Practice Exam

G5A09

1. What unit is used to measure reactance?

• A. Farad
• B. Ampere
• C. Siemens
• D. Ohm

G3B10

2. What is the approximate maximum distance along the Earth's surface normally covered in one hop using the E region?

• A. 1,200 miles
• B. 12,000 miles
• C. 2,500 miles
• D. 180 miles

G2E11

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

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

G1E08

4. What is the maximum PEP output allowed for spread spectrum transmissions?

• A. 1500 watts
• B. 100 watts
• C. 10 watts
• D. 100 milliwatts

G5B10

5. 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

G4A11

6. Why should the ALC system be inactive when transmitting AFSK data signals?

• A. ALC will invert the modulation of the AFSK mode
• B. When using digital modes, too much ALC activity can cause the transmitter to overheat
• C. The ALC action distorts the signal
• D. All these choices are correct

G7B11

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

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

G2B11

8. How often may RACES training drills and tests be routinely conducted without special authorization?

• A. No more than 2 hours per week
• B. No more than 1 hour per week
• C. No more than 1 hour per month
• D. No more than 2 hours per month

G7C05

9. Which of the following is characteristic of a direct digital synthesizer (DDS)?

• A. Variable output frequency with the stability of a crystal oscillator
• B. Extremely narrow tuning range
• C. Pure sine wave output
• D. Relatively high-power output

G4D03

10. What is the effect of an incorrectly adjusted speech processor?

• A. Excess intermodulation products
• B. All these choices are correct
• C. Distorted speech
• D. Excessive background noise

G1D02

11. What license examinations may you administer as an accredited Volunteer Examiner holding a General class operator license?

• A. Amateur Extra, General, and Technician
• B. Technician only
• C. None, only Amateur Extra class licensees may be accredited
• D. General and Technician

G9B09

12. Which of the following is an advantage of using a horizontally polarized as compared to a vertically polarized HF antenna?

• A. Shorter radials
• B. Lower feed point impedance
• C. Lower radiation resistance
• D. Lower ground losses

G1C06

13. What is the limit for transmitter power on the 1.8 MHz band?

• A. 1000 watts PEP output
• B. 1200 watts PEP output
• C. 1500 watts PEP output
• D. 200 watts PEP output

G9D07

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

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

G6A12

15. What is the primary purpose of a screen grid in a vacuum tube?

• A. To decrease plate resistance
• B. To increase efficiency
• C. To reduce grid-to-plate capacitance
• D. To increase the control grid resistance

G2A09

16. Why do most amateur stations use lower sideband on the 160-, 75-, and 40-meter bands?

• A. It is commonly accepted amateur practice
• B. Because it is fully compatible with an AM detector
• C. Lower sideband is the only sideband legal on these frequency bands
• D. Lower sideband is more efficient than upper sideband at these frequencies

G3A08

17. How can a geomagnetic storm affect HF propagation?

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

G9C09

18. In free space, how does the gain of two three-element, horizontally polarized Yagi antennas spaced vertically 1/2 wavelength apart typically compare to the gain of a single three-element Yagi?

• A. Approximately 1.5 dB higher
• B. Approximately 3 dB higher
• C. Approximately 9 dB higher
• D. Approximately 6 dB higher

G1B06

19. 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. 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. 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
• D. Under no circumstances, FCC rules take priority

G4B05

20. Why do voltmeters have high input impedance?

• A. It decreases the loading on circuits being measured
• B. It improves the resolution of the readings
• C. It allows for higher voltages to be safely measured
• D. It improves the frequency response

G6B06

21. What kind of device is an integrated circuit operational amplifier?

• A. MMIC
• B. Analog
• C. Programmable Logic
• D. Digital

G9A05

22. How does the attenuation of coaxial cable change with increasing frequency?

• A. Attenuation decreases
• B. Attenuation increases
• C. Attenuation is independent of frequency
• D. Attenuation follows Marconi's Law of Attenuation

G5C09

23. What is the capacitance of three 100-microfarad capacitors connected in series?

• A. 0.33 microfarads
• B. 300 microfarads
• C. 3.0 microfarads
• D. 33.3 microfarads

G1A03

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

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

G7A10

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

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

G8B06

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

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

G8C05

27. In an ARQ mode, what is meant by a NAK response to a transmitted packet?

• A. Receiving station connected and ready for transmissions
• B. Request retransmission of the packet
• C. Entire file received correctly
• D. Packet was received without error

G4C08

28. Which of the following would reduce RF interference caused by common-mode current on an audio cable?

• A. Add an additional insulating jacket to the cable
• B. Ground the center conductor of the audio cable causing the interference
• C. Place a ferrite choke on the cable
• D. Connect the center conductor to the shield of all cables to short circuit the RFI signal

G3C01

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

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

G2C11

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

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

G0B07

31. Which of these choices should be observed when climbing a tower using a safety harness?

• A. Always hold on to the tower with one hand
• B. Ensure that all heavy tools are securely fastened to the harness
• C. All these choices are correct
• D. Confirm that the harness is rated for the weight of the climber and that it is within its allowable service life

G2D01

32. What is the Volunteer Monitor Program?

• A. Amateur volunteers who conduct amateur licensing examinations
• B. Amateur volunteers who conduct frequency coordination for amateur VHF repeaters
• C. Amateur volunteers who use their station equipment to help civil defense organizations in times of emergency
• D. Amateur volunteers who are formally enlisted to monitor the airwaves for rules violations

G0A08

33. Which of the following steps must an amateur operator take to ensure compliance with RF safety regulations?

• A. Perform a routine RF exposure evaluation and prevent access to any identified high exposure areas
• B. Post a copy of FCC Part 97.13 in the station
• C. All these choices are correct
• D. Notify neighbors within a 100-foot radius of the antenna of the existence of the station and power levels

G8A09

34. 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

G4E08

35. In what configuration are the individual cells in a solar panel connected together?

• A. Series-parallel
• B. Full-wave bridge
• C. Shunt
• D. Bypass