Q. Which of the following is/are the corrosion prevention methods in organic acids?

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Q. The application of electrochemical protection methods in organic acids is restricted due to low electrical conductivity.

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Q. What is meant by caustic embrittlement?

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Q. Which of the following statements is/are correct regarding caustic embrittlement?

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Q. Which of the following is/are the preventions of caustic embrittlement?

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Q. Which of the following common alkalies that results in stress-corrosion cracking of steel?

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Q. Which of the following metal is suitable under all conditions of concentration and temperature in caustic soda?

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Q. Aluminum is a very poor resistant material for handling caustic environments and rapidly attacked even by dilute solutions.

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Q. Which of the following metal results in stress corrosion cracking in an ammoniacal solution?

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Q. Oxygen is the primary cause of cracking in ammoniacal solution rather than nitrogen.

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Q. Which of the following can be used to inhibit stress corrosion cracking in ammoniacal solutions?

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Q. Which of the following is/are used for ammoniacal solution applications?

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Q. Which of the following is/are the classifications of atmospheres regarding atmospheric corrosion?

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

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Q. Corrosion of steel on the seacoast is 400 to 500 times is more corrosive than in a desert area.

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Q. How many times that industrial corrosion is more corrosive than rural atmospheres?

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Q. Which of the following is/are the reasons for more corrosiveness of industrial atmosphere than rural atmosphere?

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Q. Which of the following alloying elements increase resistance of steel to atmospheric corrosion?

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Q. Which of the following metals are widely used for atmospheric applications?

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Q. Which of the following alloys is also called as weathering steels?

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