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Which of the following is/are the preventive measures of fretting corrosion?

Which of the following is/are the preventive measures of fretting corrosion? Correct Answer Lubricate with low-viscosity, high-tenacity oil, increasing surface hardness by shot-peening and use gaskets to absorb vibrations

Preventive measures to minimize fretting corrosioi. Lubricate with low-viscosity, high-tenacity oil, and greases ii. Increasing surface hardness by shot-peening or cold working iii. Use gaskets to absorb vibrations and exclude oxygen at bearing surfaces iv. Increase the load to decrease slip between two metals.

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