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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Q. Which of the following characteristics of active-passive metal will acquire optimize crevice corrosion resistance?

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Q. Which of the following corrosion testing describe the test for crevice corrosion?

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Q. The incubation period is the amount of time required to initiate crevice corrosion on a corrosive site.

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Q. The crevice corrosion index is an index is to assist the selection of materials for construction.

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Q. Which of the following are the methods and procedures to minimize crevice corrosion?

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Q. Which of the following is a non-absorbent gasket?

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Q. Which of the following is also known as under film corrosion?

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Q. Which of the following is/are the effects of filiform corrosion?

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Q. Which of the following industry has major concern on filiform corrosion?

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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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