Airframe Electrical System Review Questions with Answers Graded A+
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Module
Airframe Electrical System
Institution
Airframe Electrical System
Airframe Electrical System Review Questions with Answers Graded A+
The insulation on aircraft wire is designed to withstand ___ volts. - Answers 600
____-gauge wire is the smallest size aluminum wire recommended for use in aircraft electrical circuits. - Answers Eight
The ____ ____ gauge is used...
Airframe Electrical System Review Questions with Answers Graded A+
The insulation on aircraft wire is designed to withstand ___ volts. - Answers 600
____-gauge wire is the smallest size aluminum wire recommended for use in aircraft electrical circuits. -
Answers Eight
The ____ ____ gauge is used to indicate the size of electrical wire. - Answers Common wire
Wires must have an identification mark every ____ to ____ inches. - Answers 12, 15
When electrical wires are routed parallel to lines carrying oxygen or any type of liquid, the wiring should
at least ____ inches ____ the fluid lines. - Answers 6, above
When electrical wiring is run through conduit, the conduit should be approximately ____% larger than
the diameter of the wire bundle. - Answers 25
Encasing a wire in a braided metal jacket is called ____ the wire. - Answers Shielding
What color insulated terminal would be used on each of these wire sizes:
a. 20-gauge ____
b. 10-gauge ____
c. 14-gauge ____ - Answers Red, yellow, blue
The strength of a properly crimped wire terminal will be ____ the strength of the wire. - Answers Equal
to
No more than ____ wire terminals may be connected to a single stud on a terminal strip. - Answers Four
Bonding jumpers should have a resistance of no more than ____ ohms. - Answers 3 milliohms (.0003)
A ____ cable consists of a central conductor surrounded by an insulator and a second conductor. -
Answers Co axial
The ____ connector is probably the most widely used terminal on coaxial cable attached to aircraft radio
antennas. - Answers BNC
In any generator, current will flow whenever there is ____ motion between the wire coil and yhe
magnetic field. - Answers Relative
The strength of the induced current depends on the ____ of the magnetic field and the ____ at which
the lines of flux are cut. - Answers Strength, speed
What does each of the three digits represent in the left hand rule for generator
A. First finger
, B. Middle finger
C. Thumb - Answers A. Direction of magnetic field (north/south)
B. Direction of induced EMF (voltage)
C. Direction conductor moves through the magnetic field
The coil of wire in a generator where the current is induced is called the ____. - Answers Armature
The device that converts the AC current produced in the armature into DC current is called the ____. -
Answers Commutator
Current is transferred from the rotating commutator to stationary ____. - Answers Brushes
The principle parts of small aircraft DC genre for are the: a,b,c,d - Answers A.field frame
B. Rotating armature
C. Commutator
D. Brush assembly
The field frame of a generator has two primary functions. They are to: - Answers A. Complete the
magnetic circuit
B. Provide mechanical support for the other parts
The magnetizing force inside a generator is produced by an electromagnet called a ____ coil and a core
called the ____ ____ or ____. - Answers Field; field poles , shoes
Each brush is connected to the external circuit by a flexible braided copper ____. - Answers Pigtail
Brushes are made of high grade ____ to prevent undue wear on the ____ yet still have a reasonable
service life. - Answers Carbon, commutator
Generators may be constructed in one of three ways. The may be: - Answers Series, shunt, compound
Compound wound generators combine features of both series and shunt wound generators and may be
one of three types: - Answers Flat, under, or over compounded
The distortion of the magnetic field between the generator poles caused by the magnetic field created
by the armature is called ____ ____. - Answers Armature reaction
The position where the plane of two opposite coils is perpendicular to the magnetic field of the
generator is called the ____ plane. - Answers Neutral
Some generators use ____ to counter the effect of armature reaction. - Answers Interpoles
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