correct answers 1348 WHAT STANDARD SUBJECT IDENTIFICATION CODE (SSIC) IS ASSIGNED TO ORDNANCE? correct answers 8000 SERIES WHAT NAVAIR MAJOR CATEGORY (SERIES) DESIGNATION NUMBER IS ASSIGNED TO ORDNANCE MANUALS? correct answers 11 SERIES WHAT NAVAIR MAJOR CATEGORY (SERIES) DESIGNATION NUMBER IS ASSIGNED TO ELECTRONICS MANUALS? correct answers 16 SERIES WHAT NAVAIR MAJOR CATEGORY (SERIES) DESIGNATION NU...

How is the process of steel corrosion ALWAYS described? - Correct answerelectrochemical 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? - Correct answer-zinc, aluminum, magnesium A decrease in temperature will generally cause the corrosion rate to _____ - Correct answer-decrease The electrolyte is a medium which carries the following type of current? - Correct answer-Ionic Corrosion occurring ...

CWB Level 2 Questions and Answers Already Passed What is the description of damage of a brittle fracture? Sudden rapid fracture under stress (residual or applied) where material exhibits little or no evidence of ductility or plastic deformation What type of Steel are of primary concern with brittle fractures? Carbon and low alloy steels. 400 series SS are also susceptible What has a significant influence on toughness and resistance to brittle fractures? Steel cleanliness and grain size In mos...

Appendix III Answers to Chapter Review Questions Chapter 1 Review: What Is Chemical Engineering? 1 2 3 Chemical engineering is a blend of: A __Lab work and textbook study of chemicals B X Chemistry, math, and mechanical engineering C __Chemical reaction mechanisms and equipment reliability D __Computers and equipment to make industrial chemicals Answer: (b) Chemistry, math, and mechanical engineering. Though chemical engineering includes the other answers, they are only m...