Practice Exam

Element 3: General (EXPIRED)

G8B03

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

G1E03

2. In what ITU region is operation in the 7.175 to 7.300 MHz band permitted for a control operator holding an FCC-issued General Class license?

G2C02

3. What should you do if a CW station sends "QRS"?

G0B16

4. When might a lead acid storage battery give off explosive hydrogen gas?

G9C01

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

G4C03

6. What sound is heard from an audio device or telephone if there is interference from a nearby single-sideband phone transmitter?

G9D07

7. Which of the following describes a log periodic antenna?

G1A04

8. Which of the following amateur bands is restricted to communication on only specific channels, rather than frequency ranges?

G4E07

9. Which of the following is the most likely to cause interfering signals to be heard in the receiver of an HF mobile installation in a recent model vehicle?

G7A04

10. What is the peak-inverse-voltage across the rectifier in a half-wave power supply?

G2D05

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

G2E02

12. How many data bits are sent in a single PSK31 character?

G1B04

13. Which of the following must be true before amateur stations may provide communications to broadcasters for dissemination to the public?

G1D07

14. Volunteer Examiners are accredited by what organization?

G3A11

15. Approximately how long is the typical sunspot cycle?

G9A10

16. What standing wave ratio will result from the connection of a 50-ohm feed line to a non-reactive load having a 10-ohm impedance?

G6A03

17. Which of the following is an advantage of ceramic capacitors as compared to other types of capacitors?

G7B03

18. Which of the following describes the function of a two input AND gate?

G8A03

19. What is the name of the process which changes the frequency of an RF wave to convey information?

G2B05

20. What is the customary minimum frequency separation between SSB signals under normal conditions?

G3B05

21. What usually happens to radio waves with frequencies below the Maximum Usable Frequency (MUF) and above the Lowest Usable Frequency (LUF) when they are sent into the ionosphere?

G0A07

22. What effect does transmitter duty cycle have when evaluating RF exposure?

G1C01

23. What is the maximum transmitting power an amateur station may use on 10.140 MHz?

G5B11

24. What is the ratio of peak envelope power to average power for an unmodulated carrier?

G4A07

25. What condition can lead to permanent damage when using a solid-state RF power amplifier?

G9B12

26. What is the approximate length for a 1/4-wave vertical antenna cut for 28.5 MHz?

G2A07

27. Which of the following statements is true of the single sideband (SSB) voice mode?

G6B09

28. Which of the following describes the construction of a MOSFET?

G6C08

29. How is an LED biased when emitting light?

G4B15

30. What type of transmitter performance does a two-tone test analyze?

G5A12

31. What is one reason to use an impedance matching transformer?

G5C12

32. What is the capacitance of a 20 microfarad capacitor in series with a 50 microfarad capacitor?

G3C03

33. Why is the F2 region mainly responsible for the longest distance radio wave propagation?

G7C05

34. Which of the following is an advantage of a transceiver controlled by a direct digital synthesizer (DDS)?

G4D10

35. How close to the lower edge of the 40 meter General Class phone segment should your displayed carrier frequency be when using 3 kHz wide LSB?