Aircraft basic electrical system

What are the functions of an aircraft electrical system?

• Generate electrical power

• Regulate electrical power

• Distribute electrical power

• All the above

Aircraft electrical power sources are classfied into two groups, they are :

• Battery and transformer

• Inverter and transformer

• Generator and Alternator

• Battery and Generator

The capacity of an aircraft battery is measured in:

• Ampered - minutes

• Ampered - hours

• Ampered - days

• Voltage - hours

What does a battery provide?

• Alternate current

• Direct current

• Regulate current

• All the above

AC generator normally generates...

• 115 vac, 415hz, 3 phases

• 120 vac, 400hz, 3 phases

• 115 vac, 400hz, 3 phases

• 115 vac, 420hz, 3phases