Practice Exam

G5C09

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

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

G3C01

2. 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

G2A02

3. Which mode is most commonly used for voice communications on the 160-, 75-, and 40-meter bands?

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

G4E03

4. Which of the following direct, fused power connections would be the best for a 100-watt HF mobile installation?

• A. To the alternator or generator using heavy-gauge wire
• B. To the battery using insulated heavy duty balanced transmission line
• C. To the battery using heavy-gauge wire
• D. To the alternator or generator using insulated heavy duty balanced transmission line

G2E04

5. Which of the following is good practice when choosing a transmitting frequency to answer a station calling CQ using FT8?

• A. Find a clear frequency during the alternate time slot to the calling station
• B. Always call on the station's frequency
• C. Find a clear frequency during the same time slot as the calling station
• D. Call on any frequency in the waterfall except the station's frequency

G1D02

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

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

G9A05

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

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

G1B05

8. Which of the following one-way transmissions are permitted?

• A. Transmissions to assist with learning the International Morse code
• B. Regular transmissions offering equipment for sale, if intended for amateur radio use
• C. Unidentified test transmissions of less than 10 seconds in duration
• D. All these choices are correct

G2D02

9. Which of the following are objectives of the Volunteer Monitor Program?

• A. To encourage amateur radio operators to self-regulate and comply with the rules
• B. To conduct efficient and orderly amateur licensing examinations
• C. To provide emergency and public safety communications
• D. To coordinate repeaters for efficient and orderly spectrum usage

G4A10

10. What is the function of an electronic keyer?

• A. Computer interface for PSK and RTTY operation
• B. Automatic generation of dots and dashes for CW operation
• C. Automatic transmit/receive switching
• D. To allow time for switching the antenna from the receiver to the transmitter

G0A09

11. What type of instrument can be used to accurately measure an RF field strength?

• A. A calibrated field strength meter with a calibrated antenna
• B. An oscilloscope with a high-stability crystal marker generator
• C. An SWR meter with a peak-reading function
• D. A receiver with digital signal processing (DSP) noise reduction

G1E05

12. What are the restrictions on messages sent to a third party in a country with which there is a Third-Party Agreement?

• A. They must relate to emergencies or disaster relief
• B. They must relate to amateur radio, or remarks of a personal character, or messages relating to emergencies or disaster relief
• C. They must be for other licensed amateurs
• D. The message must be limited to no longer than 1 minute in duration and the name of the third party must be recorded in the station log

G4D06

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

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

G7C12

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

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

G5B11

15. What is the ratio of PEP to average power for an unmodulated carrier?

• A. 2.00
• B. 1.00
• C. 0.707
• D. 1.414

G6B03

16. Which of the following is an advantage of CMOS integrated circuits compared to TTL integrated circuits?

• A. Better suited for RF amplification
• B. Low power consumption
• C. Better suited for power supply regulation
• D. High power handling capability

G8A12

17. What is QPSK modulation?

• A. Modulation in which digital data is transmitted using 0-, 90-, 180- and 270-degrees phase shift to represent pairs of bits
• B. Modulation using Fast Fourier Transforms to generate frequencies at the first, second, third, and fourth harmonics of the carrier frequency to improve noise immunity
• C. Modulation using quadra-pole sideband keying to generate spread spectrum signals
• D. Modulation using quasi-parallel to serial conversion to reduce bandwidth

G9B12

18. What is the approximate length for a 1/4 wave monopole antenna cut for 28.5 MHz?

• A. 8 feet
• B. 21 feet
• C. 16 feet
• D. 11 feet

G9C01

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

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

G7A12

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

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

G8C10

21. How does forward error correction (FEC) allow the receiver to correct data errors?

• A. By using the Varicode character set
• B. By controlling transmitter output power for optimum signal strength
• C. By using a parity bit with each character
• D. By transmitting redundant information with the data

G2C03

22. What does it mean when a CW operator sends "KN" at the end of a transmission?

• A. No US stations should call
• B. Operating full break-in
• C. Listening only for a specific station or stations
• D. Closing station now

G0B06

23. Which of the following is covered by the National Electrical Code?

• A. Acceptable modulation limits
• B. RF exposure limits of the human body
• C. Electrical safety of the station
• D. Acceptable bandwidth limits

G1A01

24. On which HF and/or MF amateur bands are there portions where General class licensees cannot transmit?

• A. 80 meters, 40 meters, 20 meters, and 15 meters
• B. 60 meters, 30 meters, 17 meters, and 12 meters
• C. 160 meters, 60 meters, 15 meters, and 12 meters
• D. 80 meters, 20 meters, 15 meters, and 10 meters

G7B09

25. 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 time delay of the lag circuit
• D. The number of stages in the counter

G3A02

26. What effect does a sudden ionospheric disturbance have on the daytime ionospheric propagation?

• A. None, because only areas on the night side of the Earth are affected
• B. It disrupts communications via satellite more than direct communications
• C. It disrupts signals on lower frequencies more than those on higher frequencies
• D. It enhances propagation on all HF frequencies

G9D10

27. In which direction or directions does an electrically small loop (less than 1/10 wavelength in circumference) have nulls in its radiation pattern?

• A. In the plane of the loop
• B. Electrically small loops are omnidirectional
• C. Broadside and in the plane of the loop
• D. Broadside to the loop

G4C09

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

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

G2B11

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

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

G8B02

30. What is the term for interference from a signal at twice the IF frequency from the desired signal?

• A. Quadrature response
• B. Intermediate interference
• C. Image response
• D. Mixer interference

G6A03

31. What is the approximate forward threshold voltage of a germanium diode?

• A. 1.0 volts
• B. 0.1 volt
• C. 0.7 volts
• D. 0.3 volts

G1C01

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

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

G3B07

33. What does LUF stand for?

• A. Lowest Usable Frequency for communications to any point outside a 100-mile radius
• B. The Lowest Usable Frequency during a 24-hour period
• C. The Lowest Usable Frequency for communications between two specific points
• D. Lowest Usable Frequency during the past 60 minutes

G5A04

34. Which of the following is opposition to the flow of alternating current in a capacitor?

• A. Conductance
• B. Reactance
• C. Reluctance
• D. Admittance

G4B07

35. What signals are used to conduct a two-tone test?

• A. Two audio signals of the same frequency shifted 90 degrees
• B. Two non-harmonically related audio signals
• C. Two swept frequency tones
• D. Two audio frequency range square wave signals of equal amplitude