Practice Exam

G1D08

1. Which of the following criteria must be met for a non-US citizen to be an accredited Volunteer Examiner?

• A. None of these choices is correct; a non-US citizen cannot be a Volunteer Examiner
• B. The person's home citizenship must be in ITU region 2
• C. The person must be a resident of the US for a minimum of 5 years
• D. The person must hold an FCC granted amateur radio license of General class or above

G0A01

2. What is one way that RF energy can affect human body tissue?

• A. It causes the blood count to reach a dangerously low level
• B. It causes radiation poisoning
• C. It heats body tissue
• D. It cools body tissue

G1B06

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

• A. Only when such structures exceed 50 feet in height and are clearly visible 1,000 feet from the structure
• B. 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
• C. 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
• D. Under no circumstances, FCC rules take priority

G5C08

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

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

G4A05

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

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

G9D04

6. What is the primary function of antenna traps?

• A. To provide balanced feed point impedance
• B. To enable multiband operation
• C. To notch spurious frequencies
• D. To prevent out-of-band operation

G8A01

7. How is direct binary FSK modulation generated?

• A. By keying an FM transmitter with a sub-audible tone
• B. By reconfiguring the CW keying input to act as a tone generator
• C. By changing an oscillator's frequency directly with a digital control signal
• D. By using a transceiver's computer data interface protocol to change frequencies

G9B04

8. What is the radiation pattern of a dipole antenna in free space in a plane containing the conductor?

• A. It is a figure-eight off both ends of the antenna
• B. It is a circle (equal radiation in all directions)
• C. It is a figure-eight at right angles to the antenna
• D. It has a pair of lobes on one side of the antenna and a single lobe on the other side

G1A09

9. Which of the following frequencies is within the General class portion of the 15-meter band?

• A. 18155 kHz
• B. 24900 kHz
• C. 14250 kHz
• D. 21300 kHz

G6A11

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

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

G8B03

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

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

G8C11

12. How are the two separate frequencies of a Frequency Shift Keyed (FSK) signal identified?

• A. Dot and dash
• B. High and low
• C. On and off
• D. Mark and space

G4C09

13. How can the effects of ground loops be minimized?

• A. Avoid using lock washers and star washers when making ground connections
• B. Connect all ground conductors in series
• C. Bond equipment enclosures together
• D. Connect the AC neutral conductor to the ground wire

G3C09

14. What type of propagation allows signals to be heard in the transmitting station's skip zone?

• A. Short-path
• B. Chordal hop
• C. Faraday rotation
• D. Scatter

G3A01

15. How does a higher sunspot number affect HF propagation?

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

G7B09

16. What determines the frequency of an LC oscillator?

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

G9A11

17. What is the effect of transmission line loss on SWR measured at the input to the line?

• A. Higher loss reduces SWR measured at the input to the line
• B. Transmission line loss does not affect the SWR measurement
• C. Higher loss increases the accuracy of SWR measured at the input to the line
• D. Higher loss increases SWR measured at the input to the line

G9C10

18. Which of the following can be adjusted to optimize forward gain, front-to-back ratio, or SWR bandwidth of a Yagi antenna?

• A. The number of elements on the boom
• B. The physical length of the boom
• C. The spacing of each element along the boom
• D. All these choices are correct

G2B02

19. What is the first thing you should do if you are communicating with another amateur station and hear a station in distress break in?

• A. Immediately decrease power to avoid interfering with the station in distress
• B. Inform your local emergency coordinator
• C. Immediately cease all transmissions
• D. Acknowledge the station in distress and determine what assistance may be needed

G4B06

20. What is an advantage of a digital multimeter as compared to an analog multimeter?

• A. Better for measuring computer circuits
• B. Less prone to overload
• C. Higher precision
• D. Faster response

G3B08

21. What does MUF stand for?

• A. The Minimum Usable Frequency during a 24-hour period
• B. The Minimum Usable Frequency for communications between two points
• C. The Maximum Usable Frequency during a 24-hour period
• D. The Maximum Usable Frequency for communications between two points

G6B08

22. How is an LED biased when emitting light?

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

G5B14

23. What is the output PEP of 500 volts peak-to-peak across a 50-ohm load?

• A. 5000 watts
• B. 8.75 watts
• C. 2500 watts
• D. 625 watts

G2D09

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

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

G1E03

25. What is required to conduct communications with a digital station operating under automatic control outside the automatic control band segments?

• A. The interrogating transmission must be made by another automatically controlled station
• B. The control operator of the interrogating station must hold an Amateur Extra class license
• C. The station initiating the contact must be under local or remote control
• D. No third-party traffic may be transmitted

G1C07

26. What must be done before using a new digital protocol on the air?

• A. Publicly document the technical characteristics of the protocol
• B. Submit a rule-making proposal to the FCC describing the codes and methods of the technique
• C. Type-certify equipment to FCC standards
• D. Obtain an experimental license from the FCC

G0B02

27. According to the National Electrical Code, what is the minimum wire size that may be used safely for wiring with a 20-ampere circuit breaker?

• A. AWG number 12
• B. AWG number 8
• C. AWG number 16
• D. AWG number 20

G2E11

28. What is the primary purpose of an Amateur Radio Emergency Data Network (AREDN) mesh network?

• A. To provide real time propagation data by monitoring amateur radio transmissions worldwide
• B. To provide DX spotting reports to aid contesters and DXers
• C. To provide FM repeater coverage in remote areas
• D. To provide high-speed data services during an emergency or community event

G7A05

29. What portion of the AC cycle is converted to DC by a half-wave rectifier?

• A. 180 degrees
• B. 90 degrees
• C. 270 degrees
• D. 360 degrees

G2A01

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

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

G5A08

31. What is impedance?

• A. The ratio of voltage to current
• B. The product of current and voltage
• C. The product of current and reactance
• D. The ratio of current to voltage

G2C11

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

• A. You are sending too fast
• B. There is interference on the frequency
• C. I am quitting for the day
• D. I am ready to receive

G7C14

33. The bandwidth of a band-pass filter is measured between what two frequencies?

• A. Pole and zero
• B. Upper and lower half-power
• C. Image and harmonic
• D. Cutoff and rolloff

G4D08

34. What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz?

• A. 7.178 MHz to 7.181 MHz
• B. 7.175 MHz to 7.178 MHz
• C. 7.178 MHz to 7.184 MHz
• D. 7.1765 MHz to 7.1795 MHz

G4E11

35. What precaution should be taken when connecting a solar panel to a lithium iron phosphate battery?

• A. Ground the solar panel outer metal framework
• B. A series resistor must be in place
• C. Ensure the battery is placed terminals-up
• D. The solar panel must have a charge controller