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. - G0A08

Which of the following steps must an amateur operator take to ensure compliance with RF safety regulations?

Select	Answer
A	All these choices are correct
B	Post a copy of FCC Part 97.13 in the station
C	Notify neighbors within a 100-foot radius of the antenna of the existence of the station and power levels
D	Perform a routine RF exposure evaluation and prevent access to any identified high exposure areas

2. - G0B11

Which of the following is required for lightning protection ground rods?

Select	Answer
A	Lightning grounds must be connected to all ungrounded wiring
B	They must be bonded to all buried water and gas lines
C	Bends in ground wires must be made as close as possible to a right angle
D	They must be bonded together with all other grounds

3. - G1A04

Which of the following amateur bands is restricted to communication only on specific channels, rather than frequency ranges?

Select	Answer
A	11 meters
B	30 meters
C	60 meters
D	12 meters

4. - G1B07

What are the restrictions on the use of abbreviations or procedural signals in the amateur service?

Select	Answer
A	They are not permitted
B	They may be used if they do not obscure the meaning of a message
C	Only “Q” signals are permitted
D	They are limited to those expressly listed in Part 97 of the FCC rules

5. - G1C06

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

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

6. - G1D06

Until an upgrade to General class is shown in the FCC database, when must a Technician licensee identify with “AG” after their call sign?

Select	Answer
A	Whenever they operate using General class frequency privileges
B	Whenever they operate using Technician frequency privileges
C	A special identifier is not required if their General class license application has been filed with the FCC
D	Whenever they operate on any amateur frequency

7. - G1E01

Which of the following would disqualify a third party from participating in sending a message via an amateur station?

Select	Answer
A	All these choices are correct
B	The third party is not a US citizen
C	The third party’s amateur license has been revoked and not reinstated
D	The third party is speaking in a language other than English

8. - G2A01

Which mode is most commonly used for voice communications on frequencies of 14 MHz or higher?

Select	Answer
A	Double sideband
B	Suppressed sideband
C	Upper sideband
D	Lower sideband

9. - G2B07

Which of the following complies with commonly accepted amateur practice when choosing a frequency on which to initiate a call?

Select	Answer
A	Identify your station by transmitting your call sign at least 3 times
B	Listen on the frequency for at least two minutes to be sure it is clear
C	All these choices are correct
D	Follow the voluntary band plan

10. - G2C09

What does the Q signal “QSL” mean?

Select	Answer
A	Send slower
B	We have worked before
C	We have already confirmed the contact
D	I have received and understood

11. - G2D01

What is the Volunteer Monitor Program?

Select	Answer
A	Amateur volunteers who are formally enlisted to monitor the airwaves for rules violations
B	Amateur volunteers who conduct frequency coordination for amateur VHF repeaters
C	Amateur volunteers who conduct amateur licensing examinations
D	Amateur volunteers who use their station equipment to help civil defense organizations in times of emergency

12. - G2E06

What is the most common frequency shift for RTTY emissions in the amateur HF bands?

Select	Answer
A	170 Hz
B	425 Hz
C	850 Hz
D	85 Hz

13. - G3A09

How can high geomagnetic activity benefit radio communications?

Select	Answer
A	Creates auroras that can reflect VHF signals
B	Increases signal strength for HF signals passing through the polar regions
C	Reduce long delayed echoes
D	Improve HF long path propagation

14. - G3B05

How does the ionosphere affect radio waves with frequencies below the MUF and above the LUF?

Select	Answer
A	They pass through the ionosphere
B	They are amplified by interaction with the ionosphere
C	They are refracted and trapped in the ionosphere to circle Earth
D	They are refracted back to Earth

15. - G3C06

What is a characteristic of HF scatter?

Select	Answer
A	Signals have a fluttering sound
B	Scatter propagation occurs only at night
C	There are very large, sudden swings in signal strength
D	Phone signals have high intelligibility

16. - G4A11

Why should the ALC system be inactive when transmitting AFSK data signals?

Select	Answer
A	All these choices are correct
B	ALC will invert the modulation of the AFSK mode
C	When using digital modes, too much ALC activity can cause the transmitter to overheat
D	The ALC action distorts the signal

17. - G4B06

What is an advantage of a digital multimeter as compared to an analog multimeter?

Select	Answer
A	Higher precision
B	Less prone to overload
C	Better for measuring computer circuits
D	Faster response

18. - G4C10

What could be a symptom caused by a ground loop in your station’s audio connections?

Select	Answer
A	You receive reports of harmonic interference from your station
B	An item of station equipment starts to draw excessive amounts of current
C	You receive reports of “hum” on your station’s transmitted signal
D	The SWR reading for one or more antennas is suddenly very high

19. - G4D04

What does an S meter measure?

Select	Answer
A	Carrier suppression
B	Transmitter power output
C	Received signal strength
D	Impedance

20. - G4E07

Which of the following may cause receive interference to an HF transceiver installed in a vehicle?

Select	Answer
A	The control computers
B	The fuel delivery system
C	All these choices are correct
D	The battery charging system

21. - G5A03

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

Select	Answer
A	Reluctance
B	Conductance
C	Reactance
D	Admittance

22. - G5B06

What is the PEP produced by 200 volts peak-to-peak across a 50-ohm dummy load?

Select	Answer
A	400 watts
B	1.4 watts
C	100 watts
D	353.5 watts

23. - G5C11

What is the inductance of a circuit with a 20-millihenry inductor connected in series with a 50-millihenry inductor?

Select	Answer
A	7 millihenries
B	1,000 millihenries
C	14.3 millihenries
D	70 millihenries

24. - G6A04

Which of the following is characteristic of an electrolytic capacitor?

Select	Answer
A	Much less leakage than any other type
B	Tight tolerance
C	Inexpensive RF capacitor
D	High capacitance for a given volume

25. - G6B02

What is meant by the term MMIC?

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

26. - G7A08

Which of the following is characteristic of a switchmode power supply as compared to a linear power supply?

Select	Answer
A	Fewer circuit components are required
B	High-frequency operation allows the use of smaller components
C	Inherently more stable
D	Faster switching time makes higher output voltage possible

27. - G7B04

In a Class A amplifier, what percentage of the time does the amplifying device conduct?

Select	Answer
A	100%
B	Less than 50%
C	More than 50% but less than 100%
D	50%

28. - G7C06

Which of the following is an advantage of a digital signal processing (DSP) filter compared to an analog filter?

Select	Answer
A	Fewer digital components are required
B	The DSP filter is much more effective at VHF frequencies
C	Mixing products are greatly reduced
D	A wide range of filter bandwidths and shapes can be created

29. - G8A14

What is link margin?

Select	Answer
A	The difference between received power level and minimum required signal level at the input to the receiver
B	Transmit power minus receiver sensitivity
C	Receiver sensitivity plus 3 dB
D	The opposite of fade margin

30. - G8B01

Which mixer input is varied or tuned to convert signals of different frequencies to an intermediate frequency (IF)?

Select	Answer
A	Beat frequency oscillator
B	Image frequency
C	RF input
D	Local oscillator

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. - G9A01

Which of the following factors determine the characteristic impedance of a parallel conductor feed line?

Select	Answer
A	The radius of the conductors and the frequency of the signal
B	The distance between the centers of the conductors and the length of the line
C	The frequency of the signal and the length of the line
D	The distance between the centers of the conductors and the radius of the conductors

33. - G9B06

Where should the radial wires of a ground-mounted vertical antenna system be placed?

Select	Answer
A	As high as possible above the ground
B	On the surface or buried a few inches below the ground
C	At the center of the antenna
D	Parallel to the antenna element

34. - G9C01

Which of the following would increase the bandwidth of a Yagi antenna?

Select	Answer
A	Loading coils in series with the element
B	Tapered-diameter elements
C	Larger-diameter elements
D	Closer element spacing

35. - G9D04

What is the primary function of antenna traps?

Select	Answer
A	To enable multiband operation
B	To prevent out-of-band operation
C	To provide balanced feed point impedance
D	To notch spurious frequencies