Aircraft Electrical Systems Flashcards
What may be used to determine the size of an unmarked wire?
wire gauge
What instruments are used to monitor electrical loads?
ammeter, voltmeter
What color is the left wingtip navigation/position light?
red
What three faults are associated with electrical system malfunctions?
over voltage, short, open
Why should an electrical system be checked before load increase?
ensure the power supply can handle the load to prevent failure
What factors are considered when selecting wire size for electrical power?
load and distance
Where is the white position/ navigation light mounted?
trailing edge of tail
What type of electrical items may cause short-time demand loads on an electrical system?
starter
When should a switch be derated from it’s nominal rating?
when needed for circuit protection
What type of circuit breaker should not be used in aircraft?
automatic reset
When do electric motors draw several times their rated current?
on start up
How long should bonding jumper wires be?
long enough to permit free movement on the component
What would cause an AC motor to run fast?
over voltage
What causes an AC motor to run slow?
hot, weak battery
During troubleshooting, when is a continuity check made?
when checking for an open
