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

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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?

Select	Answer
A	Make sure the antenna is properly shielded
B	Make sure that MPE limits are not exceeded in occupied areas
C	Position the antenna along the edge of a wall to reduce parasitic radiation
D	Locate 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?

Select	Answer
A	Next to the closest power pole
B	As close to the station equipment as possible
C	Parallel to the water supply line
D	Outside the building

3. - G1A01

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

Select	Answer
A	80 meters, 40 meters, 20 meters, and 15 meters
B	80 meters, 20 meters, 15 meters, and 10 meters
C	160 meters, 60 meters, 15 meters, and 12 meters
D	60 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?

Select	Answer
A	Only 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
B	When the contact is with amateurs in any country except those whose administrations have notified the ITU that they object to such communications
C	Only 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
D	Only 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?

Select	Answer
A	1500 watts PEP output
B	1000 watts PEP output
C	1200 watts PEP output
D	200 watts PEP output

6. - G1D01

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

Select	Answer
A	Any 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
B	Anyone who held an FCC-issued amateur radio license that expired not less than 5 and not more than 15 years ago
C	Any 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
D	Only 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?

Select	Answer
A	On any band segment where digital operation is permitted
B	Anywhere in the 6-meter or shorter wavelength bands, and in limited segments of some of the HF bands
C	Only in the non-phone Extra Class segments of the bands
D	Anywhere 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?

Select	Answer
A	It provides more power output
B	The received signal is more natural sounding
C	It allows “hands free” operation
D	It occupies less bandwidth

9. - G2B06

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

Select	Answer
A	Send “QSY” on CW or if using phone, announce “the frequency is in use,” then give your call sign and listen for a response
B	Send the letter “V” in Morse code several times and listen for a response, or say “test” several times and listen for a response
C	Listen for 2 minutes before calling CQ
D	Send “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?

Select	Answer
A	Send more slowly
B	Stop sending
C	I am troubled by static
D	Zero beat my signal

11. - G2D02

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

Select	Answer
A	To encourage amateur radio operators to self-regulate and comply with the rules
B	To conduct efficient and orderly amateur licensing examinations
C	To provide emergency and public safety communications
D	To 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?

Select	Answer
A	Send QRL in Morse code
B	Transmit a connect message on the station’s published frequency
C	Send an email to the system control operator
D	Respond 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?

Select	Answer
A	HF communication is disturbed
B	VHF/UHF ducting is disturbed
C	HF communication is improved
D	VHF/UHF ducting is improved

14. - G3B11

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

Select	Answer
A	Double-hop propagation along the path is more common
B	Propagation over the path on all HF frequencies is enhanced
C	HF communications over the path are enhanced
D	Propagation 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?

Select	Answer
A	The short path azimuth of a distant station
B	The long path azimuth of a distant station
C	The highest takeoff angle that will return a radio wave to Earth under specific ionospheric conditions
D	The 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?

Select	Answer
A	To allow time for the amplifier power supply to reach operating level
B	To allow time for the amplifier to switch the antenna between the transceiver and the amplifier output
C	To prevent key clicks on CW
D	To prevent transient overmodulation

17. - G4B08

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

Select	Answer
A	Linearity
B	Percentage of carrier phase shift
C	Percentage of frequency modulation
D	Percentage 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?

Select	Answer
A	A steady hum whenever the transmitter is on the air
B	Distorted speech
C	Clearly audible speech
D	On-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?

Select	Answer
A	It is 10 times less powerful
B	It is 20 times less powerful
C	It is 100 times more powerful
D	It is 20 times more powerful

20. - G4E11

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

Select	Answer
A	A series resistor must be in place
B	Ensure the battery is placed terminals-up
C	Ground the solar panel outer metal framework
D	The solar panel must have a charge controller

21. - G5A03

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

Select	Answer
A	Admittance
B	Reactance
C	Reluctance
D	Conductance

22. - G5B05

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

Select	Answer
A	Approximately 11 watts
B	Approximately 61 watts
C	Approximately 11 milliwatts
D	Approximately 61 milliwatts

23. - G5C13

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

Select	Answer
A	A capacitor in series
B	An inductor in parallel
C	An inductor in series
D	A capacitor in parallel

24. - G6A10

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

Select	Answer
A	Control grid
B	Suppressor grid
C	Trigger electrode
D	Screen grid

25. - G6B02

What is meant by the term MMIC?

Select	Answer
A	Monolithic Microwave Integrated Circuit
B	Metal Monolayer Integrated Circuit
C	Mode Modulated Integrated Circuit
D	Multi-Mode Integrated Circuit

26. - G7A09

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

Select	Answer
A	Symbol 2
B	Symbol 4
C	Symbol 5
D	Symbol 1

27. - G7B02

Which of these classes of amplifiers has the highest efficiency?

Select	Answer
A	Class B
B	Class A
C	Class AB
D	Class C

28. - G7C10

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

Select	Answer
A	All types of modulation can be created with appropriate processing
B	Minimum detectible signal level is reduced
C	Automatic conversion of the signal from digital to analog
D	The need for high resolution analog-to-digital converters is eliminated

29. - G8A12

What is QPSK modulation?

Select	Answer
A	Modulation using quadra-pole sideband keying to generate spread spectrum signals
B	Modulation using quasi-parallel to serial conversion to reduce bandwidth
C	Modulation using Fast Fourier Transforms to generate frequencies at the first, second, third, and fourth harmonics of the carrier frequency to improve noise immunity
D	Modulation 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?

Select	Answer
A	Bandwidth is half the symbol rate
B	Lower symbol rates require wider bandwidth
C	Symbol rate and bandwidth are not related
D	Higher symbol rates require wider bandwidth

31. - G8C03

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

Select	Answer
A	Trailer
B	Directory
C	Header
D	Preamble

32. - G9A11

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

Select	Answer
A	Transmission line loss does not affect the SWR measurement
B	Higher loss increases the accuracy of SWR measured at the input to the line
C	Higher loss reduces SWR measured at the input to the line
D	Higher 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?

Select	Answer
A	It is a figure-eight at right angles to the antenna
B	It has a pair of lobes on one side of the antenna and a single lobe on the other side
C	It is a figure-eight off both ends of the antenna
D	It 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?

Select	Answer
A	All these choices are correct
B	The spacing of each element along the boom
C	The physical length of the boom
D	The number of elements on the boom

35. - G9D11

Which of the following is a disadvantage of multiband antennas?

Select	Answer
A	They must be fed with open wire line
B	They must be used with an antenna tuner
C	They present low impedance on all design frequencies
D	They have poor harmonic rejection

Figure G7-1