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. - G0A08

Which of the following steps must an amateur operator take to ensure compliance with RF safety regulations?

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

2. - G0B09

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

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

3. - G1A01

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

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

4. - G1B08

When is it permissible to communicate with amateur stations in countries outside the areas administered by the Federal Communications Commission?

Select	Answer
A	Only when the contact is with amateurs licensed by a country which is a member of the International Amateur Radio Union, or by a territory possessed by such a country
B	Only when the foreign country has a formal third-party agreement filed with the FCC
C	When the contact is with amateurs in any country except those whose administrations have notified the ITU that they object to such communications
D	Only when the contact is with amateurs licensed by a country which is a member of the United Nations, or by a territory possessed by such a country

5. - G1C06

What is the limit for transmitter power on the 1.8 MHz band?

Select	Answer
A	1200 watts PEP output
B	1000 watts PEP output
C	200 watts PEP output
D	1500 watts PEP output

6. - G1D01

Who may receive partial credit for the elements represented by an expired amateur radio license?

Select	Answer
A	Only persons who once held an FCC issued Novice, Technician, or Technician Plus license
B	Any person who can demonstrate that they once held an FCC-issued General, Advanced, or Amateur Extra class license that was not revoked by the FCC
C	Anyone who held an FCC-issued amateur radio license that expired not less than 5 and not more than 15 years ago
D	Any person who previously held an amateur license issued by another country, but only if that country has a current reciprocal licensing agreement with the FCC

7. - G1E10

Why should an amateur operator normally avoid transmitting on 14.100, 18.110, 21.150, 24.930 and 28.200 MHz?

Select	Answer
A	A system of automatic digital stations operates on those frequencies
B	These frequencies are set aside for emergency operations
C	A system of propagation beacon stations operates on those frequencies
D	These frequencies are set aside for bulletins from the FCC

8. - G2A08

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

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

9. - G2B10

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

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

10. - G2C03

What does it mean when a CW operator sends “KN” at the end of a transmission?

Select	Answer
A	Operating full break-in
B	No US stations should call
C	Listening only for a specific station or stations
D	Closing station now

11. - G2D05

Which of the following indicates that you are looking for an HF contact with any station?

Select	Answer
A	Transmit an unmodulated carried for approximately 10 seconds, followed by “this is” and your call sign, and pause to listen -- repeat as necessary
B	Sign your call sign once, followed by the words “listening for a call” -- if no answer, change frequency and repeat
C	Repeat “CQ” a few times, followed by “this is,” then your call sign a few times, then pause to listen, repeat as necessary
D	Say “QTC” followed by “this is” and your call sign -- if no answer, change frequency and repeat

12. - G2E07

Which of the following is required when using FT8?

Select	Answer
A	Computer time accurate to within approximately 1 second
B	A special hardware modem
C	A vertically polarized antenna
D	Receiver attenuator set to -12 dB

13. - G3A01

How does a higher sunspot number affect HF propagation?

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

14. - G3B09

What is the approximate maximum distance along the Earth’s surface normally covered in one hop using the F2 region?

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

15. - G3C08

Why are HF scatter signals in the skip zone usually weak?

Select	Answer
A	Signals are scattered from the magnetosphere, which is not a good reflector
B	Propagation is via ducts in the F region, which absorb most of the energy
C	Propagation is via ground waves, which absorb most of the signal energy
D	Only a small part of the signal energy is scattered into the skip zone

16. - G4A05

Why is automatic level control (ALC) used with an RF power amplifier?

Select	Answer
A	To prevent excessive drive
B	To reduce harmonic radiation
C	To balance the transmitter audio frequency response
D	To increase overall efficiency

17. - G4B07

What signals are used to conduct a two-tone test?

Select	Answer
A	Two swept frequency tones
B	Two audio signals of the same frequency shifted 90 degrees
C	Two non-harmonically related audio signals
D	Two audio frequency range square wave signals of equal amplitude

18. - G4C12

Why must all metal enclosures of station equipment be grounded?

Select	Answer
A	It ensures that the neutral wire is grounded
B	It prevents signal overload
C	It ensures that hazardous voltages cannot appear on the chassis
D	It prevents a blown fuse in the event of an internal short circuit

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	14.347 MHz to 14.350 MHz
B	14.344 MHz to 14.347 MHz
C	14.3455 MHz to 14.3485 MHz
D	14.347 MHz to 14.647 MHz

20. - G4E08

In what configuration are the individual cells in a solar panel connected together?

Select	Answer
A	Bypass
B	Series-parallel
C	Shunt
D	Full-wave bridge

21. - G5A05

How does an inductor react to AC?

Select	Answer
A	As the amplitude of the applied AC increases, the reactance increases
B	As the amplitude of the applied AC increases, the reactance decreases
C	As the frequency of the applied AC increases, the reactance increases
D	As the frequency of the applied AC increases, the reactance decreases

22. - G5B03

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

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

23. - G5C03

What is the total resistance of a 10-, a 20-, and a 50-ohm resistor connected in parallel?

Select	Answer
A	5.9 ohms
B	17 ohms
C	0.17 ohms
D	80 ohms

24. - G6A06

Why should wire-wound resistors not be used in RF circuits?

Select	Answer
A	The resistor could overheat
B	The resistor’s inductance could make circuit performance unpredictable
C	The resistor’s internal capacitance would detune the circuit
D	The resistor’s tolerance value would not be adequate

25. - G6B12

Which of these connector types is commonly used for low frequency or dc signal connections to a transceiver?

Select	Answer
A	Type N
B	BNC
C	PL-259
D	RCA Phono

26. - G7A11

Which symbol in figure G7-1 represents an NPN junction transistor?

Select	Answer
A	Symbol 2
B	Symbol 1
C	Symbol 7
D	Symbol 11

27. - G7B05

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

Select	Answer
A	6
B	16
C	3
D	8

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	Rolloff frequency
C	Neper frequency
D	Notch frequency

29. - G8A09

What type of modulation is used by FT8?

Select	Answer
A	Vestigial sideband
B	8-tone frequency shift keying
C	8-bit direct sequence spread spectrum
D	Amplitude compressed AM

30. - G8B10

What is the relationship between transmitted symbol rate and bandwidth?

Select	Answer
A	Lower symbol rates require wider bandwidth
B	Symbol rate and bandwidth are not related
C	Bandwidth is half the symbol rate
D	Higher symbol rates require wider bandwidth

31. - G8C02

Which digital mode is used as a low-power beacon for assessing HF propagation?

Select	Answer
A	SSB-SC
B	MFSK16
C	WSPR
D	PSK31

32. - G9A01

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

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

33. - G9B12

What is the approximate length for a 1/4 wave monopole antenna cut for 28.5 MHz?

Select	Answer
A	11 feet
B	8 feet
C	21 feet
D	16 feet

34. - G9C02

What is the approximate length of the driven element of a Yagi antenna?

Select	Answer
A	1 wavelength
B	1/4 wavelength
C	3/4 wavelength
D	1/2 wavelength

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 at approximately 1/2 wavelength above the ground
D	A horizontal dipole placed between 1/10 and 1/4 wavelength above the ground

Figure G7-1