Category Archives: Corrosion Engineering MCQ

This set of Corrosion Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Mineral Acids – Sulfuric Acid”. 1. Which of the following is/are the examples of mineral acids? a) Sulfuric acid and nitric acid b) Hydrochloric acid and hydrofluoric acid c) Sulfuric, nitric, hydrochloric, hydrofluoric and phosphoric acid d) Sulfuric, nitric, hydrochloric and hydrofluoric … Read more

This set of Corrosion Engineering Assessment Questions and Answers focuses on “Corrosion Prevention – Coatings – 2”. 1. What is meant by chemical conversion regarding coatings of a metal? a) Coating metal is vaporized electrically to deposit on the parts to be coated b) Coatings produced by corroding the metal surface to form an adherent … Read more

This set of Corrosion Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Corrosion Prevention – Coatings – 1”. 1. A thin coating of metallic and inorganic materials can provide a satisfactory barrier between the metal and its environment. a) True b) False 2. Which of the following is/are the purposes of coatings? a) To … Read more

This set of Corrosion Engineering Questions and Answers for Campus interviews focuses on “Cathodic and Anodic Protection – 2”. 1. Which of the corrosion prevention method is used for reducing the maintenance cost of highway and bridges? a) Sacrificial anode b) Impressed current supply c) Anodic protection d) Use of inhibitors 2. Which of the … Read more

This set of Corrosion Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Cathodic and Anodic Protection – 1”. 1. Which of the following is/are the common electrochemical reactions that occur during corrosion? a) M==>M++ne b) 2H++2e=>H2 c) O2+4H++4e==>H2O d) M==>M++ne, 2H++2e=>H2 and O2+4H++4e==>H2O 2. Cathodic protection is achieved by supplying electrons to the metal … Read more

This set of Corrosion Engineering Multiple Choice Questions & Answers (MCQs) focuses on “ Corrosion Prevention – Inhibitors”. 1. An inhibitor is a chemical substance that added in small concentrations to an environment, to decrease the corrosion rate. a) True b) False 2. Which of the following is/are the types of inhibitors? a) Adsorption inhibitors … Read more

This set of Corrosion Engineering Questions and Answers for Entrance exams focuses on “Prevention – Material Selection and Design – 2”. 1. Since corrosion is a penetrating action, it is necessary to make allowances for the reduction in thickness in designing pipes and tanks. a) True b) False 2. What should be the approximate thickness … Read more

This set of Corrosion Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Prevention – Material Selection and Design – 1”. 1. The most common method of preventing corrosion is the selection of the proper metal or alloy for a particular corrosive service. a) True b) False 2. Which of the following composition range is … Read more

This set of Corrosion Engineering Problems focuses on “Materials – Other Nonmetallics”. 1. Which of the following compounds that are present in ceramics? a) Metallic elements b) Non-metallic elements c) Both metallic and non-metallic elements d) Neither metallic nor non-metallic elements 2. Which of the following is/are the examples of ceramics? a) Brick b) Stone … Read more

This set of Corrosion Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Materials – Thermosetters”. 1. What is meant by thermosetting plastic? a) It softens on heating and returns to original hardness on cooling b) It hardens on heating and retains hardness on cooling c) It hardens on heating and returns to original hardness … Read more