Air Tech - Electrical Systems

A modern light aircraft has a ____ electrical system.

• B.B.C

• B.M.W

• A.C

• D.C

Electrical power is produced by the _____ when the engine is running and by the _____ when it is not running

• alternator, generator

• battery, alternator

• generator, alternator

• alternator, battery

Current runs through wires and the _______ to the unit that needs the power. Afterwards it runs to _______ through a _______.

• starter motor, alternator, battery

• ground wire, the bus bar, battery

• bus bar, ground, ground wire

• generator, battery, ground wire

What can the aircraft's battery as be known as?

• alternator

• accumulator

• generator

• bus bar

What is the length of time a battery can last based off?

• ampere-hours

• voltage

• amp rating

• resistance-hours

A battery with an ampere hour rating of 600 will last how long when running 10 amps an hour?

• 10hr

• 60hr

• 16hr

• 160hr

A Nicad battery is smaller, lighter and more efficient than a lead-acid battery.

• true

• false

What is the purpose of the aircraft accumulator? Choose all that apply

• To store back up emergency electricity

• To provide a continuous supply of electricity to the magnetos

• To provide an initial electrical power source for the starter motor

• To continue to charge to the alternator throughout flight

What is the alternator run off?

• The battery

• The engine

• The magnetos

• The camshaft

What is a GPU?

• ground proximity unit

• ground power unit

• ground production undercarriage

• general power undercarriage