Aircraft Electrical Systems Flashcards
What type of circuit breaker should not be used in aircraft?
Automatic reset type circuit breakers
When should a switch be derated from its nominal rating?
When used with high rush-in circuits, inductive circuits, and DC motors
Whereis the white position/ navigation light mounted?
On the tail, visible from the rear
What factors are considered when selecting wire size for electrical power?
Allowable power loss, permissible voltage drop, and current carrying ability
What color is the left wingtip position light?
Red
When do DC motors draw several times their rated current?
When starting
How long should bonding jumper wires be?
As short as practical
What hardware is used to make bonding or grounding connections to a structure of dissimilar material?
A washer of suitable material should be used so that corrosion will occur on the washer
What should be done to a conduit when fittings are not used?
It should be deburred to prevent wire insulation damage
What size electrical conduits should be used?
25% larger than the maximum diameter of the wire bundle
When is a circuit breaker designed to open?
When an overload or circuit fault exists
What controls the output voltage of an alternator?
A generator control unit
How many terminal lugs can be put on a single terminal strip in an aircraft?
Four
How can a particular wire in a bundle be identified?
By the identification code on the wire