Q. _______ is a chemical substance which reduces the corrosion rate.

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Q. Which of the following are the destructive effects of corrosion?

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Q. Preventive action on corrosion is necessary and economical.

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Q. Which of the following corrosion damage is more emphasized in the construction material of restaurants?

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Q. Etchants react with metallic surface and get corroded in order to use for the metallurgical investigation.

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Q. Main form of ceramic degradation is _________

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Q. Which of the following are included in maintenance and operating costs?

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Q. The effect of acid rains on Taj Mahal is also a corrosion.

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Q. Portable water pipelines of lead are replaced by various types of steels, due to _____

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Q. Which of the following tragediesthat occurred due to corrosion?

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Q. Thermal gradients across the metal wall causes Stress cracking corrosion.

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Q. What is meant by MPY in corrosion?

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Q. Which of the following expression is used to calculate MPY?

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Q. MDD in corrosion is abbreviated as ______

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Q. MPY is used to measure weight loss per unit area.

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Q. _____ is/are used to measure the extent of pitting corrosion.

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

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

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

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

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