Selftest Answers

For the preceding self-test on The Battery, the following best complete the sentence or answer the question. In cases where you may disagree with the choice - or may simply want to reinforce your understanding -please review the appropriate workbook page or pages noted.

1 . "B" - The number and size of the plates determine current capability. (Page 2.)

2. "A" - When immersed in electrolyte, a cell produces about 2.1 volts (regardless of the number of size of plates). (Page 2.)

3. "B" - In a fully discharged battery, both plates are covered with lead sulfate and the electrolyte is diluted to mostly water. (Page

4. "D" - The Reserve Capacity rating is the length of time, in minutes, a fully charged battery at 80'F (26.70C) can be discharged at 25 amps while maintaining a voltage of at least 1.75 volts per cell. (Page 5.)

5. "C" - Plates should alternate dark (+) and light It all are light, severe undercharging is indicated. (Page 9.)

6. "D" - Check for battery drain using an ammeter between the battery negative terminal and ground cable connector. (Page 10.)

9. "C" - In a battery capacity or heavy-load test, if the voltmeter reading falls below 9.6 volts, the battery is either discharged or defective. (Page 13.)

10. "B" - Slow charging is preferred. (Page 15.)

7. "B" - Specific gravity readings around 1.190 indicate that sulfation is about to begin. The battery is about 50% charged, and requires charging. (Page 12.)

8. "C" - In a battery load test, maintain the load for no more than 15 seconds and note the voltmeter reading. (Page 13.)

DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

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