FCC Question ID
G1A07
Which of the following frequencies is within the General class portion of the 20-meter phone band?
G1B12
When is it permissible to communicate with amateur stations in countries outside the areas administered by the Federal Communications Commission?
Only when the foreign country has a formal third-party agreement filed with the FCC
When the contact is with amateurs in any country except those whose administrations have notified the ITU that they object to such communications
When the contact is with amateurs in any country as long as the communication is conducted in English
Only when the foreign country is a member of the International Amateur Radio Union
G1C07
What is the maximum symbol rate permitted for RTTY or data emission transmission on the 20-meter band?
G1D10
What is the minimum age that one must be to qualify as an accredited Volunteer Examiner?
G1E10
Why should an amateur operator normally avoid transmitting on 14.100, 18.110, 21.150, 24. 930 and 28.200 MHz?
A system of propagation beacon stations operates on those frequencies
A system of automatic digital stations operates on those frequencies
These frequencies are set aside for emergency operations
These frequencies are set aside for bulletins from the FCC
G2A01
Which sideband is most commonly used for voice communications on frequencies of 14 MHz or higher?
Upper sideband
Lower sideband
Vestigial sideband
Double sideband
G2B05
When selecting an SSB transmitting frequency, what minimum separation should be used to minimize interference to stations on adjacent frequencies?
5 to 50 Hz
150 to 500 Hz
Approximately 3 kHz
Approximately 6 kHz
G2C10
What does the Q signal “QRN” mean?
Send more slowly
Stop sending
Zero beat my signal
I am troubled by static
G2D01
What is the Volunteer Monitoring Program?
Amateur volunteers who are formally enlisted to monitor the airwaves for rules violations
Amateur volunteers who conduct amateur licensing examinations
Amateur volunteers who conduct frequency coordination for amateur VHF repeaters
Amateur volunteers who use their station equipment to help civil defense organizations in times of emergency
G2E04
What segment of the 20-meter band is most often used for digital transmissions (avoiding the DX propagation beacons)?
14.000 - 14.050 MHz
14.070 - 14.112 MHz
14.150 - 14.225 MHz
14.275 - 14.350 MHz
G3A09
What benefit can high geomagnetic activity have on radio communications?
Auroras that can reflect VHF signals
Higher signal strength for HF signals passing through the polar regions
Improved HF long path propagation
Reduced long delayed echoes
G3B06
What usually happens to radio waves with frequencies below the LUF?
They are bent back to Earth
They pass through the ionosphere
They are completely absorbed by the ionosphere
They are bent and trapped in the ionosphere to circle Earth
G3C02
Where on Earth do ionospheric layers reach their maximum height?
Where the sun is overhead
Where the sun is on the opposite side of Earth
Where the sun is rising
Where the sun has just set
G4A03
What is normally meant by operating a transceiver in “split” mode?
The radio is operating at half power
The transceiver is operating from an external power source
The transceiver is set to different transmit and receive frequencies
The transmitter is emitting an SSB signal, as opposed to DSB operation
G4B15
What type of transmitter performance does a two-tone test analyze?
Linearity
Percentage of suppression of carrier and undesired sideband for SSB
Percentage of frequency modulation
Percentage of carrier phase shift
G4C11
What technique helps to minimize RF “hot spots” in an amateur station?
Building all equipment in a metal enclosure
Using surge suppressor power outlets
Bonding all equipment enclosures together
Low-pass filters on all feed lines
G4D04
What does an S meter measure?
Conductance
Impedance
Received signal strength
Transmitter power output
G4E11
Which of the following is a disadvantage of using wind as the primary source of power for an emergency station?
The conversion efficiency from mechanical energy to electrical energy is less than 2 percent
The voltage and current ratings of such systems are not compatible with amateur equipment
A large energy storage system is needed to supply power when the wind is not blowing
All these choices are correct
G5A01
What is impedance?
The electric charge stored by a capacitor
The inverse of resistance
The opposition to the flow of current in an AC circuit
The force of repulsion between two similar electric fields
G5B10
What percentage of power loss would result from a transmission line loss of 1 dB?
G5C16
Why is the conductor of the primary winding of many voltage step-up transformers larger in diameter than the conductor of the secondary winding?
To improve the coupling between the primary and secondary
To accommodate the higher current of the primary
To prevent parasitic oscillations due to resistive losses in the primary
To ensure that the volume of the primary winding is equal to the volume of the secondary winding
G6A09
Which of the following describes the construction of a MOSFET?
The gate is formed by a back-biased junction
The gate is separated from the channel with a thin insulating layer
The source is separated from the drain by a thin insulating layer
The source is formed by depositing metal on silicon
G6B09
Which of the following is a characteristic of a liquid crystal display?
It utilizes ambient or back lighting
It offers a wide dynamic range
It consumes relatively high power
It has relatively short lifetime
G7A13
Which symbol in Figure G7-1 represents a tapped inductor?
G7B03
Which of the following describes the function of a two-input AND gate?
Output is high when either or both inputs are low
Output is high only when both inputs are high
Output is low when either or both inputs are high
Output is low only when both inputs are high
G7C08
What circuit is used in analog FM receivers to convert IF output signals to audio?
G8A05
What type of modulation varies the instantaneous power level of the RF signal?
Frequency shift keying
Phase modulation
Frequency modulation
Amplitude modulation
G8B02
If a receiver mixes a 13.800 MHz VFO with a 14.255 MHz received signal to produce a 455 kHz intermediate frequency (IF) signal, what type of interference will a 13.345 MHz signal produce in the receiver?
Quadrature noise
Image response
Mixer interference
Intermediate interference
G9A03
What is the typical characteristic impedance of “window line” parallel transmission line?
G9B08
How does the feed point impedance of a 1/2 wave dipole change as the feed point is moved from the center toward the ends?
It steadily increases
It steadily decreases
It peaks at about 1/8 wavelength from the end
It is unaffected by the location of the feed point
G9C08
What is meant by the “main lobe” of a directive antenna?
The magnitude of the maximum vertical angle of radiation
The point of maximum current in a radiating antenna element
The maximum voltage standing wave point on a radiating element
The direction of maximum radiated field strength from the antenna
G9D03
In which direction is the maximum radiation from a portable VHF/UHF “halo” antenna?
Broadside to the plane of the halo
Opposite the feed point
Omnidirectional in the plane of the halo
Toward the halo’s supporting mast
G0A03
How can you determine that your station complies with FCC RF exposure regulations?
By calculation based on FCC OET Bulletin 65
By calculation based on computer modeling
By measurement of field strength using calibrated equipment
All these choices are correct
G0B10
Which of the following is a danger from lead-tin solder?
Lead can contaminate food if hands are not washed carefully after handling the solder
High voltages can cause lead-tin solder to disintegrate suddenly
Tin in the solder can “cold flow,” causing shorts in the circuit
RF energy can convert the lead into a poisonous gas