Practice Exam

G6A04

1. Which of the following is characteristic of an electrolytic capacitor?

• A. Tight tolerance
• B. Inexpensive RF capacitor
• C. Much less leakage than any other type
• D. High capacitance for a given volume

G3C06

2. What is a characteristic of HF scatter?

• A. Phone signals have high intelligibility
• B. There are very large, sudden swings in signal strength
• C. Signals have a fluttering sound
• D. Scatter propagation occurs only at night

G4D07

3. 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 1.5 times
• B. Approximately 8 times
• C. Approximately 4 times
• D. Approximately 2 times

G9D03

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

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

G7A12

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

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

G3A06

6. What is a geomagnetic storm?

• A. A thunderstorm that affects radio propagation
• B. Ripples in the geomagnetic force
• C. A sudden drop in the solar flux index
• D. A temporary disturbance in Earth's geomagnetic field

G4E04

7. Why should DC power for a 100-watt HF transceiver not be supplied by a vehicle's auxiliary power socket?

• A. Drawing more than 50 watts from this socket could cause the engine to overheat
• B. The socket's wiring may be inadequate for the current drawn by the transceiver
• C. The socket is not wired with an RF-shielded power cable
• D. The DC polarity of the socket is reversed from the polarity of modern HF transceivers

G5C04

8. What is the approximate total resistance of a 100- and a 200-ohm resistor in parallel?

• A. 150 ohms
• B. 300 ohms
• C. 67 ohms
• D. 75 ohms

G0B03

9. Which size of fuse or circuit breaker would be appropriate to use with a circuit that uses AWG number 14 wiring?

• A. 15 amperes
• B. 25 amperes
• C. 20 amperes
• D. 30 amperes

G4C12

10. Why must all metal enclosures of station equipment be grounded?

• A. It prevents signal overload
• B. It ensures that the neutral wire is grounded
• C. It prevents a blown fuse in the event of an internal short circuit
• D. It ensures that hazardous voltages cannot appear on the chassis

G2A10

11. Which of the following statements is true of VOX operation versus PTT operation?

• A. It occupies less bandwidth
• B. It provides more power output
• C. It allows "hands free" operation
• D. The received signal is more natural sounding

G1B08

12. When is it permissible to communicate with amateur stations in countries outside the areas administered by the Federal Communications Commission?

• A. Only when the contact is with amateurs licensed by a country which is a member of the United Nations, or by a territory possessed by such a country
• B. When the contact is with amateurs in any country except those whose administrations have notified the ITU that they object to such communications
• C. Only when the foreign country has a formal third-party agreement filed with the FCC
• D. Only when the contact is with amateurs licensed by a country which is a member of the International Amateur Radio Union, or by a territory possessed by such a country

G7C02

13. What output is produced by a balanced modulator?

• A. Double-sideband modulated RF
• B. Audio with equalized frequency response
• C. Frequency modulated RF
• D. Audio extracted from the modulation signal

G8B11

14. What combination of a mixer's Local Oscillator (LO) and RF input frequencies is found in the output?

• A. The ratio
• B. The arithmetic product
• C. The sum and difference
• D. The average

G2E02

15. What is VARA?

• A. A DX spotting system using a network of software defined radios
• B. A low signal-to-noise digital mode used for EME (moonbounce)
• C. A radio direction finding system used on VHF and UHF
• D. A digital protocol used with Winlink

G5B02

16. How does the total current relate to the individual currents in a circuit of parallel resistors?

• A. It is the sum of the reciprocal of each individual voltage drop
• B. It equals the sum of the currents through each branch
• C. It equals the average of the branch currents
• D. It decreases as more parallel branches are added to the circuit

G1C02

17. What is the maximum transmitter power an amateur station may use on the 12-meter band?

• A. 1500 watts PEP output
• B. An effective radiated power equivalent to 100 watts from a half-wave dipole
• C. 50 watts PEP output
• D. 200 watts PEP output

G2C11

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

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

G1E05

19. 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. 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
• C. They must relate to amateur radio, or remarks of a personal character, or messages relating to emergencies or disaster relief
• D. They must be for other licensed amateurs

G4A11

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

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

G1D11

21. What action is required to obtain a new General class license after a previously held license has expired and the two-year grace period has passed?

• A. Contact the FCC to have the license reinstated
• B. There are no requirements other than being able to show a copy of the expired license
• C. The applicant must show proof of the appropriate expired license grant and pass the current Element 2 exam
• D. They must have a letter from the FCC showing they once held an amateur or commercial license

G3B05

22. How does the ionosphere affect radio waves with frequencies below the MUF and above the LUF?

• A. They are amplified by interaction with the ionosphere
• B. They pass through the ionosphere
• C. They are refracted back to Earth
• D. They are refracted and trapped in the ionosphere to circle Earth

G2D09

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

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

G9C03

24. How do the lengths of a three-element Yagi reflector and director compare to that of the driven element?

• A. The reflector is longer, and the director is shorter
• B. They are all the same length
• C. The reflector is shorter, and the director is longer
• D. Relative length depends on the frequency of operation

G5A06

25. How does a capacitor react to AC?

• A. As the frequency of the applied AC increases, the reactance decreases
• B. As the amplitude of the applied AC increases, the reactance decreases
• C. As the frequency of the applied AC increases, the reactance increases
• D. As the amplitude of the applied AC increases, the reactance increases

G8A13

26. What is a link budget?

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

G2B11

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

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

G6B08

28. How is an LED biased when emitting light?

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

G8C12

29. Which type of code is used for sending characters in a PSK31 signal?

• A. Varicode
• B. Viterbi
• C. Binary
• D. Volumetric

G4B01

30. What item of test equipment contains horizontal and vertical channel amplifiers?

• A. An ammeter
• B. An oscilloscope
• C. A signal generator
• D. An ohmmeter

G0A11

31. What precaution should be taken if you install an indoor transmitting antenna?

• A. Make sure that MPE limits are not exceeded in occupied areas
• B. Locate the antenna close to your operating position to minimize feed-line radiation
• C. Position the antenna along the edge of a wall to reduce parasitic radiation
• D. Make sure the antenna is properly shielded

G9B03

32. Which of the following best describes the radiation pattern of a quarter-wave ground-plane vertical antenna?

• A. Omnidirectional in azimuth
• B. Isotropic
• C. Hemispherical
• D. Bi-directional in azimuth

G7B05

33. How many states does a 3-bit binary counter have?

• A. 8
• B. 3
• C. 6
• D. 16

G1A09

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

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

G9A05

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

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