Practice Exam

G8B03

1. What is another term for the mixing of two RF signals?

• A. Frequency inversion
• B. Synthesizing
• C. Phase inversion
• D. Heterodyning

G0A03

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

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

G7A11

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

• A. Symbol 11
• B. Symbol 7
• C. Symbol 2
• D. Symbol 1

G7C12

4. What is the frequency above which a low-pass filter's output power is less than half the input power?

• A. Notch frequency
• B. Neper frequency
• C. Rolloff frequency
• D. Cutoff frequency

G2B08

5. What is the voluntary band plan restriction for US stations transmitting within the 48 contiguous states in the 50.1 MHz to 50.125 MHz band segment?

• A. Only contacts with stations not within the 48 contiguous states
• B. Only contacts with other stations within the 48 contiguous states
• C. Only SSTV contacts
• D. Only digital contacts

G8C03

6. What part of a packet radio frame contains the routing and handling information?

• A. Directory
• B. Header
• C. Preamble
• D. Trailer

G5C08

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

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

G2A07

8. Which of the following statements is true of single sideband (SSB)?

• A. Only one sideband and the carrier are transmitted; the other sideband is suppressed
• B. SSB is the only voice mode authorized on the 160-, 75-, and 40-meter amateur bands
• C. SSB is the only voice mode authorized on the 20-, 15-, and 10-meter amateur bands
• D. Only one sideband is transmitted; the other sideband and carrier are suppressed

G2C08

9. What prosign is sent to indicate the end of a formal message when using CW?

• A. KN
• B. AR
• C. BK
• D. SK

G9A09

10. What standing wave ratio results from connecting a 50-ohm feed line to a 200-ohm resistive load?

• A. 2:1
• B. 1:4
• C. 1:2
• D. 4:1

G9D11

11. Which of the following is a disadvantage of multiband antennas?

• A. They must be fed with open wire line
• B. They present low impedance on all design frequencies
• C. They must be used with an antenna tuner
• D. They have poor harmonic rejection

G1C05

12. What is the limit for transmitter power on the 28 MHz band for a General Class control operator?

• A. 1000 watts PEP output
• B. 100 watts PEP output
• C. 2000 watts PEP output
• D. 1500 watts PEP output

G1D12

13. When operating a station in South America by remote control over the internet from the US, what regulations apply?

• A. Only those of the remote station's country
• B. Those of the remote station's country and the FCC's third-party regulations
• C. Those of both the remote station's country and the FCC
• D. Only those of the FCC

G7B09

14. What determines the frequency of an LC oscillator?

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

G1A06

15. Which of the following applies when the FCC rules designate the amateur service as a secondary user on a band?

• A. Amateur stations must record the call sign of the primary service station before operating on a frequency assigned to that station
• B. Amateur stations may use the band only during emergencies
• C. Amateur stations must not cause harmful interference to primary users and must accept interference from primary users
• D. Amateur stations may only operate during specific hours of the day, while primary users are permitted 24-hour use of the band

G9C01

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

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

G3A09

17. How can high geomagnetic activity benefit radio communications?

• A. Creates auroras that can reflect VHF signals
• B. Increases signal strength for HF signals passing through the polar regions
• C. Improve HF long path propagation
• D. Reduce long delayed echoes

G4E01

18. What is the purpose of a capacitance hat on a mobile antenna?

• A. To increase the power handling capacity of a whip antenna
• B. To electrically lengthen a physically short antenna
• C. To lower the radiation angle
• D. To reduce radiation resistance

G2D03

19. What procedure may be used by Volunteer Monitors to localize a station whose continuous carrier is holding a repeater on in their area?

• A. Compare beam headings on the repeater input from their home locations with that of other Volunteer Monitors
• B. Compare signal strengths between the input and output of the repeater
• C. Compare vertical and horizontal signal strengths on the input frequency
• D. All these choices are correct

G4A09

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

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

G6B08

21. How is an LED biased when emitting light?

• A. Forward biased
• B. Reverse biased
• C. In the tunnel-effect region
• D. At the Zener voltage

G4D07

22. 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 2 times
• B. Approximately 4 times
• C. Approximately 1.5 times
• D. Approximately 8 times

G4C07

23. Why should soldered joints not be used in lightning protection ground connections?

• A. Solder flux will prevent a low conductivity connection
• B. All these choices are correct
• C. A soldered joint will likely be destroyed by the heat of a lightning strike
• D. Solder has too high a dielectric constant to provide adequate lightning protection

G3C05

24. Why is long-distance communication on the 40-, 60-, 80-, and 160-meter bands more difficult during the day?

• A. The F region absorbs signals at these frequencies during daylight hours
• B. The E region is unstable during daylight hours
• C. The D region absorbs signals at these frequencies during daylight hours
• D. The F region is unstable during daylight hours

G1E02

25. When may a 10-meter repeater retransmit the 2-meter signal from a station that has a Technician class control operator?

• A. Only if the 10-meter repeater control operator holds at least a General class license
• B. Only during an FCC-declared general state of communications emergency
• C. Only if the station on 10-meters is operating under a Special Temporary Authorization allowing such retransmission
• D. Under no circumstances

G4B03

26. Which of the following is the best instrument to use for checking the keying waveform of a CW transmitter?

• A. A sidetone monitor
• B. A wavemeter
• C. An oscilloscope
• D. A field strength meter

G1B07

27. What are the restrictions on the use of abbreviations or procedural signals in the amateur service?

• A. They are not permitted
• B. They are limited to those expressly listed in Part 97 of the FCC rules
• C. Only "Q" signals are permitted
• D. They may be used if they do not obscure the meaning of a message

G0B09

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

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

G2E09

29. How do you join a contact between two stations using the PACTOR protocol?

• A. Transmit a steady carrier until the PACTOR protocol times out and disconnects
• B. Send a NAK code
• C. Send broadcast packets containing your call sign while in MONITOR mode
• D. Joining an existing contact is not possible, PACTOR connections are limited to two stations

G9B02

30. 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?

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

G5B04

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

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

G8A03

32. What is the name of the process that changes the instantaneous frequency of an RF wave to convey information?

• A. Frequency convolution
• B. Frequency conversion
• C. Frequency modulation
• D. Frequency transformation

G5A02

33. What is reactance?

• A. Reinforcement of the flow of direct current caused by resistance
• B. Reinforcement of the flow of alternating current caused by capacitance or inductance
• C. Opposition to the flow of direct current caused by resistance
• D. Opposition to the flow of alternating current caused by capacitance or inductance

G6A09

34. Which of the following describes MOSFET construction?

• A. The source is separated from the drain by a thin insulating layer
• B. The gate is formed by a back-biased junction
• C. The source is formed by depositing metal on silicon
• D. The gate is separated from the channel by a thin insulating layer

G3B02

35. What factors affect the MUF?

• A. Time of day and season
• B. All these choices are correct
• C. Solar radiation and ionospheric disturbances
• D. Path distance and location