Q. A standard surface condition is also desirable and necessary to facilitate comparison with other results.

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Q. Which of the following methods is/are used for the surface preparation of a specimen?

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Q. Which of the following is the formula to calculate the minimum testing time for a corrosion test?

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Q. Which of the following metals is/are subjected to increased attack in the presence of oxygen?

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Q. Which of the following metals are resistant to dissolved oxygen?

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Q. What is liquid-line corrosion?

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Q. Which of the following is/are the cleaning methods after the exposure of specimen?

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Q. The Corrodibility of the metal in a corrosion test may decrease or increase as a function of time.

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

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Q. Which of the following metals in which corrosion decreases with an increase in temperature in oxygenated corrosive solutions?

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Q. Which of the following standard expression is used to measure the corrosion rate of a metal?

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Q. Which of the following units are used in terms of penetration of pits on a metal?

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Q. Which of the following expression is used for electrochemical techniques to determine the corrosion penetration rate?

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Q. Calculate the corrosion penetration rate of iron that corroding at an electrochemical corrosion rate of 1 microampere/sq. centimeters?

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Q. Which of the following is/are the corrosion testing’s for stainless steels?

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Q. Which of the following method is the best approach to report the results of the pitting corrosion test?

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Q. Which of the following factors are considered to evaluate the paint test?

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Q. The polymer is a large and heavy molecular chain formed from the interaction of many monomeric units.

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Q. Which of the following is/are characteristics of plastics?

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Q. Which of the following statement is/are correct regarding elastomers?

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