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- Third Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q536 - Electrical, Electronic, & Control Engineering
86. Which of the substances listed should be applied to battery terminals to help prevent corrosion?
Petroleum jelly prevents corrosion by forming a moisture-resistant coating that does not react with battery terminals. Corrosion results from moisture and acid reacting with the metal, and a protective coating like petroleum jelly blocks this reaction. Other options are not standard protective coatings for battery terminals.
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