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

2. - G0B11

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

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

3. - G1A08

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

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

4. - G1B04

Which of the following transmissions is permitted for all amateur stations?

Select	Answer
A	Occasional retransmission of weather and propagation forecast information from US government stations
B	Unidentified transmissions of less than 10 seconds duration for test purposes only
C	Automatic retransmission of other amateur signals by any amateur station
D	Encrypted messages, if not intended to facilitate a criminal act

5. - G1C11

What measurement is specified by FCC rules that regulate maximum power?

Select	Answer
A	PEP output from the transmitter
B	RMS output from the transmitter
C	PEP input to the antenna
D	RMS input to the antenna

6. - G1D03

On which of the following band segments may you operate if you are a Technician class operator and have an unexpired Certificate of Successful Completion of Examination (CSCE) for General class privileges?

Select	Answer
A	Only the Technician band segments until your upgrade is posted in the FCC database
B	Only on the Technician band segments until you have a receipt for the FCC application fee payment
C	On any General or Technician class band segment
D	On any General or Technician class band segment except 30 meters and 60 meters

7. - G1E12

When may third-party messages be transmitted via remote control?

Select	Answer
A	Under no circumstances except for emergencies
B	Only when the message is intended for third parties in areas where licensing is controlled by the FCC
C	Only when the message is intended for licensed radio amateurs
D	Under any circumstances in which third party messages are permitted by FCC rules

8. - G2A02

Which mode is most commonly used for voice communications on the 160-, 75-, and 40-meter bands?

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

9. - G2B10

Which of the following is good amateur practice for net management?

Select	Answer
A	Have a backup frequency in case of interference or poor conditions
B	Transmit the full net roster at the beginning of every session
C	All these choices are correct
D	Always use multiple sets of phonetics during check-in

10. - G2C06

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

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

11. - G2D01

What is the Volunteer Monitor Program?

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

12. - G2E11

What is the primary purpose of an Amateur Radio Emergency Data Network (AREDN) mesh network?

Select	Answer
A	To provide FM repeater coverage in remote areas
B	To provide DX spotting reports to aid contesters and DXers
C	To provide high-speed data services during an emergency or community event
D	To provide real time propagation data by monitoring amateur radio transmissions worldwide

13. - G3A03

Approximately how long does it take the increased ultraviolet and X-ray radiation from a solar flare to affect radio propagation on Earth?

Select	Answer
A	28 days
B	1 to 2 hours
C	8 minutes
D	20 to 40 hours

14. - G3B11

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

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

15. - G3C09

What type of propagation allows signals to be heard in the transmitting station’s skip zone?

Select	Answer
A	Short-path
B	Faraday rotation
C	Chordal hop
D	Scatter

16. - G4A01

What is the purpose of the notch filter found on many HF transceivers?

Select	Answer
A	To restrict the transmitter voice bandwidth
B	To remove interfering splatter generated by signals on adjacent frequencies
C	To reduce interference from carriers in the receiver passband
D	To eliminate receiver interference from impulse noise sources

17. - G4B11

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

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

18. - G4C02

Which of the following could be a cause of interference covering a wide range of frequencies?

Select	Answer
A	Using a balun to feed an unbalanced antenna
B	Not using a balun or line isolator to feed balanced antennas
C	Arcing at a poor electrical connection
D	Lack of rectification of the transmitter’s signal in power conductors

19. - G4D06

How much change in signal strength is typically represented by one S unit?

Select	Answer
A	18 dB
B	12 dB
C	15 dB
D	6 dB

20. - G4E11

What precaution should be taken when connecting a solar panel to a lithium iron phosphate battery?

Select	Answer
A	Ensure the battery is placed terminals-up
B	Ground the solar panel outer metal framework
C	A series resistor must be in place
D	The solar panel must have a charge controller

21. - G5A11

What letter is used to represent reactance?

Select	Answer
A	B
B	Z
C	Y
D	X

22. - G5B03

How many watts of electrical power are consumed if 400 VDC is supplied to an 800-ohm load?

Select	Answer
A	0.5 watts
B	3200 watts
C	400 watts
D	200 watts

23. - G5C14

Which of the following components should be added to an inductor to increase the inductance?

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

24. - G6A03

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

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

25. - G6B06

What kind of device is an integrated circuit operational amplifier?

Select	Answer
A	Digital
B	Programmable Logic
C	Analog
D	MMIC

26. - G7A02

Which of the following components are used in a power supply filter network?

Select	Answer
A	Capacitors and inductors
B	All these choices are correct
C	Diodes
D	Transformers and transducers

27. - G7B05

How many states does a 3-bit binary counter have?

Select	Answer
A	8
B	3
C	16
D	6

28. - G7C02

What output is produced by a balanced modulator?

Select	Answer
A	Double-sideband modulated RF
B	Audio extracted from the modulation signal
C	Frequency modulated RF
D	Audio with equalized frequency response

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 modulation
B	Phase convolution
C	Phase transformation
D	Phase inversion

30. - G8B01

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

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

31. - G8C13

What is indicated on a waterfall display by one or more vertical lines on either side of a data mode or RTTY signal?

Select	Answer
A	Insufficient modulation
B	Backscatter propagation
C	Overmodulation
D	Long path propagation

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

33. - G9B10

What is the approximate length for a 1/2 wave dipole antenna cut for 14.250 MHz?

Select	Answer
A	33 feet
B	24 feet
C	8 feet
D	16 feet

34. - G9C11

What is a beta or hairpin match?

Select	Answer
A	A series capacitor selected to cancel the inductive reactance of a folded dipole antenna
B	A shorted transmission line stub placed at the feed point of a Yagi antenna to provide impedance matching
C	A 1/4 wavelength section of 75-ohm coax in series with the feed point of a Yagi to provide impedance matching
D	A section of 300-ohm twin-lead transmission line used to match a folded dipole antenna

35. - G9D01

Which of the following antenna types will be most effective as a near vertical incidence skywave (NVIS) antenna for short-skip communications on 40 meters during the day?

Select	Answer
A	A vertical antenna placed between 1/4 and 1/2 wavelength above the ground
B	A vertical dipole placed at approximately 1/2 wavelength above the ground
C	A horizontal dipole placed between 1/10 and 1/4 wavelength above the ground
D	A horizontal dipole placed at approximately 1/2 wavelength above the ground