Practice Exam

G1D11

1. 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?

• 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. There are no requirements other than being able to show a copy of the expired license
• D. They must have a letter from the FCC showing they once held an amateur or commercial license

G2E05

2. What is the standard sideband for JT65, JT9, FT4, or FT8 digital signal when using AFSK?

• A. USB
• B. LSB
• C. SSB
• D. DSB

G3B07

3. What does LUF stand for?

• A. Lowest Usable Frequency during the past 60 minutes
• B. The Lowest Usable Frequency for communications between two specific points
• C. The Lowest Usable Frequency during a 24-hour period
• D. Lowest Usable Frequency for communications to any point outside a 100-mile radius

G2A01

4. Which mode is most commonly used for voice communications on frequencies of 14 MHz or higher?

• A. Lower sideband
• B. Upper sideband
• C. Double sideband
• D. Suppressed sideband

G5A11

5. What letter is used to represent reactance?

• A. B
• B. Z
• C. Y
• D. X

G5C10

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

• A. 0.30 henries
• B. 3.3 henries
• C. 3.3 millihenries
• D. 30 millihenries

G0A02

7. Which of the following is used to determine RF exposure from a transmitted signal?

• A. All these choices are correct
• B. Its power density
• C. Its frequency
• D. Its duty cycle

G4A13

8. What is the purpose of using a receive attenuator?

• A. To prevent receiver overload from strong incoming signals
• B. To reduce power consumption when operating from batteries
• C. To reduce excessive audio level on strong signals
• D. To reduce the transmitter power when driving a linear amplifier

G9B03

9. Which of the following best describes the radiation pattern of a quarter-wave ground-plane vertical antenna?

• A. Omnidirectional in azimuth
• B. Bi-directional in azimuth
• C. Hemispherical
• D. Isotropic

G2D06

10. How is a directional antenna pointed when making a "long-path" contact with another station?

• A. Toward the north
• B. Along the gray line
• C. 180 degrees from the station's short-path heading
• D. Toward the rising sun

G4B13

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

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

G9D07

12. Which of the following describes a log-periodic antenna?

• A. Gain varies logarithmically as a function of frequency
• B. Impedance varies periodically as a function of frequency
• C. SWR varies periodically as a function of boom length
• D. Element length and spacing vary logarithmically along the boom

G2C04

13. What does the Q signal "QRL?" mean?

• A. "Are you operating full break-in?" or "Can you operate full break-in?"
• B. "Will you keep the frequency clear?"
• C. "Are you busy?" or "Is this frequency in use?"
• D. "Are you listening only for a specific station?"

G8C14

14. Which of the following describes a waterfall display?

• A. Frequency is vertical, signal strength is intensity, time is horizontal
• B. Frequency is horizontal, signal strength is intensity, time is vertical
• C. Frequency is vertical, signal strength is horizontal, time is intensity
• D. Frequency is horizontal, signal strength is vertical, time is intensity

G9C03

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

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

G3A13

16. What does the A-index measure?

• A. The long-term stability of Earth's geomagnetic field
• B. The amount of polarization of the Sun's electric field
• C. The relative position of sunspots on the surface of the Sun
• D. The solar radio flux at Boulder, Colorado

G6A02

17. What is an advantage of batteries with low internal resistance?

• A. High voltage
• B. Rapid recharge
• C. High discharge current
• D. Long life

G7A07

18. What is the output waveform of an unfiltered full-wave rectifier connected to a resistive load?

• A. A series of DC pulses at twice the frequency of the AC input
• B. A sine wave at half the frequency of the AC input
• C. A steady DC voltage
• D. A series of DC pulses at the same frequency as the AC input

G4D07

19. How much must the power output of a transmitter be raised to change the S meter reading on a distant receiver from S8 to S9?

• A. Approximately 8 times
• B. Approximately 4 times
• C. Approximately 2 times
• D. Approximately 1.5 times

G7C09

20. What is the phase difference between the I and Q RF signals that software-defined radio (SDR) equipment uses for modulation and demodulation?

• A. Zero
• B. 90 degrees
• C. 45 degrees
• D. 180 degrees

G6B05

21. What is an advantage of using a ferrite core toroidal inductor?

• A. Most of the magnetic field is contained in the core
• B. All these choices are correct
• C. The magnetic properties of the core may be optimized for a specific range of frequencies
• D. Large values of inductance may be obtained

G0B11

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

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

G8A09

23. What type of modulation is used by FT8?

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

G9A02

24. What is the relationship between high standing wave ratio (SWR) and transmission line loss?

• A. High SWR reduces the relative effect of transmission line loss
• B. High SWR makes it difficult to measure transmission line loss
• C. There is no relationship between transmission line loss and SWR
• D. High SWR increases loss in a lossy transmission line

G1A01

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

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

G4E04

26. Why should DC power for a 100-watt HF transceiver not be supplied by a vehicle's auxiliary power socket?

• A. The socket's wiring may be inadequate for the current drawn by the transceiver
• B. Drawing more than 50 watts from this socket could cause the engine to overheat
• C. The DC polarity of the socket is reversed from the polarity of modern HF transceivers
• D. The socket is not wired with an RF-shielded power cable

G1E10

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

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

G2B01

28. Which of the following is true concerning access to frequencies?

• 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

G1B08

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

• A. Only when the foreign country has a formal third-party agreement filed with the FCC
• B. When the contact is with amateurs in any country except those whose administrations have notified the ITU that they object to such communications
• C. 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
• 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

G3C11

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

• A. The D region
• B. The F2 region
• C. The F1 region
• D. The E region

G4C06

31. What is a possible effect of a resonant ground connection?

• A. High RF voltages on the enclosures of station equipment
• B. Overheating of ground straps
• C. Corrosion of the ground rod
• D. A ground loop

G5B10

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

• A. 10.9 percent
• B. 12.2 percent
• C. 20.6 percent
• D. 25.9 percent

G1C04

33. Which of the following is required by the FCC rules when operating in the 60-meter band?

• A. You must keep a record of the date, time, frequency, power level, and stations worked
• B. You must keep a record of the manufacturer of your equipment and the antenna used
• C. If you are using an antenna other than a dipole, you must keep a record of the gain of your antenna
• D. You must keep a record of all third-party traffic

G7B09

34. What determines the frequency of an LC oscillator?

• A. The inductance and capacitance in the tank circuit
• B. The time delay of the lag circuit
• C. The number of stages in the divider
• D. The number of stages in the counter

G8B06

35. What is the total bandwidth of an FM phone transmission having 5 kHz deviation and 3 kHz modulating frequency?

• A. 8 kHz
• B. 16 kHz
• C. 5 kHz
• D. 3 kHz