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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?

SelectAnswer
AContact the FCC for permission to transmit
BPerform an RF exposure evaluation in accordance with World Meteorological Organization guidelines
CUse an FCC-approved band-pass filter
DPerform an RF Exposure Evaluation in accordance with FCC OET Bulletin 65

2. - G0B13

Where should lightning arrestors be located?

SelectAnswer
AWhere the feed lines enter the building
BOn the antenna, opposite the feed point
CAt the closest power pole ground electrode
DIn series with each ground lead

3. - G1A08

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

SelectAnswer
A80 meters, 40 meters, 20 meters, and 15 meters
BAll HF bands
C60 meters, 30 meters, 17 meters, and 12 meters
DAll HF bands except 160 meters and 10 meters

4. - G1B02

With which of the following conditions must beacon stations comply?

SelectAnswer
ANo more than one beacon station may transmit in the same band from the same station location
BThe frequency must be coordinated with the National Beacon Organization
CAll these choices are correct
DThe frequency must be posted on the internet or published in a national periodical

5. - G1C03

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

SelectAnswer
A5.6 kHz
B2.8 kHz
C1.8 kHz
D3 kHz

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?

SelectAnswer
AThey must have a letter from the FCC showing they once held an amateur or commercial license
BThe applicant must show proof of the appropriate expired license grant and pass the current Element 2 exam
CContact the FCC to have the license reinstated
DThere are no requirements other than being able to show a copy of the expired license

7. - G1E05

What are the restrictions on messages sent to a third party in a country with which there is a Third-Party Agreement?

SelectAnswer
AThe message must be limited to no longer than 1 minute in duration and the name of the third party must be recorded in the station log
BThey must relate to amateur radio, or remarks of a personal character, or messages relating to emergencies or disaster relief
CThey must be for other licensed amateurs
DThey must relate to emergencies or disaster relief

8. - G2A09

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

SelectAnswer
ABecause it is fully compatible with an AM detector
BLower sideband is the only sideband legal on these frequency bands
CIt is commonly accepted amateur practice
DLower sideband is more efficient than upper sideband at these frequencies

9. - G2B09

Who may be the control operator of an amateur station transmitting in RACES to assist relief operations during a disaster?

SelectAnswer
AOnly a person holding an FCC-issued amateur operator license
BAny control operator when normal communication systems are operational
COnly a RACES net control operator
DA person holding an FCC-issued amateur operator license or an appropriate government official

10. - G2C06

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

SelectAnswer
AMatching the transmit frequency to the frequency of a received signal
BOperating split to avoid interference on frequency
CMatching the speed of the transmitting station
DSending without error

11. - G2D01

What is the Volunteer Monitor Program?

SelectAnswer
AAmateur volunteers who conduct amateur licensing examinations
BAmateur volunteers who use their station equipment to help civil defense organizations in times of emergency
CAmateur volunteers who are formally enlisted to monitor the airwaves for rules violations
DAmateur 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?

SelectAnswer
ATo provide high-speed data services during an emergency or community event
BTo provide DX spotting reports to aid contesters and DXers
CTo provide FM repeater coverage in remote areas
DTo provide real time propagation data by monitoring amateur radio transmissions worldwide

13. - G3A04

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

SelectAnswer
A15 meters, 12 meters, and 10 meters
B80 meters and 160 meters
C30 meters and 20 meters
D60 meters and 40 meters

14. - G3B04

Which of the following is a way to determine current propagation on a desired band from your station?

SelectAnswer
ASend a series of dots and listen for echoes
BUse a network of automated receiving stations on the internet to see where your transmissions are being received
CCheck the A-index
DAll these choices are correct

15. - G3C09

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

SelectAnswer
AFaraday rotation
BChordal hop
CShort-path
DScatter

16. - G4A12

Which of the following is a common use of the dual-VFO feature on a transceiver?

SelectAnswer
ATo improve frequency accuracy by allowing variable frequency output (VFO) operation
BTo permit full duplex operation -- that is, transmitting and receiving at the same time
CTo transmit on one frequency and listen on another
DTo allow transmitting on two frequencies at once

17. - G4B06

What is an advantage of a digital multimeter as compared to an analog multimeter?

SelectAnswer
AFaster response
BLess prone to overload
CBetter for measuring computer circuits
DHigher precision

18. - G4C04

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

SelectAnswer
ASeverely distorted audio
BA chirpy CW signal
COn-and-off humming or clicking
DA CW signal at a nearly pure audio frequency

19. - G4D04

What does an S meter measure?

SelectAnswer
AImpedance
BCarrier suppression
CReceived signal strength
DTransmitter power output

20. - G4E06

What is one disadvantage of using a shortened mobile antenna as opposed to a full-size antenna?

SelectAnswer
AQ of the antenna will be very low
BShort antennas are more likely to cause distortion of transmitted signals
COperating bandwidth may be very limited
DHarmonic radiation may increase

21. - G5A12

What occurs in an LC circuit at resonance?

SelectAnswer
ACurrent and voltage are equal
BInductive reactance and capacitive reactance cancel
CResistance is cancelled
DThe circuit radiates all its energy in the form of radio waves

22. - G5B10

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

SelectAnswer
A10.9 percent
B25.9 percent
C20.6 percent
D12.2 percent

23. - G5C08

What is the equivalent capacitance of two 5.0-nanofarad capacitors and one 750-picofarad capacitor connected in parallel?

SelectAnswer
A10.750 nanofarads
B1,733 picofarads
C3,583 picofarads
D576.9 nanofarads

24. - G6A05

What is the approximate forward threshold voltage of a silicon junction diode?

SelectAnswer
A0.7 volts
B0.3 volts
C1.0 volts
D0.1 volt

25. - G6B11

What is an SMA connector?

SelectAnswer
AA small threaded connector suitable for signals up to several GHz
BA type of push-on connector intended for high-voltage applications
CA type-S to type-M adaptor
DA connector designed for serial multiple access signals

26. - G7A04

What is characteristic of a half-wave rectifier in a power supply?

SelectAnswer
AMore current can be drawn from the half-wave rectifier
BOnly one diode is required
CThe ripple frequency is twice that of a full-wave rectifier
DThe output voltage is two times the peak input voltage

27. - G7B11

For which of the following modes is a Class C power stage appropriate for amplifying a modulated signal?

SelectAnswer
AAll these choices are correct
BFM
CSSB
DAM

28. - G7C14

The bandwidth of a band-pass filter is measured between what two frequencies?

SelectAnswer
AUpper and lower half-power
BPole and zero
CCutoff and rolloff
DImage and harmonic

29. - G8A08

Which of the following is an effect of overmodulation?

SelectAnswer
AExcessive bandwidth
BInsufficient audio
CInsufficient bandwidth
DFrequency drift

30. - G8B05

Which intermodulation products are closest to the original signal frequencies?

SelectAnswer
ASecond harmonics
BEven-order
CIntercept point
DOdd-order

31. - G8C11

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

SelectAnswer
AOn and off
BHigh and low
CDot and dash
DMark and space

32. - G9A06

In what units is RF feed line loss usually expressed?

SelectAnswer
ADecibels per 100 feet
BDecibels per 1,000 feet
COhms per 1,000 feet
DOhms per 100 feet

33. - G9B08

How does the feed point impedance of a 1/2 wave dipole change as the feed point is moved from the center toward the ends?

SelectAnswer
AIt peaks at about 1/8 wavelength from the end
BIt steadily increases
CIt is unaffected by the location of the feed point
DIt steadily decreases

34. - G9C08

What is meant by the “main lobe” of a directive antenna?

SelectAnswer
AThe point of maximum current in a radiating antenna element
BThe direction of maximum radiated field strength from the antenna
CThe magnitude of the maximum vertical angle of radiation
DThe maximum voltage standing wave point on a radiating element

35. - G9D04

What is the primary function of antenna traps?

SelectAnswer
ATo enable multiband operation
BTo provide balanced feed point impedance
CTo prevent out-of-band operation
DTo notch spurious frequencies