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US Amateur Radio - General (Element 3, 2023-2027) Practice Test

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1. - G0A11

What precaution should be taken if you install an indoor transmitting antenna?

SelectAnswer
AMake sure the antenna is properly shielded
BMake sure that MPE limits are not exceeded in occupied areas
CPosition the antenna along the edge of a wall to reduce parasitic radiation
DLocate the antenna close to your operating position to minimize feed-line radiation

2. - G0B04

Where should the station’s lightning protection ground system be located?

SelectAnswer
ANext to the closest power pole
BAs close to the station equipment as possible
CParallel to the water supply line
DOutside the building

3. - G1A01

On which HF and/or MF amateur bands are there portions where General class licensees cannot transmit?

SelectAnswer
A80 meters, 40 meters, 20 meters, and 15 meters
B80 meters, 20 meters, 15 meters, and 10 meters
C160 meters, 60 meters, 15 meters, and 12 meters
D60 meters, 30 meters, 17 meters, and 12 meters

4. - G1B08

When is it permissible to communicate with amateur stations in countries outside the areas administered by the Federal Communications Commission?

SelectAnswer
AOnly when the contact is with amateurs licensed by a country which is a member of the United Nations, or by a territory possessed by such a country
BWhen the contact is with amateurs in any country except those whose administrations have notified the ITU that they object to such communications
COnly when the contact is with amateurs licensed by a country which is a member of the International Amateur Radio Union, or by a territory possessed by such a country
DOnly when the foreign country has a formal third-party agreement filed with the FCC

5. - G1C06

What is the limit for transmitter power on the 1.8 MHz band?

SelectAnswer
A1500 watts PEP output
B1000 watts PEP output
C1200 watts PEP output
D200 watts PEP output

6. - G1D01

Who may receive partial credit for the elements represented by an expired amateur radio license?

SelectAnswer
AAny person who previously held an amateur license issued by another country, but only if that country has a current reciprocal licensing agreement with the FCC
BAnyone who held an FCC-issued amateur radio license that expired not less than 5 and not more than 15 years ago
CAny person who can demonstrate that they once held an FCC-issued General, Advanced, or Amateur Extra class license that was not revoked by the FCC
DOnly persons who once held an FCC issued Novice, Technician, or Technician Plus license

7. - G1E11

On what bands may automatically controlled stations transmitting RTTY or data emissions communicate with other automatically controlled digital stations?

SelectAnswer
AOn any band segment where digital operation is permitted
BAnywhere in the 6-meter or shorter wavelength bands, and in limited segments of some of the HF bands
COnly in the non-phone Extra Class segments of the bands
DAnywhere in the non-phone segments of the 10-meter or shorter wavelength bands

8. - G2A10

Which of the following statements is true of VOX operation versus PTT operation?

SelectAnswer
AIt provides more power output
BThe received signal is more natural sounding
CIt allows “hands free” operation
DIt occupies less bandwidth

9. - G2B06

How can you avoid harmful interference on an apparently clear frequency before calling CQ on CW or phone?

SelectAnswer
ASend “QSY” on CW or if using phone, announce “the frequency is in use,” then give your call sign and listen for a response
BSend the letter “V” in Morse code several times and listen for a response, or say “test” several times and listen for a response
CListen for 2 minutes before calling CQ
DSend “QRL?” on CW, followed by your call sign; or, if using phone, ask if the frequency is in use, followed by your call sign

10. - G2C10

What does the Q signal “QRN” mean?

SelectAnswer
ASend more slowly
BStop sending
CI am troubled by static
DZero beat my signal

11. - G2D02

Which of the following are objectives of the Volunteer Monitor Program?

SelectAnswer
ATo encourage amateur radio operators to self-regulate and comply with the rules
BTo conduct efficient and orderly amateur licensing examinations
CTo provide emergency and public safety communications
DTo coordinate repeaters for efficient and orderly spectrum usage

12. - G2E10

Which of the following is a way to establish contact with a digital messaging system gateway station?

SelectAnswer
ASend QRL in Morse code
BTransmit a connect message on the station’s published frequency
CSend an email to the system control operator
DRespond when the station broadcasts its SSID

13. - G3A14

How is long distance radio communication usually affected by the charged particles that reach Earth from solar coronal holes?

SelectAnswer
AHF communication is disturbed
BVHF/UHF ducting is disturbed
CHF communication is improved
DVHF/UHF ducting is improved

14. - G3B11

What happens to HF propagation when the LUF exceeds the MUF?

SelectAnswer
ADouble-hop propagation along the path is more common
BPropagation over the path on all HF frequencies is enhanced
CHF communications over the path are enhanced
DPropagation via ordinary skywave communications is not possible over that path

15. - G3C04

What does the term “critical angle” mean, as applied to radio wave propagation?

SelectAnswer
AThe short path azimuth of a distant station
BThe long path azimuth of a distant station
CThe highest takeoff angle that will return a radio wave to Earth under specific ionospheric conditions
DThe lowest takeoff angle that will return a radio wave to Earth under specific ionospheric conditions

16. - G4A09

What is the purpose of delaying RF output after activating a transmitter’s keying line to an external amplifier?

SelectAnswer
ATo allow time for the amplifier power supply to reach operating level
BTo allow time for the amplifier to switch the antenna between the transceiver and the amplifier output
CTo prevent key clicks on CW
DTo prevent transient overmodulation

17. - G4B08

What transmitter performance parameter does a two-tone test analyze?

SelectAnswer
ALinearity
BPercentage of carrier phase shift
CPercentage of frequency modulation
DPercentage of suppression of the carrier and undesired sideband for SSB

18. - G4C03

What sound is heard from an audio device experiencing RF interference from a single sideband phone transmitter?

SelectAnswer
AA steady hum whenever the transmitter is on the air
BDistorted speech
CClearly audible speech
DOn-and-off humming or clicking

19. - G4D05

How does a signal that reads 20 dB over S9 compare to one that reads S9 on a receiver, assuming a properly calibrated S meter?

SelectAnswer
AIt is 10 times less powerful
BIt is 20 times less powerful
CIt is 100 times more powerful
DIt is 20 times more powerful

20. - G4E11

What precaution should be taken when connecting a solar panel to a lithium iron phosphate battery?

SelectAnswer
AA series resistor must be in place
BEnsure the battery is placed terminals-up
CGround the solar panel outer metal framework
DThe solar panel must have a charge controller

21. - G5A03

Which of the following is opposition to the flow of alternating current in an inductor?

SelectAnswer
AAdmittance
BReactance
CReluctance
DConductance

22. - G5B05

How many watts are consumed when a current of 7.0 milliamperes flows through a 1,250-ohm resistance?

SelectAnswer
AApproximately 11 watts
BApproximately 61 watts
CApproximately 11 milliwatts
DApproximately 61 milliwatts

23. - G5C13

Which of the following components should be added to a capacitor to increase the capacitance?

SelectAnswer
AA capacitor in series
BAn inductor in parallel
CAn inductor in series
DA capacitor in parallel

24. - G6A10

Which element of a vacuum tube regulates the flow of electrons between cathode and plate?

SelectAnswer
AControl grid
BSuppressor grid
CTrigger electrode
DScreen grid

25. - G6B02

What is meant by the term MMIC?

SelectAnswer
AMonolithic Microwave Integrated Circuit
BMetal Monolayer Integrated Circuit
CMode Modulated Integrated Circuit
DMulti-Mode Integrated Circuit

26. - G7A09

Which symbol in figure G7-1 represents a field effect transistor?

SelectAnswer
ASymbol 2
BSymbol 4
CSymbol 5
DSymbol 1

27. - G7B02

Which of these classes of amplifiers has the highest efficiency?

SelectAnswer
AClass B
BClass A
CClass AB
DClass C

28. - G7C10

What is an advantage of using I-Q modulation with software-defined radios (SDRs)?

SelectAnswer
AAll types of modulation can be created with appropriate processing
BMinimum detectible signal level is reduced
CAutomatic conversion of the signal from digital to analog
DThe need for high resolution analog-to-digital converters is eliminated

29. - G8A12

What is QPSK modulation?

SelectAnswer
AModulation using quadra-pole sideband keying to generate spread spectrum signals
BModulation using quasi-parallel to serial conversion to reduce bandwidth
CModulation using Fast Fourier Transforms to generate frequencies at the first, second, third, and fourth harmonics of the carrier frequency to improve noise immunity
DModulation in which digital data is transmitted using 0-, 90-, 180- and 270-degrees phase shift to represent pairs of bits

30. - G8B10

What is the relationship between transmitted symbol rate and bandwidth?

SelectAnswer
ABandwidth is half the symbol rate
BLower symbol rates require wider bandwidth
CSymbol rate and bandwidth are not related
DHigher symbol rates require wider bandwidth

31. - G8C03

What part of a packet radio frame contains the routing and handling information?

SelectAnswer
ATrailer
BDirectory
CHeader
DPreamble

32. - G9A11

What is the effect of transmission line loss on SWR measured at the input to the line?

SelectAnswer
ATransmission line loss does not affect the SWR measurement
BHigher loss increases the accuracy of SWR measured at the input to the line
CHigher loss reduces SWR measured at the input to the line
DHigher loss increases SWR measured at the input to the line

33. - G9B04

What is the radiation pattern of a dipole antenna in free space in a plane containing the conductor?

SelectAnswer
AIt is a figure-eight at right angles to the antenna
BIt has a pair of lobes on one side of the antenna and a single lobe on the other side
CIt is a figure-eight off both ends of the antenna
DIt is a circle (equal radiation in all directions)

34. - G9C10

Which of the following can be adjusted to optimize forward gain, front-to-back ratio, or SWR bandwidth of a Yagi antenna?

SelectAnswer
AAll these choices are correct
BThe spacing of each element along the boom
CThe physical length of the boom
DThe number of elements on the boom

35. - G9D11

Which of the following is a disadvantage of multiband antennas?

SelectAnswer
AThey must be fed with open wire line
BThey must be used with an antenna tuner
CThey present low impedance on all design frequencies
DThey have poor harmonic rejection

Figure G7-1