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

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Q. What is the standard electrode potential of Fe⁺²/Fe?

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Q. Pure metals are more corrosion resistant than commercial materials.

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Q. Which of the following are the types of metallic coatings that prevent corrosion?

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Q. What is the other name of galvanic corrosion?

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Q. Corrosion of less corrosion-resistant metal is usually increased and the attack of the more corrosion-resistant is decreased in galvanic corrosion.

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Q. Which of the following is the driving force in galvanic corrosion?

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Q. Which of the following will act as cathode and anode respectively in a dry-cell battery?

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Q. Which of the following is the primary characteristic of an electrolyte to form corrosion?

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Q. What are the conditions to measure the standard reduction potential of metals against SHE?

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Q. What is the standard reduction potential value of gold in the EMF series?

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Q. What is the standard reduction potential value of potassium in the EMF series?

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Q. What is the abbreviation of EMF?

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Q. Which of the following electrolyte is used for the preparation of a general galvanic series?

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Q. Which of the following metal combination has a minimum galvanic effect?

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Q. What does the square bracket [] in the galvanic series indicates?

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Q. The potential generated by two dissimilar metal combinations can change with time.

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Q. Which of the following is the most corrosion-resistant metal at room temperature?

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Q. The reason for the noble nature of titanium is that it cathodically polarizes readily in seawater.

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Q. Corrosion is greater near the seashore than in a dry rural atmosphere.

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