4.a. Which of the following maintenance practices should be carried out most frequently on motive-power batteries? A. Replacing cable insulation B. Replacing the vent caps C. Checking the specific gravity of the electrolyte D. Checking the electrolyte level 4.b. During the formation of a lead-acid battery, which of the following takes place? A. The active materials in the negative plate are converted to lead dioxide. B. Lead sponge in the negative plate is converted to lead sulfate. C. Lead sulfate in the positive plate is converted to lead dioxide. D. The active materials in the positive plate are converted to lead sulfate

Introductory Circuit Analysis (13th Edition)
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4.a. Which of the following maintenance practices should be carried out most frequently on motive-power
batteries?
A. Replacing cable insulation
B. Replacing the vent caps
C. Checking the specific gravity of the electrolyte
D. Checking the electrolyte level
4.b. During the formation of a lead-acid battery, which of the following takes place?
A. The active materials in the negative plate are converted to lead dioxide.
B. Lead sponge in the negative plate is converted to lead sulfate.
C. Lead sulfate in the positive plate is converted to lead dioxide.
D. The active materials in the positive plate are converted to lead sulfate.

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