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

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	Bends in ground wires must be made as close as possible to a right angle
C	They must be bonded together with all other grounds
D	They must be bonded to all buried water and gas lines

3. - G1A05

On which of the following frequencies are General class licensees prohibited from operating as control operator?

Select	Answer
A	7.125 MHz to 7.175 MHz
B	All these choices are correct
C	21.275 MHz to 21.300 MHz
D	28.000 MHz to 28.025 MHz

4. - G1B05

Which of the following one-way transmissions are permitted?

Select	Answer
A	Regular transmissions offering equipment for sale, if intended for amateur radio use
B	Transmissions to assist with learning the International Morse code
C	All these choices are correct
D	Unidentified test transmissions of less than 10 seconds in duration

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	1200 baud
C	56 kilobaud
D	300 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	There are no requirements other than being able to show a copy of the expired 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	They must have a letter from the FCC showing they once held an amateur or commercial license

7. - G1E07

In what part of the 2.4 GHz band may an amateur station communicate with non-licensed Wi-Fi stations?

Select	Answer
A	Channels 42 through 45
B	No part
C	Anywhere in the band
D	Channels 1 through 4

8. - G2A08

What is the recommended way to break into a phone contact?

Select	Answer
A	Say “QRZ” several times, followed by your call sign
B	Say “CQ” followed by the call sign of either station
C	Say your call sign once
D	Say “Breaker Breaker”

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

10. - G2C10

What does the Q signal “QRN” mean?

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

11. - G2D10

What is QRP operation?

Select	Answer
A	Low-power transmit operation
B	Transmission using Quick Response Protocol
C	Traffic relay procedure net operation
D	Remote piloted model control

12. - G2E01

Which mode is normally used when sending RTTY signals via AFSK with an SSB transmitter?

Select	Answer
A	USB
B	DSB
C	LSB
D	CW

13. - G3A07

At what point in the solar cycle does the 20-meter band usually support worldwide propagation during daylight hours?

Select	Answer
A	Only at the maximum point
B	At the summer solstice
C	At any point
D	Only at the minimum point

14. - G3B12

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

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

15. - G3C10

What is near vertical incidence skywave (NVIS) propagation?

Select	Answer
A	Long path HF propagation at sunrise and sunset
B	Double hop propagation near the LUF
C	Propagation near the MUF
D	Short distance MF or HF propagation at high elevation angles

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

17. - G4B12

What effect can strong signals from nearby transmitters have on an antenna analyzer?

Select	Answer
A	Desensitization which can cause intermodulation products which interfere with impedance readings
B	Generation of harmonics which interfere with frequency readings
C	All these choices are correct
D	Received power that interferes with SWR readings

18. - G4C05

What is a possible cause of high voltages that produce RF burns?

Select	Answer
A	Flat braid rather than round wire has been used for the ground wire
B	The ground rod is resonant
C	Insulated wire has been used for the ground wire
D	The ground wire has high impedance on that frequency

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

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 battery charging system
C	The fuel delivery system
D	All these choices are correct

21. - G5A11

What letter is used to represent reactance?

Select	Answer
A	Y
B	B
C	X
D	Z

22. - G5B08

What is the peak-to-peak voltage of a sine wave with an RMS voltage of 120 volts?

Select	Answer
A	240.0 volts
B	169.7 volts
C	84.8 volts
D	339.4 volts

23. - G5C01

What causes a voltage to appear across the secondary winding of a transformer when an AC voltage source is connected across its primary winding?

Select	Answer
A	Mutual capacitance
B	Mutual inductance
C	Displacement current coupling
D	Capacitive coupling

24. - G6A10

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

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

25. - G6B02

What is meant by the term MMIC?

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

26. - G7A10

Which symbol in figure G7-1 represents a Zener diode?

Select	Answer
A	Symbol 5
B	Symbol 1
C	Symbol 4
D	Symbol 11

27. - G7B07

Which of the following are basic components of a sine wave oscillator?

Select	Answer
A	An amplifier and a divider
B	A frequency multiplier and a mixer
C	A filter and an amplifier operating in a feedback loop
D	A circulator and a filter operating in a feed-forward loop

28. - G7C06

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

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

29. - G8A13

What is a link budget?

Select	Answer
A	The sum of transmit power and antenna gains minus system losses as seen at the receiver
B	The financial costs associated with operating a radio link
C	The sum of antenna gains minus system losses
D	The difference between transmit power and receiver sensitivity

30. - G8B07

What is the frequency deviation for a 12.21 MHz reactance modulated oscillator in a 5 kHz deviation, 146.52 MHz FM phone transmitter?

Select	Answer
A	101.75 Hz
B	416.7 Hz
C	60 kHz
D	5 kHz

31. - G8C12

Which type of code is used for sending characters in a PSK31 signal?

Select	Answer
A	Volumetric
B	Binary
C	Viterbi
D	Varicode

32. - G9A08

If the SWR on an antenna feed line is 5:1, and a matching network at the transmitter end of the feed line is adjusted to present a 1:1 SWR to the transmitter, what is the resulting SWR on the feed line?

Select	Answer
A	5:1
B	1:1
C	Between 1:1 and 5:1 depending on the characteristic impedance of the line
D	Between 1:1 and 5:1 depending on the reflected power at the transmitter

33. - G9B01

What is a characteristic of a random-wire HF antenna connected directly to the transmitter?

Select	Answer
A	It is more effective on the lower HF bands than on the higher bands
B	Station equipment may carry significant RF current
C	It must be longer than 1 wavelength
D	It produces only vertically polarized radiation

34. - G9C05

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

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

35. - G9D05

What is an advantage of vertically stacking horizontally polarized Yagi antennas?

Select	Answer
A	It allows simultaneous vertical and horizontal polarization
B	It allows quick selection of vertical or horizontal polarization
C	It narrows the main lobe in azimuth
D	It narrows the main lobe in elevation

Figure G7-1