AVIATION ELECTRONICS TECHNICIAN EXAM NEWEST 2025 ACTUAL EXAM COMPLETE 100 QUESTIONS
AND CORRECT DETAILED ANSWERS
frequency bands that have the most prominent feature of ionospheric reflection - (ANSWER)VHF and
UHF
Electrical energy used by electronic communication travels at what rate - (ANSWER)The speed of light
What is the frequency range of the AN/ARC-197 VHF transceiver - (ANSWER)116.000 to 151.975 Mhz
What frequency bands were originally used for radiotelegraphy - (ANSWER)VLF and LF
What component generates the roll call for the communication system - (ANSWER)SLU
The exhale word between the SLU component(s) - (ANSWER)GPDC only
what is bit 36 of the 36-bit format used for by the ICCG - (ANSWER)120 kHz
Which ICCG component generates the second part of roll call 1 - (ANSWER)IRC
What are the major to receiver disadvantages of radiotelegraph - (ANSWER)Slow speed and the need
for experienced operators at both ends
Which crew panel processes the first part of roll call 9 - (ANSWER)TACCO
What will the S illumination on panels indicate radio system - (ANSWER)System secure mode selected
Where are the data and clock pulses separated in the SLU - (ANSWER)Inhale word register
,What component activates the SATCOM relay panel to the SATCOM mode of operation -
(ANSWER)UHF-1 control box
What switch on the C-9245/ARC-161 permits AHE transmission and reception - (ANSWER)MODE
Switch on the C-9245/ARC-161 to set the transmitter for high power output - (ANSWER)COND
Total number of stages of amplification used by a VHF transmitter to increase the output to 20 watts -
(ANSWER)Five
System used as a backup transmitter for the CASS system - (ANSWER)UHF-2
Operations provided by the AN/ARC-187 UHF communication system - (ANSWER)AM, FM, and FSK
Number of channels available for automatic tuning in the UHF transceivers - (ANSWER)7000
Componet that reduces the crosstalk between the VHF and UHF systems - (ANSWER)VHF bandpas
filter
Top mounts for the HF long-wire antennas - (ANSWER)Breakaway
The AN/ARC-161HF radio system automatically tunes how many channels - (ANSWER)280,000
When does the XMTR OFF indicator illuminate on the C-9245/ARC-161 - (ANSWER)Operating
frequency change less than 1 Mhz
Unit that connects the TTY system with the central computer - (ANSWER)Communications Interface
No.1
Selection made on the HSP to produce hard copy of computer data - (ANSWER)CMPTR
,Subdivisions of a degree of arc - (ANSWER)Minutes and seconds, or minutes end tenths of minutes
The arc of a great circle is the shortest distance between two points on a plane - (ANSWER)True
Pickets use the broadcast functions during roll call - (ANSWER)True
Security unit that provides encryption and decryption for all teletype data in the aircraft -
(ANSWER)TSEC/KW-7
Data links system's normal mode of operation - (ANSWER)LONG BROADCAST
How long will the LONG BROADCAST function transmit when selected - (ANSWER)Through a single set
of data
When does mutual inductance occur between inductors - (ANSWER)whenever the effect of one
inductor is aided by another inductor
Capacitance and inductance in a circuit are similar how - (ANSWER)both cause the storage of energy
Symbol used to denote the basic unit of measurement for inductance - (ANSWER)H
Electrostatic lines of force radiate from a charged particle along what type of lines - (ANSWER)Straight
Lines
Physical property similar to inductance - (ANSWER)Inertia
A waveform is a graphic plot of what quantities - (ANSWER)Amplitude versus time
Unit of measurement for inductance - (ANSWER)Henry
, Self-induced emf is also known as what force - (ANSWER)Counter electromotive force
Symbol for Inductance - (ANSWER)L
A capacitor is a device that stores energy in an - (ANSWER)electrostatic field
Normally, most coils have cores composed of - (ANSWER)air or soft iron
Fixed capacitors are classified by - (ANSWER)their dielectric materials
Unit measurement for frequency - (ANSWER)hertz
Alternating current - (ANSWER)a current that varies in amplitude and direction
Main difference between conductors, semiconductors, and insulators - (ANSWER)The physical state of
their mass
A book sitting on a shelf has what kind of energy - (ANSWER)Potential
The ability of a resistor to dissipate heat indicated by - (ANSWER)wattage rating
Specified reliability of the resistor - (ANSWER)0.01%
Subatomic particle that has negative charge and a small mass - (ANSWER)ElectronWhat layer do
neural crest cells develop from? - (ANSWER)Ectoderm
At what embryonic age does the dental lamina begin to develop? - (ANSWER)6 weeks
AND CORRECT DETAILED ANSWERS
frequency bands that have the most prominent feature of ionospheric reflection - (ANSWER)VHF and
UHF
Electrical energy used by electronic communication travels at what rate - (ANSWER)The speed of light
What is the frequency range of the AN/ARC-197 VHF transceiver - (ANSWER)116.000 to 151.975 Mhz
What frequency bands were originally used for radiotelegraphy - (ANSWER)VLF and LF
What component generates the roll call for the communication system - (ANSWER)SLU
The exhale word between the SLU component(s) - (ANSWER)GPDC only
what is bit 36 of the 36-bit format used for by the ICCG - (ANSWER)120 kHz
Which ICCG component generates the second part of roll call 1 - (ANSWER)IRC
What are the major to receiver disadvantages of radiotelegraph - (ANSWER)Slow speed and the need
for experienced operators at both ends
Which crew panel processes the first part of roll call 9 - (ANSWER)TACCO
What will the S illumination on panels indicate radio system - (ANSWER)System secure mode selected
Where are the data and clock pulses separated in the SLU - (ANSWER)Inhale word register
,What component activates the SATCOM relay panel to the SATCOM mode of operation -
(ANSWER)UHF-1 control box
What switch on the C-9245/ARC-161 permits AHE transmission and reception - (ANSWER)MODE
Switch on the C-9245/ARC-161 to set the transmitter for high power output - (ANSWER)COND
Total number of stages of amplification used by a VHF transmitter to increase the output to 20 watts -
(ANSWER)Five
System used as a backup transmitter for the CASS system - (ANSWER)UHF-2
Operations provided by the AN/ARC-187 UHF communication system - (ANSWER)AM, FM, and FSK
Number of channels available for automatic tuning in the UHF transceivers - (ANSWER)7000
Componet that reduces the crosstalk between the VHF and UHF systems - (ANSWER)VHF bandpas
filter
Top mounts for the HF long-wire antennas - (ANSWER)Breakaway
The AN/ARC-161HF radio system automatically tunes how many channels - (ANSWER)280,000
When does the XMTR OFF indicator illuminate on the C-9245/ARC-161 - (ANSWER)Operating
frequency change less than 1 Mhz
Unit that connects the TTY system with the central computer - (ANSWER)Communications Interface
No.1
Selection made on the HSP to produce hard copy of computer data - (ANSWER)CMPTR
,Subdivisions of a degree of arc - (ANSWER)Minutes and seconds, or minutes end tenths of minutes
The arc of a great circle is the shortest distance between two points on a plane - (ANSWER)True
Pickets use the broadcast functions during roll call - (ANSWER)True
Security unit that provides encryption and decryption for all teletype data in the aircraft -
(ANSWER)TSEC/KW-7
Data links system's normal mode of operation - (ANSWER)LONG BROADCAST
How long will the LONG BROADCAST function transmit when selected - (ANSWER)Through a single set
of data
When does mutual inductance occur between inductors - (ANSWER)whenever the effect of one
inductor is aided by another inductor
Capacitance and inductance in a circuit are similar how - (ANSWER)both cause the storage of energy
Symbol used to denote the basic unit of measurement for inductance - (ANSWER)H
Electrostatic lines of force radiate from a charged particle along what type of lines - (ANSWER)Straight
Lines
Physical property similar to inductance - (ANSWER)Inertia
A waveform is a graphic plot of what quantities - (ANSWER)Amplitude versus time
Unit of measurement for inductance - (ANSWER)Henry
, Self-induced emf is also known as what force - (ANSWER)Counter electromotive force
Symbol for Inductance - (ANSWER)L
A capacitor is a device that stores energy in an - (ANSWER)electrostatic field
Normally, most coils have cores composed of - (ANSWER)air or soft iron
Fixed capacitors are classified by - (ANSWER)their dielectric materials
Unit measurement for frequency - (ANSWER)hertz
Alternating current - (ANSWER)a current that varies in amplitude and direction
Main difference between conductors, semiconductors, and insulators - (ANSWER)The physical state of
their mass
A book sitting on a shelf has what kind of energy - (ANSWER)Potential
The ability of a resistor to dissipate heat indicated by - (ANSWER)wattage rating
Specified reliability of the resistor - (ANSWER)0.01%
Subatomic particle that has negative charge and a small mass - (ANSWER)ElectronWhat layer do
neural crest cells develop from? - (ANSWER)Ectoderm
At what embryonic age does the dental lamina begin to develop? - (ANSWER)6 weeks
