Question 544Electricity/Electronics - Assistant Engineer70% to pass
When troubleshooting a lead-acid storage battery, what is the best method for detecting a weak or dead cell?
AI Explanation
The correct answer is A) comparing the specific gravity of the electrolyte in each cell.
When troubleshooting a lead-acid storage battery, measuring the specific gravity of the electrolyte in each cell is the best method for detecting a weak or dead cell. This is because the specific gravity of the electrolyte is directly related to the state of charge of the cell. A lower specific gravity in one cell compared to the others indicates that the cell is weaker or potentially dead. The other options, such as measuring open-circuit voltage or visually inspecting the electrolyte levels, are not as reliable for detecting a weak cell.
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