Q. Which of the following electrochemical methods is/are used to determine the corrosion rate?

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Q. The applied current cathodic polarization curve of a corroding metal is non-linear at low currents, but it becomes linear at higher currents on a semilogarithmic plot.

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Q. Which of the following is/are the advantages of Tafel extrapolation?

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Q. Which of the following is/are the limitations of Tafel extrapolation?

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Q. What is the range of current density around corrosion potential that will observe that the applied current density is a linear function of the electrode potential?

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Q. What is the formula to determine the slope of linear polarization curve?

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Q. Which of the following industries uses Tafel extrapolation or linear polarization to measure low corrosion rates?

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Q. Which of the following is/are correct regarding the given figure?

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Q. What are the cathodic and anodic reactions respectively of a given Cu-Zn system?

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Q. What is the overall standard cell potential of a given Cu-Fe system?

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Q. What is the Nernst equation for chemical reaction nA + mB ==> pC + qD at temperature T?

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Q. Which of the following type of reaction is shown in the given figure?

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Q. What is depicted in the given figure?

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Q. Which of the following zone of given Pourbaix diagram indicates the immune zone?

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Q. Which of the following zone(s) of given Pourbaix diagrams indicate a passive zone?

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Q. Which of the following metal shows the highest exchange current density for hydrogen-hydrogen ion as per given figure?

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Q. What is depicted in the given figure?

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Q. What is depicted in the given figure?

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Q. Which of the following is/are correct regarding the given figure?

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Q. Which of the following type(s) of polarization is depicted in the given figure?

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