Question 543Electricity/Electronics - Assistant Engineer70% to pass
What could prevent a lead-acid battery from accepting a full charge?
AI Explanation
The correct answer is C) Leaving the battery in a discharged condition for a great length of time.
When a lead-acid battery is left in a discharged state for an extended period, the lead sulfate that forms on the plates can harden and crystallize. This can prevent the battery from accepting a full charge, even when connected to a charger. The hardened lead sulfate makes it difficult for the chemical reactions to fully reverse during the charging process.
The other options are incorrect because: A) Reversing the charging current can damage the battery, B) Adding distilled water is a normal maintenance practice, and D) Coating the terminals is recommended to prevent corrosion, but does not directly impact the battery's ability to accept a full charge.
Related Questions
#541 What condition associated with a lead-acid battery cell can cause the plates to partially short-out and cause the cell to fail to hold a charge? #542 As the electrolyte level in the cells of a lead-acid battery evaporates over time, what will tend to happen to the specific gravity of the electrolyte in the cells as the level drops due to evaporation? #544 When troubleshooting a lead-acid storage battery, what is the best method for detecting a weak or dead cell? #545 To determine the state of charge of a nickel-cadmium wet cell storage battery during charging and discharging, what is the most reliable method? #546 If a digital multimeter set up to measure AC volts reads slightly above 'zero' when its leads are disconnected, what is this a result of?