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26403-11 Standby Emergency Systems

1. NEC Article 480 contains ________.

Question 1 of 25

2. 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 2 of 25

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

Question 3 of 25

4. 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 4 of 25

5. 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 5 of 25

6. NEC Article 518 contains ________.

Question 6 of 25

7. A single-conversion UPS system ________.

Question 7 of 25

8. 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 8 of 25

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

Question 9 of 25

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

Question 10 of 25

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

Question 11 of 25

12. Optional standby systems are covered in ________.

Question 12 of 25

13. Battery capacity can be determined by ________.

Question 13 of 25

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

Question 14 of 25

15. Overcharging a lead-acid battery will ________.

Question 15 of 25

16. 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 16 of 25

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

Question 17 of 25

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

Question 18 of 25

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

Question 19 of 25

20. 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 20 of 25

21. Transfer switches are sized based on ________.

Question 21 of 25

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

Question 22 of 25

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

Question 23 of 25

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

Question 24 of 25

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

Question 25 of 25


 

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