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

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Q. A thin coating of metallic and inorganic materials can provide a satisfactory barrier between the metal and its environment.

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Q. Which of the following is/are the purposes of coatings?

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Q. Which of the following is/are the methods to apply metallic coatings?

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Q. What is the reason for the localized attack on the base metal due to the porosity of coatings?

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Q. Which of the following is/are the examples for metal-coated articles?

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Q. What is meant by electrodeposition?

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Q. Which of the following is/are the factors of electroplating that effects efficiency?

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Q. What is the general purpose of each coating in a three-layered coating of an automobile bumper?

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Q. What is meant flame spraying metallic coating?

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Q. Which of the following is/are the application of flame spraying?

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Q. What is meant by metal cladding?

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Q. Cladding is a great economical advantage in that the corrosion barrier as the expensive material is backed up by inexpensive material by minimizing corrosion.

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