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

2. - G0B09

Which of the following is true of an emergency generator installation?

Select	Answer
A	All these choices are correct
B	The generator must be insulated from ground
C	Fuel should be stored near the generator for rapid refueling in case of an emergency
D	The generator should be operated in a well-ventilated area

3. - G1A01

On which HF and/or MF amateur bands are there portions where General class licensees cannot transmit?

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

4. - G1B10

What is the power limit for beacon stations?

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

5. - G1C08

What is the maximum symbol rate permitted for RTTY or data emission transmitted at frequencies below 28 MHz?

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

6. - G1D08

Which of the following criteria must be met for a non-US citizen to be an accredited Volunteer Examiner?

Select	Answer
A	None of these choices is correct; a non-US citizen cannot be a Volunteer Examiner
B	The person must be a resident of the US for a minimum of 5 years
C	The person’s home citizenship must be in ITU region 2
D	The person must hold an FCC granted amateur radio license of General class or above

7. - G1E04

Which of the following conditions require a licensed amateur radio operator to take specific steps to avoid harmful interference to other users or facilities?

Select	Answer
A	When using a band where the Amateur Service is secondary
B	When a station is transmitting spread spectrum emissions
C	When operating within one mile of an FCC Monitoring Station
D	All these choices are correct

8. - G2A12

What control is typically adjusted for proper ALC setting on a single sideband transceiver?

Select	Answer
A	Antenna inductance or capacitance
B	RF clipping level
C	Transmit audio or microphone gain
D	Attenuator level

9. - G2B01

Which of the following is true concerning access to frequencies?

Select	Answer
A	QSOs in progress have priority
B	Contest operations should yield to non-contest use of frequencies
C	Except during emergencies, no amateur station has priority access to any frequency
D	Nets have priority

10. - G2C10

What does the Q signal “QRN” mean?

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

11. - G2D07

Which of the following are examples of the NATO Phonetic Alphabet?

Select	Answer
A	Alpha, Bravo, Charlie, Delta
B	America, Boston, Canada, Denmark
C	Adam, Boy, Charles, David
D	Able, Baker, Charlie, Dog

12. - G2E06

What is the most common frequency shift for RTTY emissions in the amateur HF bands?

Select	Answer
A	850 Hz
B	85 Hz
C	425 Hz
D	170 Hz

13. - G3A11

How long does it take a coronal mass ejection to affect radio propagation on Earth?

Select	Answer
A	4 to 8 minutes
B	28 days
C	15 hours to several days
D	14 days

14. - G3B10

What is the approximate maximum distance along the Earth’s surface normally covered in one hop using the E region?

Select	Answer
A	2,500 miles
B	1,200 miles
C	180 miles
D	12,000 miles

15. - G3C06

What is a characteristic of HF scatter?

Select	Answer
A	Scatter propagation occurs only at night
B	Phone signals have high intelligibility
C	There are very large, sudden swings in signal strength
D	Signals have a fluttering sound

16. - G4A11

Why should the ALC system be inactive when transmitting AFSK data signals?

Select	Answer
A	The ALC action distorts the signal
B	ALC will invert the modulation of the AFSK mode
C	All these choices are correct
D	When using digital modes, too much ALC activity can cause the transmitter to overheat

17. - G4B12

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

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

18. - G4C04

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

Select	Answer
A	A chirpy CW signal
B	On-and-off humming or clicking
C	Severely distorted audio
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	14.3455 MHz to 14.3485 MHz
D	14.347 MHz to 14.647 MHz

20. - G4E11

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

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

21. - G5A03

Which of the following is opposition to the flow of alternating current in an inductor?

Select	Answer
A	Reluctance
B	Admittance
C	Conductance
D	Reactance

22. - G5B03

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

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

23. - G5C12

What is the capacitance of a 20-microfarad capacitor connected in series with a 50-microfarad capacitor?

Select	Answer
A	1,000 microfarads
B	14.3 microfarads
C	70 microfarads
D	0.07 microfarads

24. - G6A12

What is the primary purpose of a screen grid in a vacuum tube?

Select	Answer
A	To increase the control grid resistance
B	To decrease plate resistance
C	To increase efficiency
D	To reduce grid-to-plate capacitance

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. - G7A06

What portion of the AC cycle is converted to DC by a full-wave rectifier?

Select	Answer
A	270 degrees
B	90 degrees
C	180 degrees
D	360 degrees

27. - G7B01

What is the purpose of neutralizing an amplifier?

Select	Answer
A	To limit the modulation index
B	To cut off the final amplifier during standby periods
C	To eliminate self-oscillations
D	To keep the carrier on frequency

28. - G7C14

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

Select	Answer
A	Image and harmonic
B	Cutoff and rolloff
C	Upper and lower half-power
D	Pole and zero

29. - G8A07

Which of the following phone emissions uses the narrowest bandwidth?

Select	Answer
A	Vestigial sideband
B	Single sideband
C	Phase modulation
D	Frequency modulation

30. - G8B01

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

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

31. - G8C10

How does forward error correction (FEC) allow the receiver to correct data errors?

Select	Answer
A	By controlling transmitter output power for optimum signal strength
B	By using the Varicode character set
C	By using a parity bit with each character
D	By transmitting redundant information with the data

32. - G9A01

Which of the following factors determine the characteristic impedance of a parallel conductor feed line?

Select	Answer
A	The frequency of the signal and the length of the line
B	The distance between the centers of the conductors and the radius of the conductors
C	The distance between the centers of the conductors and the length of the line
D	The radius of the conductors and the frequency of the signal

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

34. - G9C03

How do the lengths of a three-element Yagi reflector and director compare to that of the driven element?

Select	Answer
A	The reflector is longer, and the director is shorter
B	Relative length depends on the frequency of operation
C	They are all the same length
D	The reflector is shorter, and the director is longer

35. - G9D09

What is the primary use of a Beverage antenna?

Select	Answer
A	Directional receiving for MF and low HF bands
B	Directional transmitting for low HF bands
C	Portable direction finding at lower HF frequencies
D	Portable direction finding at higher HF frequencies