NEETS Module 01 Assignment 2: Batteries – Answers

(Last Updated On: February 6, 2020)

Below are the answers key for the Textbook Assignment: Chapter 2, “Batteries “ from the Module 1 — Introduction to Matter, Energy, and Direct Current in Navy Electricity and Electronics Training Series (NEETS) . Make sure to familiarize each and every questions to increase the chance of passing the ECE Board Exam.

1. B. To change chemical energy to electrical energy

2. A. Electrodes, electrolyte, container

3. C. solution acting upon the electrode

4. D. mounting for the electrode

5. A. negative electrode

6. B. positive electrode

7. D. Electrochemical action

8. A. The secondary cell can be recharged by passing current through it in the proper direction

9. C. The circuit resistance and the internal resistance of the cell

10. B. Increasing the size of the electrodes

11. C. A positive charge caused by a loss of electrons

12. B. A negative charge caused by an excess of electrons

13. A. The material of the cathode combines with the negative ions to form a new substance.

14. D. Each of the above

15. B. To supply a return path for current

16. D. The secondary cell

17. C. Lead peroxide, sponge lead, sulfuric acid, and water

18. C. Connecting the negative terminal of a voltage source to the cathode of the cell and the positive terminal of the voltage source to the anode of the cell

19. A. A, C, E, H

20. D. B, D, F, G

21. A. Fully charged

22. D. Increases internal resistance, thereby decreasing the output voltage

23. A. Venting the cell

24. A. Shelf life is reduced

25. C. Paste

26. B. Zinc container

27. D. In a refrigerated space

28. C. Both A and B above

29. B. It has a very stable output voltage

30. B. Connecting the anode and cathode together without a load

31. D. All the above

32. A. Alkaline cell

33. A. Power requirement

34. C. Lithium organic

35. D. All of the above

36. D. Emergency equipment batteries

37. B. Silver-cadmium

38. A. One

39. B. Parallel

40. B. (a) 1.5 volts (b) 5/8 ampere

41. A. Series

42. C. (a) 7.5 volts (b) 1/8 ampere

43. D

44. C. Series-parallel

45. C. (a) 9 volts (b) 1/4 ampere

46. B. Check the technical manual for information on the specific type of battery

47. B. Enough so the float will rise without entering the suction bulb

48. C. Fresh water

49. D. Distilled water

50. A. Terminals should be electrically connected together before transporting a battery

51. D. Flush with fresh water

52. B. 200 hr

53. A. 15 amperes

54. C. Normal

55. D. Used after electrolyte is added to a dry-shipped battery

56. B. Used periodically as part of a maintenance routine

57. C. Used to keep a battery at full charge while the battery is idle

58. A. Used in emergency only

59. D. Decrease the charging rate

60. A. Steady gassing