This set of Corrosion Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Eight Forms – Erosion Corrosion”. 1. Erosion corrosion accelerates the rate of attack on a metal because of relative movement between corrosive fluid and the metal surface. a) True b) False 2. Which of the following type of directional patterns usually exhibit … Read more
This set of Corrosion Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Eight Forms – Selective Leaching”. 1. Selective Leaching is the removal of one element from a solid alloy by the corrosion process. a) True b) False 2. What is the percent of zinc that consists of common yellow brass? a) 70% b) … Read more
This set of Corrosion Engineering Quiz focuses on “Eight Forms – Intergranular Corrosion – 2”. 1. Which of the following is/are the methods to control intergranular corrosion of austenitic stainless steel? a) Employing solution-quenching b) Adding stabilizers c) Lowering the carbon content to below 0.03% d) Employing solution-quenching, adding stabilizers and lowering the carbon content … Read more
This set of Corrosion Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Eight Forms – Intergranular Corrosion – 1”. 1. Which of the following is/are more reactive in intergranular corrosion? a) Grain b) Grain boundary c) Both grain and grain boundary d) Neither grain nor grain boundary 2. What is Intergranular corrosion? a) Localized … Read more
This set of Corrosion Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Eight Forms – Pitting Corrosion”. 1. Pitting is a form of extremely localized attack that results in holes in the metal. a) True b) False 2. Which of the following is the characteristic of a pit? a) Cavity with the surface diameter … Read more
This set of Corrosion Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Eight Forms – Filiform Corrosion”. 1. Which of the following characteristics of active-passive metal will acquire optimize crevice corrosion resistance? a) A narrow active-passive transition b) A small critical current density c) An extended passive region d) A narrow active-passive transition, a … Read more
This set of Corrosion Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Eight Forms – Crevice Corrosion”. 1. Which of the following is/are the reasons for the cause of crevice corrosion? a) The stagnant solution in the holes and gasket surfaces b) The stagnant solution in the lap joints and surface deposits c) Dissimilar … Read more
This set of Corrosion Engineering Interview Questions and Answers for Experienced people focuses on “Eight Forms – Galvanic Corrosion – 2”. 1. The reason for the noble nature of titanium is that it cathodically polarizes readily in seawater. a) False b) True 2. Corrosion is greater near the seashore than in a dry rural atmosphere. … Read more
This set of Corrosion Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Eight Forms – Galvanic Corrosion – 1”. 1.What is the other name of galvanic corrosion? a) Bi-metallic corrosion b) Mono-metallic corrosion c) Localized corrosion d) Mono-metallic and localized corrosion 2. Corrosion of less corrosion-resistant metal is usually increased and the attack of … Read more
This set of Corrosion Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Eight Forms – Uniform Corrosion”. 1. What is the important basis for the classification of corrosion? a) Appearance of corroded metal b) Nature of metal c) Environmental conditions d) Corrosion rate 2. Which of the following is/are types of corrosion? a) Erosion … Read more
