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26403-11 Standby Emergency Systems

1. The AC generator consists of a rotor and a(n) ________.

Question 1 of 25

2. Which of the following are defined by the NEC® as those systems intended to protect public or private facilities or property where life safety does not depend on the performance of the system?

Question 2 of 25

3. NEC Article 518 contains ________.

Question 3 of 25

4. For every 15° above 77°, the life of a lead-acid battery is ________.

Question 4 of 25

5. NEC Article 480 contains ________.

Question 5 of 25

6. A storage battery must supply at least what percentage of the system voltage for the total load of circuits supplying legally required standby power?

Question 6 of 25

7. The most common method of cooling standby generator sets is ________.

Question 7 of 25

8. The nominal open circuit voltage of a lead-acid cell is _____.

Question 8 of 25

9. Which of the following is a requirement for generator sets used in legally required standby systems?

Question 9 of 25

10. Which type of engine-driven AC generator is commonly used as a standby system because they have a longer life and require less maintenance?

Question 10 of 25

11. Battery starter systems used with generator sets are usually ________.

Question 11 of 25

12. In lower-power UPS applications, the double-conversion UPS typically requires a DC power supply how many times larger than the full-load rating of the UPS?

Question 12 of 25

13. Sizing of a generator set for a particular application is ________.

Question 13 of 25

14. Which of the following commercial loads can be fed from a regular circuit rather than an emergency circuit?

Question 14 of 25

15. Optional standby systems are covered in ________.

Question 15 of 25

16. Battery capacity can be determined by ________.

Question 16 of 25

17. In an AC generator, the field windings are energized by the ________.

Question 17 of 25

18. A single-conversion UPS system ________.

Question 18 of 25

19. Transfer switches are sized based on ________.

Question 19 of 25

20. Overcharging a lead-acid battery will ________.

Question 20 of 25

21. Do not run an engine generator set without a load for more than ________.

Question 21 of 25

22. Each patient bed location in a healthcare facility must be supplied by ________.

Question 22 of 25

23. When a lead-acid battery is being discharged ________.

Question 23 of 25

24. Systems installed to protect loads such as communications, ventilation, or lighting systems that, when stopped, could create hazards or hamper rescue or fire-fighting operations are known as ________.

Question 24 of 25

25. An electronically controlled, solid-state power control system designed as an alternate source to provide regulated AC power to critical loads if the normal power system fails is commonly known as a(n) ________.

Question 25 of 25


 

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