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. - G0A10

What should be done if evaluation shows that a neighbor might experience more than the allowable limit of RF exposure from the main lobe of a directional antenna?

Select	Answer
A	Change to a non-polarized antenna with higher gain
B	All these choices are correct
C	Use an antenna with a higher front-to-back ratio
D	Take precautions to ensure that the antenna cannot be pointed in their direction when they are present

2. - G0B04

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

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

3. - G1A04

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

Select	Answer
A	60 meters
B	11 meters
C	30 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	Only “Q” signals are permitted
B	They may be used if they do not obscure the meaning of a message
C	They are not permitted
D	They are limited to those expressly listed in Part 97 of the FCC rules

5. - G1C03

What is the maximum bandwidth permitted by FCC rules for amateur radio stations transmitting on USB frequencies in the 60-meter band?

Select	Answer
A	2.8 kHz
B	5.6 kHz
C	1.8 kHz
D	3 kHz

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 Technician frequency privileges
B	Whenever they operate using General class 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	The third party is speaking in a language other than English
B	The third party is not a US citizen
C	All these choices are correct
D	The third party’s amateur license has been revoked and not reinstated

8. - G2A09

Why do most amateur stations use lower sideband on the 160-, 75-, and 40-meter bands?

Select	Answer
A	Lower sideband is the only sideband legal on these frequency bands
B	Because it is fully compatible with an AM detector
C	It is commonly accepted amateur practice
D	Lower sideband is more efficient than upper sideband at these frequencies

9. - G2B08

What is the voluntary band plan restriction for US stations transmitting within the 48 contiguous states in the 50.1 MHz to 50.125 MHz band segment?

Select	Answer
A	Only SSTV contacts
B	Only contacts with stations not within the 48 contiguous states
C	Only contacts with other stations within the 48 contiguous states
D	Only digital contacts

10. - G2C11

What does the Q signal “QRV” mean?

Select	Answer
A	I am quitting for the day
B	You are sending too fast
C	There is interference on the frequency
D	I am ready to receive

11. - G2D04

Which of the following describes an azimuthal projection map?

Select	Answer
A	A map that shows accurate land masses
B	A map that shows true bearings and distances from a specific location
C	A map that shows the number of degrees longitude that an amateur satellite appears to move westward at the equator with each orbit
D	A map that shows the angle at which an amateur satellite crosses the equator

12. - G2E15

Which of the following is a common location for FT8?

Select	Answer
A	Approximately 14.110 MHz to 14.113 MHz
B	Anywhere in the CW portion of the band
C	Anywhere in the voice portion of the band
D	Approximately 14.074 MHz to 14.077 MHz

13. - G3A04

Which of the following are the least reliable bands for long-distance communications during periods of low solar activity?

Select	Answer
A	60 meters and 40 meters
B	15 meters, 12 meters, and 10 meters
C	80 meters and 160 meters
D	30 meters and 20 meters

14. - G3B09

What is the approximate maximum distance along the Earth’s surface normally covered in one hop using the F2 region?

Select	Answer
A	1,200 miles
B	180 miles
C	12,000 miles
D	2,500 miles

15. - G3C05

Why is long-distance communication on the 40-, 60-, 80-, and 160-meter bands more difficult during the day?

Select	Answer
A	The F region is unstable during daylight hours
B	The D region absorbs signals at these frequencies during daylight hours
C	The E region is unstable during daylight hours
D	The F region absorbs signals at these frequencies during daylight hours

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

17. - G4B11

Which of the following must be connected to an antenna analyzer when it is being used for SWR measurements?

Select	Answer
A	Transmitter
B	All these choices are correct
C	Antenna and feed line
D	Receiver

18. - G4C07

Why should soldered joints not be used in lightning protection ground connections?

Select	Answer
A	A soldered joint will likely be destroyed by the heat of a lightning strike
B	All these choices are correct
C	Solder has too high a dielectric constant to provide adequate lightning protection
D	Solder flux will prevent a low conductivity connection

19. - G4D01

What is the purpose of a speech processor in a transceiver?

Select	Answer
A	Decrease high-frequency voice output to prevent out-of-band operation
B	Prevent distortion of voice signals
C	Increase transmitter bass response for more natural-sounding SSB signals
D	Increase the apparent loudness of transmitted voice signals

20. - G4E02

What is the purpose of a corona ball on an HF mobile antenna?

Select	Answer
A	To reduce RF voltage discharge from the tip of the antenna while transmitting
B	To reduce the chance of damage if the antenna should strike an object
C	To increase the “Q” of the antenna
D	To narrow the operating bandwidth of the antenna

21. - G5A04

Which of the following is opposition to the flow of alternating current in a capacitor?

Select	Answer
A	Reactance
B	Conductance
C	Reluctance
D	Admittance

22. - G5B04

How many watts of electrical power are consumed by a 12 VDC light bulb that draws 0.2 amperes?

Select	Answer
A	6 watts
B	60 watts
C	24 watts
D	2.4 watts

23. - G5C04

What is the approximate total resistance of a 100- and a 200-ohm resistor in parallel?

Select	Answer
A	75 ohms
B	300 ohms
C	150 ohms
D	67 ohms

24. - G6A11

What happens when an inductor is operated above its self-resonant frequency?

Select	Answer
A	Its reactance increases
B	It becomes capacitive
C	Harmonics are generated
D	Catastrophic failure is likely

25. - G6B06

What kind of device is an integrated circuit operational amplifier?

Select	Answer
A	MMIC
B	Programmable Logic
C	Digital
D	Analog

26. - G7A12

Which symbol in Figure G7-1 represents a solid core transformer?

Select	Answer
A	Symbol 6
B	Symbol 7
C	Symbol 4
D	Symbol 1

27. - G7B10

Which of the following describes a linear amplifier?

Select	Answer
A	A Class C high efficiency amplifier
B	An amplifier used as a frequency multiplier
C	Any RF power amplifier used in conjunction with an amateur transceiver
D	An amplifier in which the output preserves the input waveform

28. - G7C03

What is one reason to use an impedance matching transformer at a transmitter output?

Select	Answer
A	To present the desired impedance to the transmitter and feed line
B	To minimize radiation resistance
C	To reduce power supply ripple
D	To minimize transmitter power output

29. - G8A05

What type of modulation varies the instantaneous power level of the RF signal?

Select	Answer
A	Power modulation
B	Amplitude modulation
C	Frequency modulation
D	Phase modulation

30. - G8B04

What is the stage in a VHF FM transmitter that generates a harmonic of a lower frequency signal to reach the desired operating frequency?

Select	Answer
A	Multiplier
B	Reactance modulator
C	Mixer
D	Balanced converter

31. - G8C11

How are the two separate frequencies of a Frequency Shift Keyed (FSK) signal identified?

Select	Answer
A	Dot and dash
B	Mark and space
C	High and low
D	On and off

32. - G9A02

What is the relationship between high standing wave ratio (SWR) and transmission line loss?

Select	Answer
A	High SWR reduces the relative effect of transmission line loss
B	High SWR increases loss in a lossy transmission line
C	There is no relationship between transmission line loss and SWR
D	High SWR makes it difficult to measure transmission line loss

33. - G9B06

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

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

34. - G9C09

In free space, how does the gain of two three-element, horizontally polarized Yagi antennas spaced vertically 1/2 wavelength apart typically compare to the gain of a single three-element Yagi?

Select	Answer
A	Approximately 1.5 dB higher
B	Approximately 9 dB higher
C	Approximately 3 dB higher
D	Approximately 6 dB higher

35. - G9D08

How does a “screwdriver” mobile antenna adjust its feed point impedance?

Select	Answer
A	By varying the base loading inductance
B	By varying its body capacitance
C	By deploying a capacitance hat
D	By extending and retracting the whip

Figure G7-1