Engine : Electricity - 232/1386
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| When troubleshooting a lead-acid storage battery, what is the best method for detecting a weak or dead cell? |
| A) comparing the specific gravity of the electrolyte in each cell |
| B) taking each cell's temperature with a calibrated mercury thermometer |
| C) visually inspecting the electrolyte levels of each cell |
| D) taking an open circuit voltage test of individual cells |
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