Q. Define area effect regarding galvanic corrosion?

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Q. Which of the following is/are the preventions of galvanic corrosion?

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Q. Which of the following principle is utilized in the concept of cathodic protection?

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Q. Which of the following is an example of cathodic protection?

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Q. Which of the following are the limitations of the EMF series?

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Q. Which of the following chemical is responsible for the stains on silver?

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Q. Which of the following is/are the reasons for the cause of crevice corrosion?

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Q. Which of the following type of corrosion is localized in nature?

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Q. Which of the following is the other name of crevice corrosion?

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Q. Which of the following metal is more susceptible to crevice corrosion?

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Q. Which of the following combination results in crevice corrosion?

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Q. Which of the following characteristics of the crevice is a must to act as a corrosion site?

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Q. What is the primary condition regarding the velocity of an electrolyte to form crevice corrosion?

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Q. The difference in metal ion or oxygen concentration between the crevice and its surroundings is the main reason for crevice corrosion.

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Q. Which of the following chemical reaction that usually occurs in the crevice?

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Q. Which of the following ions that accelerate the dissolution rate of metals or alloys in a crevice?

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Q. Which of the following metal is highly resistant to crevice corrosion?

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Q. As the metal dissolution within the crevice increases, the rate of oxygen reduction on adjacent surfaces increases.

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Q. What is the incubation period associated with a crevice attack?

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Q. Metals or alloys that depend on oxide films for corrosive resistance are highly susceptible to crevice corrosion.

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