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.

View solution

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

View solution

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

View solution

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?

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. What is depicted in the given figure?

View solution

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

View solution

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

View solution

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

View solution

Q. What is depicted in the given figure?

View solution

Q. What is depicted in the given figure?

View solution

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

View solution

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

View solution

Q. Which of the following is depicted in the given mixed potential schematic?

View solution