N2 Electrical Trade Theory: Module 5 – Batteries
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Question 1 of 19
1. Question
Q1 – Name the THREE basic components of any battery.
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Question 2 of 19
2. Question
Q2 – With the aid of a simple sketch, explain the construction of a gel battery.
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Question 3 of 19
3. Question
Q3 – What is the maximum charging voltage of get batteries?
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Question 4 of 19
4. Question
Q4 – What is the function of a battery?
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Question 5 of 19
5. Question
Q5 – Briefly explain float charging with reference to gel batteries. Float charging (standby service)
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Question 6 of 19
6. Question
Q6 – Name THREE aspects to consider when caring for a gel battery
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Question 7 of 19
7. Question
Q7 – Name THREE applications of gel batteries.
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Question 8 of 19
8. Question
Q8 – Name THREE aspects to consider when caring and maintaining lead acid batteries.
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Question 9 of 19
9. Question
Q9 – What is the main difference between a gel battery and a lead-acid battery?
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Question 10 of 19
10. Question
Q10 – Name THREE advantages and disadvantages of lead-acid batteries.
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Question 11 of 19
11. Question
Q11 – Briefly explain your understanding of amp-hour.
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Question 12 of 19
12. Question
Q12 – A battery has a 20 hour ampere-hour rating. What does this refer to?
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Question 13 of 19
13. Question
Q13 – Explain the following tests with regard to lead-acid batteries: open-circuit voltage test and load test
a) Open-circuit voltage test
b) Load test
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Question 14 of 19
14. Question
Q14 – What is a hydrometer and what is it used for?
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Question 15 of 19
15. Question
Q15 – Name the material of which the two electrodes of a lithium- ion battery is made.
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Question 16 of 19
16. Question
Q16 – With the aid of a diagram, explain the charging cycle of the lithium- ion battery.
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Question 17 of 19
17. Question
Q17 – Care and maintenance of a lithium -ion battery is important to improve its lifespan. Describe the care and maintenance of lithium- ion batteries.
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Question 18 of 19
18. Question
Q18 – What is the function of the separator in the lithium -ion battery?
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Question 19 of 19
19. Question
Q19 – List THREE advantages and THREE disadvantages of lithium-ion batteries.
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