Engine : Electricity - 226/1386
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| Which of the following statements concerning nickel-cadmium batteries is true? |
| A) Nickel-cadmium batteries should only be discharged 50% before recharging. |
| B) When mixing electrolyte always add acid to the water. |
| C) The state of charge cannot be determined by the specific gravity values. |
| D) The electrolyte of an idle nickel-cadmium battery must be replaced monthly to maintain battery condition. |
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