Q. How many times that industrial corrosion is more corrosive than rural atmospheres?

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Q. Which of the following is/are the reasons for more corrosiveness of industrial atmosphere than rural atmosphere?

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Q. Which of the following alloying elements increase resistance of steel to atmospheric corrosion?

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Q. Which of the following metals are widely used for atmospheric applications?

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Q. Which of the following alloys is also called as weathering steels?

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Q. Sheltered corrosion is the type of corrosion where moisture condenses or accumulates and does not dry out for long periods of time.

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Q. Which of the following phenomenon that results in rapid corrosion on the inside of large storage tanks occurs when moisture-laden salt air is drawn in?

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

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Q. Which of the following is/are the factors that affect corrosion in seawater?

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Q. Which of the following regions of the seacoast environment shows the effect of the pitting of metals and alloys?

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Q. Corrosion by seawater at greater depth is usually decreased because of the lower temperature.

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Q. Which of the following impurities contaminates the brackish water due to tidal action in rivers and bays near the ocean?

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Q. Which of the following metals have high resistance to crevices in quiet seawater?

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Q. Which of the following alloy has high cavitation resistance that usually used for ship propellers and pumps impellers in seawater?

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Q. Which of the following factors that affect the corrosivity in freshwater?

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Q. Which of the following type of water is more corrosive?

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Q. Which of the following metals are widely used for handing freshwater?

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Q. Which of the following corrosion defects that affect the reliability of tubing?

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Q. Corrosion decreases with an increase in the purity of water.

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Q. Which of the following types of corrosion has been seen in stainless steels in high purity water containing oxygen?

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