Practice Exam

G2E02

1. What is VARA?

• A. A digital protocol used with Winlink
• B. A low signal-to-noise digital mode used for EME (moonbounce)
• C. A DX spotting system using a network of software defined radios
• D. A radio direction finding system used on VHF and UHF

G9A02

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

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

G5C08

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

• A. 1,733 picofarads
• B. 10.750 nanofarads
• C. 3,583 picofarads
• D. 576.9 nanofarads

G3C04

4. What does the term "critical angle" mean, as applied to radio wave propagation?

• A. The lowest takeoff angle that will return a radio wave to Earth under specific ionospheric conditions
• B. The long path azimuth of a distant station
• C. The short path azimuth of a distant station
• D. The highest takeoff angle that will return a radio wave to Earth under specific ionospheric conditions

G6A11

5. What happens when an inductor is operated above its self-resonant frequency?

• A. Catastrophic failure is likely
• B. Its reactance increases
• C. It becomes capacitive
• D. Harmonics are generated

G4D02

6. How does a speech processor affect a single sideband phone signal?

• A. It reduces intermodulation distortion
• B. It increases peak power
• C. It increases average power
• D. It reduces harmonic distortion

G9C01

7. Which of the following would increase the bandwidth of a Yagi antenna?

• A. Loading coils in series with the element
• B. Tapered-diameter elements
• C. Larger-diameter elements
• D. Closer element spacing

G8B06

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

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

G2A06

9. Which of the following is an advantage of using single sideband, as compared to other analog voice modes on the HF amateur bands?

• A. Less subject to interference from atmospheric static crashes
• B. Ease of tuning on receive and immunity to impulse noise
• C. Less bandwidth used and greater power efficiency
• D. Very high-fidelity voice modulation

G1A03

10. On which of the following bands is image transmission prohibited?

• A. 30 meters
• B. 12 meters
• C. 160 meters
• D. 20 meters

G2B09

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

• A. A person holding an FCC-issued amateur operator license or an appropriate government official
• B. Only a RACES net control operator
• C. Any control operator when normal communication systems are operational
• D. Only a person holding an FCC-issued amateur operator license

G8C15

12. What does an FT8 signal report of +3 mean?

• A. The signal is 3 times the noise level of an equivalent SSB signal
• B. The signal is 3 dB over S9
• C. The signal-to-noise ratio is equivalent to +3dB in a 2.5 kHz bandwidth
• D. The signal is S3 (weak signals)

G4B02

13. Which of the following is an advantage of an oscilloscope versus a digital voltmeter?

• A. Greater precision
• B. Complex waveforms can be measured
• C. Complex impedances can be easily measured
• D. An oscilloscope uses less power

G6B07

14. Which of the following describes a type N connector?

• A. A nickel plated version of the PL-259
• B. A moisture-resistant RF connector useful to 10 GHz
• C. A small bayonet connector used for data circuits
• D. A low noise figure VHF connector

G4E09

15. What is the approximate open-circuit voltage from a fully illuminated silicon photovoltaic cell?

• A. 0.2 VDC
• B. 0.5 VDC
• C. 0.02 VDC
• D. 1.38 VDC

G4A12

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

• A. To permit full duplex operation -- that is, transmitting and receiving at the same time
• B. To transmit on one frequency and listen on another
• C. To allow transmitting on two frequencies at once
• D. To improve frequency accuracy by allowing variable frequency output (VFO) operation

G7A12

17. Which symbol in Figure G7-1 represents a solid core transformer?

• A. Symbol 1
• B. Symbol 7
• C. Symbol 4
• D. Symbol 6

G4C01

18. Which of the following might be useful in reducing RF interference to audio frequency circuits?

• A. Reverse-biased diode
• B. Forward-biased diode
• C. Bypass capacitor
• D. Bypass inductor

G9B05

19. How does antenna height affect the azimuthal radiation pattern of a horizontal dipole HF antenna at elevation angles higher than about 45 degrees?

• A. If the antenna is too high, the pattern becomes unpredictable
• B. Antenna height has no effect on the pattern
• C. If the antenna is less than 1/2 wavelength high, radiation off the ends of the wire is eliminated
• D. If the antenna is less than 1/2 wavelength high, the azimuthal pattern is almost omnidirectional

G0B05

20. Which of the following conditions will cause a ground fault circuit interrupter (GFCI) to disconnect AC power?

• A. Overvoltage on the hot wires
• B. All these choices are correct
• C. Current flowing from one or more of the hot wires to the neutral wire
• D. Current flowing from one or more of the hot wires directly to ground

G7C02

21. What output is produced by a balanced modulator?

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

G5A10

22. Which of the following devices can be used for impedance matching at radio frequencies?

• A. A length of transmission line
• B. All these choices are correct
• C. A Pi-network
• D. A transformer

G2D09

23. Which of the following is required when participating in a contest on HF frequencies?

• A. Identify your station according to normal FCC regulations
• B. Submit a log to the contest sponsor
• C. Send a QSL card to the stations worked, or QSL via Logbook of The World
• D. All these choices are correct

G0A02

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

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

G1C01

25. What is the maximum transmitter power an amateur station may use on 10.140 MHz?

• A. 2000 watts PEP output
• B. 1500 watts PEP output
• C. 200 watts PEP output
• D. 1000 watts PEP output

G3A12

26. What does the K-index measure?

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

G2C09

27. What does the Q signal "QSL" mean?

• A. We have already confirmed the contact
• B. We have worked before
• C. Send slower
• D. I have received and understood

G1E01

28. Which of the following would disqualify a third party from participating in sending a message via an amateur station?

• A. All these choices are correct
• B. The third party's amateur license has been revoked and not reinstated
• C. The third party is not a US citizen
• D. The third party is speaking in a language other than English

G7B09

29. What determines the frequency of an LC oscillator?

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

G1D03

30. 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?

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

G3B06

31. What usually happens to radio waves with frequencies below the LUF?

• A. They are refracted back to Earth
• B. They pass through the ionosphere
• C. They are attenuated before reaching the destination
• D. They are refracted and trapped in the ionosphere to circle Earth

G8A11

32. What is the modulation envelope of an AM signal?

• A. The carrier frequency that contains the signal
• B. The bandwidth of the modulated signal
• C. The waveform created by connecting the peak values of the modulated signal
• D. Spurious signals that envelop nearby frequencies

G1B06

33. Under what conditions are state and local governments permitted to regulate amateur radio antenna structures?

• A. At any time and to any extent necessary to accomplish a legitimate purpose of the state or local entity, provided that proper filings are made with the FCC
• B. Amateur Service communications must be reasonably accommodated, and regulations must constitute the minimum practical to accommodate a legitimate purpose of the state or local entity
• C. Only when such structures exceed 50 feet in height and are clearly visible 1,000 feet from the structure
• D. Under no circumstances, FCC rules take priority

G9D12

34. What is the common name of a dipole with a single central support?

• A. Lazy H
• B. Sloper
• C. Inverted L
• D. Inverted V

G5B01

35. What dB change represents a factor of two increase or decrease in power?

• A. Approximately 2 dB
• B. Approximately 9 dB
• C. Approximately 3 dB
• D. Approximately 6 dB