Examples of corrosion - Study guides, Class notes & Summaries

What are Volatile Organic Compounds (VOCs)? Chemicals that easily evaporate at room temperature. What are solvents? Substances that dissolve other substances to form a solution. Why can solvents in coatings be harmful? Because they can release VOCs into the air. What are some examples of solvents used in coatings? Acetone, toluene, xylene, and ethyl acetate. What are three commonly used galvanic anodes for carbon steel? Zinc, Aluminum, and Magnesium What is the effect of temperatu...

FF2 Chapter 24 Analyzing the Incident IFSTA The Emergency Response Guidebook (ERG) is primarily designed for use at: - ANSWER incidents occurring on highway or railroad. In trucks and airplanes, shipping papers should be: - ANSWER placed near the driver or pilot. Which is NOT included on pesticide labels in the U.S. and Canada? - ANSWER ...

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...

Water Treatment AWWA Questions Grades 1 and 2. Treatment Process Questions and Answers 100% correct What must the effluent NTU for a slow sand filter be kept at during operation? Less than 1.0 NTU When water is added too fast to this treatment chemical, it will generate heat and splattering of the chemical. Sulfuric acid In the lime-softening process, besides CaCO3 being precipitated, what other carbonate hardness chemical is precipitated? Magnesium hydroxide Dry alum ha...

A Technology bypassing conventional I/O by using direct communications between smart field devices and associated control processors is: - ANS Fieldbus. Redundant controllers in a distributed control system reside: - ANS As a hot standby at the central processor. The ultimate period method for tuning a controller was first proposed by: - ANS Ziegler and Nichols. One method of oxygen analysis focuses on the: - ANS Color Properties of Oxygen. A piece of pipe has an AISI...

Chemical Corrosion  result of direct exposure of unprotected surface to a corrosive liquid or gas Metals more susceptible to corrosion are _____ and less susceptible are _____  anodic, cathodic 4 things required for metals to corrode  1) A metal that will corrode (anode) 2) A dissimilar metal with less tendency to corrode (cathode) 3) Conductive pathway 4) Electrolyte Most anodic will give up electrons _____  most easily What element is at the top of the nobility chart? ...

Fire and Smoke Restoration Exam Questions and Answers Latest 2024/2025 Graded A+. Technicians should not decide they will be able to restore a damaged item until they have __________ the item and communicated with the customer (Ans- pretest The restoration company works for the property owner, who is the primary customer. A secondary customer is the __________ __________ when the property owner is an __________ (Ans- insurance carrier, insured Smoke and soot particles are visual by-produ...

CWB Level II exam | Questions and Correct Solutions Latest Update 2024/2025 | Graded A+ What is the term used to describe the following condition of lost corrosion resistance? "When certain stainless steels are heated between 500-850° C, carbides form at the grain boundaries and cause a local depletion of chromium." (A) Oxidization (B) Increased toughness (C) Solution heat treatment (D) Sensitization - Answer -(D) Sensitization Note: Also known as "carbide precipitation" -- Chrom...

NACE Level 1 Study Guide Question and answers correctly solved 2024 Examples of corrosion - correct answer Rust, scaling, discoloration, oxidation, pitting Percent iron in mild carbon steel - correct answer 98-99% passivation - correct answer formation of surface layer of substrate that slows down corrosion. Iron alone does not form such a barrier Corrosion is what type of process? - correct answer Electrochemical. Both electrons and ions carry the corrosion current volt...