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Electronic Mechanic Practice Test: Cells and Batteries
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Electronic Mechanic Practice Test: Cells and Batteries
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25 Questions

1. Which battery is made from non-toxic materials?
2. Which device is used to test the fully charged condition of a lead acid battery cell?
3. Which battery is used for cellular phones?
4. What is the colour of positive electrode in fully charged lead acid battery?
5. Which method is adopted to charge a car battery with voltage rating of 2.3 V per cell?
6. What is the rated output voltage of a silver oxide cell?
7. What is the rated voltage of a single cell in lead acid battery?
8. What is the electrolyte level maintained above the top of the plates in lead acid battery cells?
9. Why the load testing is done on the lead- acid battery?
10. Which electrolyte is used in lead-acid battery?
11. What is the name of the process to maintain the recommended level of electrolyte in lead- acid battery cell?
12. Which material is used for negative terminal of alkaline manganese dioxide batteries?
13. What is the lowest voltage level of discharging the lead-acid battery?
14. What is the effect on a secondary cell supplying current to the load?
15. What is the specific gravity of concentrated sulphuric acid?
16. What is the total voltage of six 1.5 V cells, connected in series?
17. Which rechargeable cell is designed with conductive polymer?
18. What is the range of current rating of lead acid batteries used in automobiles?
19. Which energy is converted by the battery to produce electricity?
20. Which electrolyte is used in maintenance free lead acid batteries?
21. What is the percentage of sulphuric acid in electrolyte used for lead-acid batteries?
22. Which is the additional percentage of power delivered by the lithium Ion compared to NiMH battery?
23. How batteries are classified?
24. What is the size of a silver oxide cell?
25. What is the use of battery analyzers with rapid-test program?

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