Q. Which of the following law is used to derive the corrosion rate expression?

View solution

Q. Which following expression is used to find the corrosion rate from current density of a corroding specimen?

View solution

Q. Rate of oxidation is equals to the rate of reduction in corrosion.

View solution

Q. Iron is corroding at a current density of 1.69*10⁻⁴ amp/cm². What would be the corrosion rate in MDD?

View solution

Q. Iron is corroding at a current density of 1.69*10⁻⁴ amp/cm². What would be the corrosion rate in MPY?

View solution

Q. _____ is used to measure the extent of uniform corrosion.

View solution

Q. Corrosion rate of aluminum is _________ when compared with corrosion of mild steel in open oxygenated atmosphere.

View solution

Q. ___________ will occur, if current pass from an electrode to electrolyte.

View solution

Q. Oxidizing impurities in electrolyte increases the corrosion rate.

View solution

Q. What are the uses of corrosion rate estimation of materials in daily life?

View solution

Q. Which of the following products are obtained when a zinc metal is dipped in dilute HCl solution?

View solution

Q. Which of the following reactions occurs when iron is immersed in (oxygenated) sea water?

View solution

Q. Which of the following is more stable form of iron in an oxygenated solution?

View solution

Q. Which of the following are the types of chemical reactions?

View solution

Q. More than one anodic and cathodic reactions are possible in corrosion.

View solution

Q. Oxygenated acids are more corrosive than oxygen-free acids.

View solution

Q. Which of the following parameter of electrolyte decreases the corrosion rate?

View solution

Q. Which of the following are the types of polarization?

View solution

Q. Concentration polarization is considered in both anodic and cathodic reactions.

View solution

Q. Which of the following polarization will be influenced by electrolytic agitation?

View solution