Practice Exam

G1A05

1. Which of the following frequencies is in the General class portion of the 40-meter band (in ITU Region 2)?

• A. 7.500 MHz
• B. 40.200 MHz
• C. 7.250 MHz
• D. 40.500 MHz

G4D07

2. 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 2 times
• C. Approximately 4 times
• D. Approximately 8 times

G4B13

3. What is a use for an antenna analyzer other than measuring the SWR of an antenna system?

• A. Measuring the front-to-back ratio of an antenna
• B. Determining the impedance of coaxial cable
• C. Measuring the turns ratio of a power transformer
• D. Determining the gain of a directional antenna

G2A05

4. Which mode of voice communication is most commonly used on the HF amateur bands?

• A. Double sideband
• B. Frequency modulation
• C. Phase modulation
• D. Single sideband

G0A11

5. What precaution should you take if you install an indoor transmitting antenna?

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

G9C16

6. What is a beta or hairpin match?

• A. It is a shorted transmission line stub placed at the feed point of a Yagi antenna to provide impedance matching
• B. It is a section of 300 ohm twinlead used to match a folded dipole antenna
• C. It is a series capacitor selected to cancel the inductive reactance of a folded dipole antenna
• D. It is a ¼ wavelength section of 75 ohm coax in series with the feed point of a Yagi to provide impedance matching

G1E05

7. What types of messages for a third party in another country may be transmitted by an amateur station?

• A. Any message, as long as the amateur operator is not paid
• B. Any messages, as long as the text of the message is recorded in the station log
• C. Only messages for other licensed amateurs
• D. Only messages relating to Amateur Radio or remarks of a personal character, or messages relating to emergencies or disaster relief

G4A05

8. What is a reason to use Automatic Level Control (ALC) with an RF power amplifier?

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

G5B07

9. What value of an AC signal produces the same power dissipation in a resistor as a DC voltage of the same value?

• A. The peak-to-peak value
• B. The peak value
• C. The reciprocal of the RMS value
• D. The RMS value

G4C11

10. What technique helps to minimize RF "hot spots" in an amateur station?

• A. Low-pass filters on all feed lines
• B. Bonding all equipment enclosures together
• C. Building all equipment in a metal enclosure
• D. Using surge suppressor power outlets

G2C03

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

• A. Listening for novice stations
• B. Operating full break-in
• C. Closing station now
• D. Listening only for a specific station or stations

G0B13

12. What must you do when powering your house from an emergency generator?

• A. Insure that the generator is not grounded
• B. Disconnect the incoming utility power feed
• C. All these choices are correct
• D. Insure that all lightning grounds are disconnected

G9D01

13. Which of the following antenna types will be most effective as a Near Vertical Incidence Skywave (NVIS) antenna for short-skip communications on 40 meters during the day?

• A. A left-hand circularly polarized antenna
• B. A horizontal dipole placed between 1/10 and 1/4 wavelength above the ground
• C. A right-hand circularly polarized antenna
• D. A vertical antenna placed between 1/4 and 1/2 wavelength above the ground

G4E07

14. Which of the following may cause receive interference in a radio installed in a vehicle?

• A. The vehicle control computer
• B. The fuel delivery system
• C. The battery charging system
• D. All these choices are correct

G1C10

15. What is the maximum symbol rate permitted for RTTY or data emission transmissions on the 10-meter band?

• A. 300 baud
• B. 56 kilobaud
• C. 1200 baud
• D. 19.6 kilobaud

G3C06

16. What is a characteristic of HF scatter?

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

G3A05

17. What is the solar flux index?

• A. Another name for the American sunspot number
• B. A count of sunspots that is adjusted for solar emissions
• C. A measure of solar radiation at 10.7 centimeters wavelength
• D. A measure of the highest frequency that is useful for ionospheric propagation between two points on Earth

G6B07

18. Which of the following describes a type N connector?

• A. An audio connector used in surround-sound installations
• B. A threaded connector used for hydraulic systems
• C. A small bayonet connector used for data circuits
• D. A moisture-resistant RF connector useful to 10 GHz

G9A03

19. What is the typical characteristic impedance of "window line" parallel transmission line?

• A. 100 ohms
• B. 50 ohms
• C. 75 ohms
• D. 450 ohms

G6A11

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

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

G5C08

21. 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. 3583 picofarads
• D. 1733 picofarads

G9B08

22. How does the feed point impedance of a 1/2 wave dipole change as the feed point is moved from the center toward the ends?

• A. It steadily increases
• B. It is unaffected by the location of the feed point
• C. It peaks at about 1/8 wavelength from the end
• D. It steadily decreases

G7C11

23. What is meant by the term "software-defined radio" (SDR)?

• A. A radio that uses crystal filters designed using software
• B. A radio in which most major signal processing functions are performed by software
• C. A computer model that can simulate performance of a radio to aid in the design process
• D. A radio that provides computer interface for automatic logging of band and frequency

G8B03

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

• A. Cancellation
• B. Phase inverting
• C. Synthesizing
• D. Heterodyning

G1D04

25. Which of the following is a requirement for administering a Technician class license examination?

• A. At least three VEs of Technician class or higher must observe the examination
• B. At least two General class or higher VEs must be present
• C. At least three General class or higher VEs must observe the examination
• D. At least two General class or higher VEs must be present, but only one need be Amateur Extra class

G2B01

26. Which of the following is true concerning access to frequencies in non-emergency situations?

• A. Nets always have priority
• B. Contest operations must always yield to non-contest use of frequencies
• C. QSOs in progress always have priority
• D. Except during FCC-declared emergencies, no one has priority access to frequencies

G7B02

27. Which of these classes of amplifiers has the highest efficiency?

• A. Class C
• B. Class B
• C. Class AB
• D. Class A

G2D01

28. What is the Volunteer Monitoring Program?

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

G2E08

29. In what segment of the 20-meter band are most PSK31 operations commonly found?

• A. In the middle of the CW segment, near 14.100 MHz
• B. At the top of the SSB phone segment, near 14.325 MHz
• C. Below the RTTY segment, near 14.070 MHz
• D. At the bottom of the slow-scan TV segment, near 14.230 MHz

G7A12

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

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

G1B08

31. When choosing a transmitting frequency, what should you do to comply with good amateur practice?

• A. Monitor the frequency before transmitting
• B. Ensure that the frequency and mode selected are within your license class privileges
• C. All these choices are correct
• D. Follow generally accepted band plans agreed to by the Amateur Radio community

G8C13

32. What is indicated on a waterfall display by one or more vertical lines on either side of a digital signal?

• A. Insufficient modulation
• B. Long path propagation
• C. Backscatter propagation
• D. Overmodulation

G8A06

33. Which of the following is characteristic of QPSK31?

• A. All these choices are correct
• B. It is sideband sensitive
• C. Its bandwidth is approximately the same as BPSK31
• D. Its encoding provides error correction

G5A09

34. What unit is used to measure reactance?

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

G3B07

35. What does LUF stand for?

• A. The Longest Universal Function during a 24-hour period
• B. The Lowest Usable Frequency for communications between two points
• C. The Lowest Usable Frequency during a 24-hour period
• D. The Longest Universal Function for communications between two points