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. - G0A06

What must you do if your station fails to meet the FCC RF exposure exemption criteria?

Select	Answer
A	Perform an RF Exposure Evaluation in accordance with FCC OET Bulletin 65
B	Contact the FCC for permission to transmit
C	Perform an RF exposure evaluation in accordance with World Meteorological Organization guidelines
D	Use an FCC-approved band-pass filter

2. - G0B04

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

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

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	12 meters
C	30 meters
D	11 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	Only when the foreign country has a formal third-party agreement filed with the FCC
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	When the contact is with amateurs in any country except those whose administrations have notified the ITU that they object to such communications

5. - G1C10

What is the maximum symbol rate permitted for RTTY or data emission transmissions on the 10-meter band?

Select	Answer
A	19.6 kilobaud
B	300 baud
C	56 kilobaud
D	1200 baud

6. - G1D11

What action is required to obtain a new General class license after a previously held license has expired and the two-year grace period has passed?

Select	Answer
A	They must have a letter from the FCC showing they once held an amateur or commercial license
B	The applicant must show proof of the appropriate expired license grant and pass the current Element 2 exam
C	Contact the FCC to have the license reinstated
D	There are no requirements other than being able to show a copy of the expired license

7. - G1E10

Why should an amateur operator normally avoid transmitting on 14.100, 18.110, 21.150, 24.930 and 28.200 MHz?

Select	Answer
A	These frequencies are set aside for emergency operations
B	A system of propagation beacon stations operates on those frequencies
C	These frequencies are set aside for bulletins from the FCC
D	A system of automatic digital stations operates on those frequencies

8. - G2A05

Which mode of voice communication is most commonly used on the HF amateur bands?

Select	Answer
A	Double sideband
B	Single phase modulation
C	Frequency modulation
D	Single sideband

9. - G2B05

When selecting an SSB transmitting frequency, what minimum separation should be used to minimize interference to stations on adjacent frequencies?

Select	Answer
A	150 Hz to 500 Hz
B	2 kHz to 3 kHz
C	5 Hz to 50 Hz
D	Approximately 6 kHz

10. - G2C06

What does the term “zero beat” mean in CW operation?

Select	Answer
A	Matching the speed of the transmitting station
B	Sending without error
C	Matching the transmit frequency to the frequency of a received signal
D	Operating split to avoid interference on frequency

11. - G2D09

Which of the following is required when participating in a contest on HF frequencies?

Select	Answer
A	Submit a log to the contest sponsor
B	Send a QSL card to the stations worked, or QSL via Logbook of The World
C	Identify your station according to normal FCC regulations
D	All these choices are correct

12. - G2E08

In what segment of the 20-meter band are most digital mode operations commonly found?

Select	Answer
A	Between 14.070 MHz and 14.100 MHz
B	In the middle of the CW segment, near 14.100 MHz
C	At the top of the SSB phone segment, near 14.325 MHz
D	At the bottom of the slow-scan TV segment, near 14.230 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	80 meters and 160 meters
C	30 meters and 20 meters
D	15 meters, 12 meters, and 10 meters

14. - G3B12

Which of the following is typical of the lower HF frequencies during the summer?

Select	Answer
A	World-wide propagation during daylight hours
B	Poor propagation at any time of day
C	Heavy distortion on signals due to photon absorption
D	High levels of atmospheric noise or static

15. - G3C03

Why is skip propagation via the F2 region longer than that via the other ionospheric regions?

Select	Answer
A	Because of temperature inversions
B	Because it is the densest
C	Because it is the highest
D	Because of the Doppler effect

16. - G4A05

Why is automatic level control (ALC) used with an RF power amplifier?

Select	Answer
A	To prevent excessive drive
B	To increase overall efficiency
C	To reduce harmonic radiation
D	To balance the transmitter audio frequency response

17. - G4B01

What item of test equipment contains horizontal and vertical channel amplifiers?

Select	Answer
A	An ammeter
B	An ohmmeter
C	A signal generator
D	An oscilloscope

18. - G4C01

Which of the following might be useful in reducing RF interference to audio frequency circuits?

Select	Answer
A	Reverse-biased diode
B	Bypass capacitor
C	Bypass inductor
D	Forward-biased diode

19. - G4D01

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

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

20. - G4E10

Why should a series diode be connected between a solar panel and a storage battery that is being charged by the panel?

Select	Answer
A	To prevent damage to the battery due to excessive voltage at high illumination levels
B	To prevent discharge of the battery through the panel during times of low or no illumination
C	To limit the current flowing from the panel to a safe value
D	To prevent overload by regulating the charging voltage

21. - G5A07

What is the term for the inverse of impedance?

Select	Answer
A	Conductance
B	Admittance
C	Reluctance
D	Susceptance

22. - G5B11

What is the ratio of PEP to average power for an unmodulated carrier?

Select	Answer
A	1.414
B	2.00
C	0.707
D	1.00

23. - G5C13

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

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

24. - G6A07

What are the operating points for a bipolar transistor used as a switch?

Select	Answer
A	Enhancement and depletion modes
B	Saturation and cutoff
C	The active region (between cutoff and saturation)
D	Peak and valley current points

25. - G6B10

How does a ferrite bead or core reduce common-mode RF current on the shield of a coaxial cable?

Select	Answer
A	By creating an impedance in the current’s path
B	By creating an out-of-phase current to cancel the common-mode current
C	Ferrites expel magnetic fields
D	It converts common-mode current to differential mode current

26. - G7A01

What is the function of a power supply bleeder resistor?

Select	Answer
A	It removes shock hazards from the induction coils
B	It acts as a fuse for excess voltage
C	It eliminates ground loop current
D	It discharges the filter capacitors when power is removed

27. - G7B06

What is a shift register?

Select	Answer
A	A digital mixer
B	An array of operational amplifiers used for tri-state arithmetic operations
C	An analog mixer
D	A clocked array of circuits that passes data in steps along the array

28. - G7C07

What term specifies a filter’s attenuation inside its passband?

Select	Answer
A	Q
B	Ultimate rejection
C	Return loss
D	Insertion loss

29. - G8A14

What is link margin?

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

30. - G8B09

Why is it good to match receiver bandwidth to the bandwidth of the operating mode?

Select	Answer
A	It results in the best signal-to-noise ratio
B	It is required by FCC rules
C	It minimizes power consumption in the receiver
D	It improves impedance matching of the antenna

31. - G8C16

Which of the following provide digital voice modes?

Select	Answer
A	DMR, D-STAR, and SystemFusion
B	Winlink, PACTOR II, and PACTOR III
C	WSPR, MFSK16, and EasyPAL
D	FT8, FT4, and FST4

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	High SWR makes it difficult to measure transmission line loss
D	There is no relationship between transmission line loss and SWR

33. - G9B09

Which of the following is an advantage of using a horizontally polarized as compared to a vertically polarized HF antenna?

Select	Answer
A	Lower radiation resistance
B	Shorter radials
C	Lower feed point impedance
D	Lower ground losses

34. - G9C05

What is the primary effect of increasing boom length and adding directors to a Yagi antenna?

Select	Answer
A	Gain increases
B	Resonant frequency is lower
C	Beamwidth increases
D	Front-to-back ratio decreases

35. - G9D06

Which of the following is an advantage of a log-periodic antenna?

Select	Answer
A	Harmonic suppression
B	Polarization diversity
C	Higher gain per element than a Yagi antenna
D	Wide bandwidth