Q. Which of the following type of zirconium is used in an atomic-energy application?

View solution

Q. Which of the following is/are the different classes of non-metallics?

View solution

Q. Which of the following type of materials possess excellent corrosion and high-temperature resistance?

View solution

Q. Boiling seawater is less corrosive than that of hot seawater.

View solution

Q. Which of the following belongs to the alteration of the environment to minimize corrosion?

View solution

Q. Which of the following is/are the functions of magic devices or water-conditioning gadgets?

View solution

Q. Since corrosion is a penetrating action, it is necessary to make allowances for the reduction in thickness in designing pipes and tanks.

View solution

Q. What should be the approximate thickness of a wall for better performance if the corrosion rate of that wall is estimated as 1/8 inches in 1 year?

View solution

Q. Which of the following is/are the design rules for corrosion prevention?

View solution

Q. Which of the following is the design rule to reduce erosion-corrosion?

View solution

Q. Which of the following is not a design rule for corrosion prevention?

View solution

Q. Uneven temperature distribution leads to higher corrosion rates and may result in stress-corrosion cracking failure.

View solution

Q. Which of the following is/are included in the general term avoid heterogeneity?

View solution

Q. An inhibitor is a chemical substance that added in small concentrations to an environment, to decrease the corrosion rate.

View solution

Q. Which of the following is/are the types of inhibitors?

View solution

Q. Which of the following is an example of adsorption-type inhibitors?

View solution

Q. Which of the following inhibitors are effective in acid solutions?

View solution

Q. Which of the following is/are the examples of Hydrogen-evolution poisons?

View solution

Q. Which of the following is/are the examples of scavengers?

View solution

Q. Oxidizers such as chromates, nitrates, and ferric salts inhibit the corrosion of metal and alloys that demonstrate active-passive transition.

View solution