Practice Exam

G7B11

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

• A. SSB
• B. FM
• C. All these choices are correct
• D. AM

G9A01

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

• 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 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

G2A08

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

• A. Say "QRZ" several times, followed by your call sign
• B. Say "Breaker Breaker"
• C. Say your call sign once
• D. Say "CQ" followed by the call sign of either station

G4C10

4. What could be a symptom caused by a ground loop in your station's audio connections?

• A. The SWR reading for one or more antennas is suddenly very high
• B. You receive reports of "hum" on your station's transmitted signal
• C. You receive reports of harmonic interference from your station
• D. An item of station equipment starts to draw excessive amounts of current

G9B01

5. What is a characteristic of a random-wire HF antenna connected directly to the transmitter?

• A. Station equipment may carry significant RF current
• B. It is more effective on the lower HF bands than on the higher bands
• C. It must be longer than 1 wavelength
• D. It produces only vertically polarized radiation

G6B04

6. What is a typical upper frequency limit for low SWR operation of 50-ohm BNC connectors?

• A. 50 MHz
• B. 4 GHz
• C. 40 GHz
• D. 500 MHz

G7C13

7. What term specifies a filter's maximum ability to reject signals outside its passband?

• A. Rolloff
• B. Insertion loss
• C. Ultimate rejection
• D. Notch depth

G4D06

8. How much change in signal strength is typically represented by one S unit?

• A. 18 dB
• B. 6 dB
• C. 15 dB
• D. 12 dB

G4A09

9. What is the purpose of delaying RF output after activating a transmitter's keying line to an external amplifier?

• A. To allow time for the amplifier power supply to reach operating level
• B. To allow time for the amplifier to switch the antenna between the transceiver and the amplifier output
• C. To prevent key clicks on CW
• D. To prevent transient overmodulation

G3C01

10. Which ionospheric region is closest to the surface of Earth?

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

G0B11

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

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

G8A13

12. What is a link budget?

• A. The sum of antenna gains minus system losses
• B. The financial costs associated with operating a radio link
• C. The difference between transmit power and receiver sensitivity
• D. The sum of transmit power and antenna gains minus system losses as seen at the receiver

G2D05

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

• 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. Repeat "CQ" a few times, followed by "this is," then your call sign a few times, then pause to listen, repeat as necessary
• C. Sign your call sign once, followed by the words "listening for a call" -- if no answer, change frequency and repeat
• D. Say "QTC" followed by "this is" and your call sign -- if no answer, change frequency and repeat

G6A11

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

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

G8C04

15. Which of the following describes Baudot code?

• A. A 7-bit code with start, stop, and parity bits
• B. A 5-bit code with additional start and stop bits
• C. A code using SELCAL and LISTEN
• D. A code using error detection and correction

G1B04

16. Which of the following transmissions is permitted for all amateur stations?

• A. Encrypted messages, if not intended to facilitate a criminal act
• B. Automatic retransmission of other amateur signals by any amateur station
• C. Unidentified transmissions of less than 10 seconds duration for test purposes only
• D. Occasional retransmission of weather and propagation forecast information from US government stations

G9C02

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

• A. 1/4 wavelength
• B. 1 wavelength
• C. 1/2 wavelength
• D. 3/4 wavelength

G1C11

18. What measurement is specified by FCC rules that regulate maximum power?

• A. RMS output from the transmitter
• B. PEP output from the transmitter
• C. PEP input to the antenna
• D. RMS input to the antenna

G4B04

19. What signal source is connected to the vertical input of an oscilloscope when checking the RF envelope pattern of a transmitted signal?

• A. The attenuated RF output of the transmitter
• B. The transmitter balanced mixer output
• C. The local oscillator of the transmitter
• D. An external RF oscillator

G5B04

20. How many watts of electrical power are consumed by a 12 VDC light bulb that draws 0.2 amperes?

• A. 6 watts
• B. 2.4 watts
• C. 24 watts
• D. 60 watts

G5A11

21. What letter is used to represent reactance?

• A. Y
• B. B
• C. Z
• D. X

G2E13

22. What is another name for a Winlink Remote Message Server?

• A. Terminal Node Controller
• B. Printer/Server
• C. RJ-45
• D. Gateway

G9D03

23. In which direction is the maximum radiation from a VHF/UHF "halo" antenna?

• A. Opposite the feed point
• B. On the same side as the feed point
• C. Omnidirectional in the plane of the halo
• D. Broadside to the plane of the halo

G1E01

24. 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 speaking in a language other than English
• D. The third party is not a US citizen

G1D10

25. What is the minimum age that one must be to qualify as an accredited Volunteer Examiner?

• A. 21 years
• B. There is no age limit
• C. 18 years
• D. 16 years

G4E07

26. Which of the following may cause receive interference to an HF transceiver installed in a vehicle?

• A. All these choices are correct
• B. The control computers
• C. The fuel delivery system
• D. The battery charging system

G5C14

27. Which of the following components should be added to an inductor to increase the inductance?

• A. A capacitor in series
• B. A capacitor in parallel
• C. An inductor in parallel
• D. An inductor in series

G7A10

28. Which symbol in figure G7-1 represents a Zener diode?

• A. Symbol 4
• B. Symbol 1
• C. Symbol 11
• D. Symbol 5

G2B05

29. When selecting an SSB transmitting frequency, what minimum separation should be used to minimize interference to stations on adjacent frequencies?

• A. 5 Hz to 50 Hz
• B. Approximately 6 kHz
• C. 150 Hz to 500 Hz
• D. 2 kHz to 3 kHz

G3A08

30. How can a geomagnetic storm affect HF propagation?

• A. Improve high-latitude HF propagation
• B. Degrade ground wave propagation
• C. Improve ground wave propagation
• D. Degrade high-latitude HF propagation

G8B08

31. Why is it important to know the duty cycle of the mode you are using when transmitting?

• A. Some modes have high duty cycles that could exceed the transmitter's average power rating
• B. To prevent overmodulation
• C. To allow time for the other station to break in during a transmission
• D. To aid in tuning your transmitter

G2C09

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

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

G3B01

33. What is a characteristic of skywave signals arriving at your location by both short-path and long-path propagation?

• A. A slightly delayed echo might be heard
• B. Signal strength increased by 3 dB
• C. The signal might be cancelled causing severe attenuation
• D. Periodic fading approximately every 10 seconds

G1A07

34. On which amateur frequencies in the 10-meter band may stations with a General class control operator transmit CW emissions?

• A. The entire band
• B. 28.000 MHz to 28.025 MHz only
• C. 28.000 MHz to 28.300 MHz only
• D. 28.025 MHz to 28.300 MHz only

G0A03

35. How can you determine that your station complies with FCC RF exposure regulations?

• A. By calculation based on FCC OET Bulletin 65
• B. All these choices are correct
• C. By measurement of field strength using calibrated equipment
• D. By calculation based on computer modeling