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

Anonymous User

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

Logging in (or registering) will help the system to select questions that you need to focus on.

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	Position the antenna along the edge of a wall to reduce parasitic radiation
C	Locate the antenna close to your operating position to minimize feed-line radiation
D	Make sure that MPE limits are not exceeded in occupied areas

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	Outside the building
C	Next to the closest power pole
D	Parallel to the water supply line

3. - G1A08

Which HF bands have segments exclusively allocated to Amateur Extra licensees?

Select	Answer
A	60 meters, 30 meters, 17 meters, and 12 meters
B	All HF bands
C	All HF bands except 160 meters and 10 meters
D	80 meters, 40 meters, 20 meters, and 15 meters

4. - G1B10

What is the power limit for beacon stations?

Select	Answer
A	200 watts PEP output
B	20 watts PEP output
C	100 watts PEP output
D	10 watts PEP output

5. - G1C09

What is the maximum power limit on the 60-meter band?

Select	Answer
A	ERP of 100 watts PEP with respect to a dipole
B	10 watts RMS
C	ERP of 100 watts PEP with respect to an isotropic antenna
D	1500 watts PEP

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

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 not a US citizen
B	All these choices are correct
C	The third party’s amateur license has been revoked and not reinstated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	Lower sideband
C	Upper sideband
D	Suppressed sideband

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

10. - G2C09

What does the Q signal “QSL” mean?

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

11. - G2D08

Why do many amateurs keep a station log?

Select	Answer
A	The FCC requires a log of all international third-party traffic
B	The FCC requires a log of all international contacts
C	The log provides evidence of operation needed to renew a license without retest
D	To help with a reply if the FCC requests information about your station

12. - G2E01

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

Select	Answer
A	DSB
B	USB
C	LSB
D	CW

13. - G3A01

How does a higher sunspot number affect HF propagation?

Select	Answer
A	A zero sunspot number indicates that radio propagation is not possible on any band
B	A zero sunspot number indicates undisturbed conditions
C	Higher sunspot numbers generally indicate a greater probability of good propagation at higher frequencies
D	Lower sunspot numbers generally indicate greater probability of sporadic E propagation

14. - G3B11

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

Select	Answer
A	Propagation via ordinary skywave communications is not possible over that path
B	Propagation over the path on all HF frequencies is enhanced
C	HF communications over the path are enhanced
D	Double-hop propagation along the path is more common

15. - G3C11

Which ionospheric region is the most absorbent of signals below 10 MHz during daylight hours?

Select	Answer
A	The E region
B	The F2 region
C	The D region
D	The F1 region

16. - G4A02

What is the benefit of using the opposite or “reverse” sideband when receiving CW?

Select	Answer
A	It may be possible to reduce or eliminate interference from other signals
B	Accidental out-of-band operation can be prevented
C	Interference from impulse noise will be eliminated
D	More stations can be accommodated within a given signal passband

17. - G4B13

Which of the following can be measured with an antenna analyzer?

Select	Answer
A	Gain of a directional antenna
B	Front-to-back ratio of an antenna
C	Impedance of coaxial cable
D	Power output from a transmitter

18. - G4C04

What sound is heard from an audio device experiencing RF interference from a CW transmitter?

Select	Answer
A	Severely distorted audio
B	On-and-off humming or clicking
C	A chirpy CW signal
D	A CW signal at a nearly pure audio frequency

19. - G4D09

What frequency range is occupied by a 3 kHz USB signal with the displayed carrier frequency set to 14.347 MHz?

Select	Answer
A	14.344 MHz to 14.347 MHz
B	14.347 MHz to 14.350 MHz
C	14.347 MHz to 14.647 MHz
D	14.3455 MHz to 14.3485 MHz

20. - G4E01

What is the purpose of a capacitance hat on a mobile antenna?

Select	Answer
A	To increase the power handling capacity of a whip antenna
B	To electrically lengthen a physically short antenna
C	To reduce radiation resistance
D	To lower the radiation angle

21. - G5A07

What is the term for the inverse of impedance?

Select	Answer
A	Admittance
B	Susceptance
C	Reluctance
D	Conductance

22. - G5B10

What percentage of power loss is equivalent to a loss of 1 dB?

Select	Answer
A	10.9 percent
B	20.6 percent
C	25.9 percent
D	12.2 percent

23. - G5C10

What is the inductance of three 10-millihenry inductors connected in parallel?

Select	Answer
A	0.30 henries
B	3.3 millihenries
C	3.3 henries
D	30 millihenries

24. - G6A03

What is the approximate forward threshold voltage of a germanium diode?

Select	Answer
A	0.3 volts
B	0.7 volts
C	1.0 volts
D	0.1 volt

25. - G6B11

What is an SMA connector?

Select	Answer
A	A connector designed for serial multiple access signals
B	A small threaded connector suitable for signals up to several GHz
C	A type-S to type-M adaptor
D	A type of push-on connector intended for high-voltage applications

26. - G7A08

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

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

27. - G7B06

What is a shift register?

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

28. - G7C12

What is the frequency above which a low-pass filter’s output power is less than half the input power?

Select	Answer
A	Cutoff frequency
B	Neper frequency
C	Rolloff frequency
D	Notch frequency

29. - G8A02

What is the name of the process that changes the phase angle of an RF signal to convey information?

Select	Answer
A	Phase transformation
B	Phase convolution
C	Phase modulation
D	Phase inversion

30. - G8B05

Which intermodulation products are closest to the original signal frequencies?

Select	Answer
A	Second harmonics
B	Odd-order
C	Even-order
D	Intercept point

31. - G8C11

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

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

32. - G9A04

What causes reflected power at an antenna’s feed point?

Select	Answer
A	Using more transmitter power than the antenna can handle
B	Operating an antenna at its resonant frequency
C	A difference between feed line impedance and antenna feed point impedance
D	Feeding the antenna with unbalanced feed line

33. - G9B02

Which of the following is a common way to adjust the feed point impedance of an elevated quarter-wave ground-plane vertical antenna to be approximately 50 ohms?

Select	Answer
A	Slope the radials upward
B	Lengthen the radials beyond one wavelength
C	Coil the radials
D	Slope the radials downward

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	Closer element spacing
C	Larger-diameter elements
D	Tapered-diameter elements

35. - G9D03

In which direction is the maximum radiation from a VHF/UHF “halo” antenna?

Select	Answer
A	On the same side as the feed point
B	Opposite the feed point
C	Omnidirectional in the plane of the halo
D	Broadside to the plane of the halo