Q. Which of the following is/are true regarding underground structures?

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Q. Which of the following type of corrosion is pre-dominate in underground corrosion?

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Q. Which of the following areas of aircrafts face severe corrosion problems?

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Q. Which of the following materials is/are used for blast nozzles in aerospace?

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Q. Which of the following is/are the prime considerations in space vehicles and aircraft?

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Q. Rusting of high-strength steel due to resident water can cause stress-corrosion and hydrogen embrittlement.

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Q. Which of the following is/are the primary materials regarding the construction of aircraft?

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Q. Which of the following corrosion protective systems is/are included in aircraft industries?

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Q. Which of the following is/are the general areas of the petroleum industry that faces corrosion problems?

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Q. Which of the following impurities is often present in oil and gas wells?

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Q. How the corrosion characteristics of a well can be determined?

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Q. Which of the following is/are the neutralizers added to well to minimize corrosion?

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Q. Which of the following metals is/are used for petroleum well valves and wellhead parts?

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Q. Which of the following prevention methods that are usually employed on a beam of offshore drilling?

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Q. Which of the following inhibitor has been effective for internal corrosion domestic fuel oil tanks?

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Q. Which of the following impurities that causes corrosion difficulties in refinery operations?

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Q. Water acts as an electrolyte and causes corrosion as it tends to hydrolyze chlorides and other materials to form an acidic environment.

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Q. Which of the following is/are the desalting methods in the petroleum industry?

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Q. Ammonia is used to control the pH of the water and to reduce chloride acidity in the process stream.

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Q. Which of the chemical is/are added for the removal of hydrogen sulfide and neutralization?

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