Q. Which of the following ion/ions that result in the blue-green color of the active head in a corrosion filament?

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Q. Which of the following is the most environmental factor of filiform corrosion?

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Q. What are the preventions of filiform corrosion?

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Q. Pitting is a form of extremely localized attack that results in holes in the metal.

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Q. Which of the following is the characteristic of a pit?

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Q. Which of the following form of corrosion is more destructive and insidious in nature?

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Q. Which of the following are the reasons that make it difficult to detect pits?

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Q. Which of the following metal is highly prone to pitting corrosion?

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Q. What is the usual direction for the growth of pits?

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Q. Pitting usually requires an incubation period ranges from months to years.

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Q. Which of the following corrosion form is considered as the intermediate stage between uniform corrosion and complete corrosion resistance?

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Q. Which of the following corrosion form is/are autocatalytic in nature?

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Q. Which of the following statement is correct regarding pitting corrosion?

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Q. Which of the following is/are the difference between the crevice and pitting corrosion?

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Q. Which of the following ions have a high tendency to pitting corrosion?

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Q. Which of the following ions, that can reduce pitting corrosion?

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Q. Which of the following corrosion test is most reliable to know the extent of pitting corrosion?

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Q. Which of the following is/are more reactive in intergranular corrosion?

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Q. What is Intergranular corrosion?

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Q. Which of the following is/are the causes of intergranular corrosion?

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