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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Q. Which of the following is/are the typical sacrificial anodes?

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Q. Which of the following is an impressed current anode that is efficient in a marine environment?

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Q. Which of the following statements is/are correct about stray current?

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Q. Which of the following is/are the preventions of stray current effect in an underground channel?

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Q. Which of the corrosion prevention method is used for reducing the maintenance cost of highway and bridges?

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Q. Anodic protection is based on the formation of a protective film on metals by external applied anodic currents.

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Q. Which of the following metals can be protected using anodic protection?

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Q. A potentiostat is an electronic device that maintains a metal at a constant potential to a reference electrode.

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Q. Which of the following auxiliary cathode is used for anodic protection?

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Q. Which of the following reference electrode is used in anodic protection?

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Q. Which of the following is/are the advantages of anodic protection than cathodic protection?

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