Q. Which of the following inhibitors are effective in acid solutions?

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Q. Which of the following is/are the examples of Hydrogen-evolution poisons?

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Q. Which of the following is/are the examples of scavengers?

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Q. Oxidizers such as chromates, nitrates, and ferric salts inhibit the corrosion of metal and alloys that demonstrate active-passive transition.

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Q. Which of the following is/are the characteristics of the vapor phase inhibitor?

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Q. Which of the following phenomenon in which the inhibiting effect is sometimes greater than that would be achieved by either of the two or substances alone?

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Q. Which of the following is/are the limitations of inhibitors?

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Q. Which of the following inhibitor is used for aluminum in the hydrogen peroxide environment?

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Q. Which of the following inhibitor is used for steel in 80% pure sulfuric acid?

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Q. Which of the following inhibitor is used for steel in the water?

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Q. Which of the following phenomenon that occurs on metal surface during inhibition?

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Q. Which of the following is/are the common electrochemical reactions that occur during corrosion?

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Q. Cathodic protection is achieved by supplying electrons to the metal structure to be protected.

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Q. Which of the following cases in which the metal structure is protected?

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Q. Which of the following is/are the types of cathodic protection?

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Q. Which of the following terminal of the power supply should be connected to the metal to be protected?

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Q. Which of the following material is/are used as an impressed-currents anode?

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Q. Which of the following materials is/are used as backfill around the anode in impressed currents?

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Q. Which of the metallic structure will require more impressed current density for cathodic protection?

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Q. Which of the following reference electrode is used for cathodic-protection surveys?

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