Petroleum jelly is applied to the electrical connections to the lead-acid battery___________?
Correct answer: D. prevent corrosion
- A. prevent local heating
- B. prevent short-circuiting
- C. reduce path resistance
- D. prevent corrosion
Explanation
Petroleum jelly seals battery terminals from moisture and corrosive vapours, reducing oxidation and corrosion. It is not applied primarily to reduce electrical resistance or prevent short circuits.
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