21-09. ELECTRICS


Random 5 questions:
1. (Refer to figure 021-06)
What does the symbol 3 represent?

2. (Refer to figure 021-06)
The symbol 1 represents an logic gate.

3. What is the purpose of the GCB (Generator Circuit Breaker)?
4. Ohm’s law claims the following:
5. The reasons for disconnecting a constant speed drive (CSD) of an AC generator in flight are: 1) low oil pressure in the CSD
2) slight variation about the normal operating frequency
3) high oil temperature in the CSD
4) excessive variation of output voltage
The combination regrouping all the correct statements is:

All questions: 239

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