Which of the processes listed occurs during the charging of a lead-acid storage battery? A. Negative plates change to lead peroxide. B. Positive plates change to lead peroxide. C. Both plates change to lead peroxide. D. Both plates change to lead sulfate.

Which of the processes listed occurs during the charging of a lead-acid storage battery? A. Negative plates change to lead peroxide. B. Positive plates change to lead peroxide. C. Both plates change to lead peroxide. D. Both plates change to lead sulfate.
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Answer: B
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Which of the problems listed will occur if a lead-acid battery is allowed to remain in a discharged condition for a long period of time? A. The battery may be unable to accept a full charge. B. The electrolyte will change to lead sulfate. C. The concentrated sulfuric acid will attack the lead peroxide plates. D. The separators will harden.

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When charging lead-acid batteries, the charging rate should be reduced as the battery nears its full charge to ____________. A. prevent damaging battery plates B. allow equalization of cell voltages C. reduce lead sulfate deposits D. increase lead peroxide formation

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The illustrated lead acid battery is about to be placed in service. The positive plate labeled 'D' is made of_______. EL-0031 A. sponge lead (Pb) B. lead peroxide (PbO2) C. lead sulfate (PbSO4) D. a depolarizing mix

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During the charging process of storage batteries, the charging rooms should be well ventilated because __________. A. without ventilation excessive gassing will occur B. highly poisonous gases are released C. highly explosive gases will otherwise accumulate D. without ventilation the battery will not take a full charge

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Which of the listed ranges represents specific gravity corrected for temperature for the electrolyte of a fully charged portable lead-acid battery? A. 1.100 to 1.150 B. 1.180 to 1.200 C. 1.280 to 1.300 D. 1.750 to 2.000

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A slow continual loss of electrolyte level from one cell of a storage battery could be due to _______________. A. a cracked casing B. too low a charging rate C. the specific gravity being higher than normal D. one filler cap installed too tightly

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During charging, the specific gravity of the electrolyte of a lead acid battery _____.

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Last Answer : Answer: D

When mixing electrolyte for a lead-acid storage battery, you should pour the ___________. A. distilled water into the acid in a zinc-plated container B. distilled water into the acid in a glass container C. acid into the distilled water in a zinc-plated container D. acid into distilled water in a glass container

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Last Answer : Answer: D

The state of charge of a lead acid storage battery is best indicated by the _____________. A. testing of the individual cell voltages B. ampere hour capacity of the battery C. specific gravity of the electrolyte D. total cell voltages

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Last Answer : Answer: C

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Which of the following conditions indicates that a lead-acid battery is being charged too rapidly? A. Sparks occurring at the positive terminal. B. Unusually high electrolyte specific gravity. C. Low plate potentials being developed. D. Excessively high temperatures and gassing rates.

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Last Answer : Answer: D

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Explain discharging and charging process of lead acid storage cell.

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