Practice Exam

Element 3: General (EXPIRED)

G8B10

1. What does the number 31 represent in PSK31?

G7C02

2. Which circuit is used to combine signals from the carrier oscillator and speech amplifier and send the result to the filter in a typical single-sideband phone transmitter?

G1E05

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

G4C13

4. Which of the following can perform automatic notching of interfering carriers?

G9B04

5. What is the low angle azimuthal radiation pattern of an ideal half-wavelength dipole antenna installed 1/2 wavelength high and parallel to the Earth?

Figure

G7A13

6. Which symbol in Figure G7-1 represents a tapped inductor?

G5A02

7. What is reactance?

G6C03

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

G4B03

9. Which of the following is the best instrument to use when checking the keying waveform of a CW transmitter?

G2E04

10. What segment of the 20 meter band is most often used for data transmissions?

G0B10

11. Which of the following is a danger from lead-tin solder?

G1C03

12. What is the maximum bandwidth permitted by FCC rules for Amateur Radio stations when transmitting on USB frequencies in the 60 meter band?

G5C10

13. What is the inductance of three 10 millihenry inductors connected in parallel?

G9C08

14. What is meant by the "main lobe" of a directive antenna?

G2A02

15. Which of the following modes is most commonly used for voice communications on the 160, 75, and 40 meter bands?

G1A14

16. Which of the following applies when the FCC rules designate the Amateur Service as a secondary user on a band?

G1B10

17. What is the power limit for beacon stations?

G4D02

18. Which of the following describes how a speech processor affects a transmitted single sideband phone signal?

G8A04

19. What emission is produced by a reactance modulator connected to an RF power amplifier?

G9D11

20. Which of the following is a disadvantage of multiband antennas?

G6B14

21. What is the minimum allowable discharge voltage for maximum life of a standard 12 volt lead acid battery?

G2B10

22. When may the FCC restrict normal frequency operations of amateur stations participating in RACES?

G6A12

23. What is a common name for an inductor used to help smooth the DC output from the rectifier in a conventional power supply?

G0A03

24. How can you determine that your station complies with FCC RF exposure regulations?

G3A11

25. Approximately how long is the typical sunspot cycle?

G7B14

26. Which of the following describes a linear amplifier?

G2D07

27. Which of the following is required by the FCC rules when operating in the 60 meter band?

G1D03

28. On which of the following band segments may you operate if you are a Technician Class operator and have a CSCE for General Class privileges?

G9A12

29. What would be the SWR if you feed a vertical antenna that has a 25-ohm feed-point impedance with 50-ohm coaxial cable?

G3C04

30. What does the term "critical angle" mean as used in radio wave propagation?

G4E08

31. What is the name of the process by which sunlight is changed directly into electricity?

G4A05

32. What is a purpose of using Automatic Level Control (ALC) with a RF power amplifier?

G3B11

33. What happens to HF propagation when the Lowest Usable Frequency (LUF) exceeds the Maximum Usable Frequency (MUF)?

G2C05

34. What is the best speed to use answering a CQ in Morse Code?

G5B05

35. How many watts are dissipated when a current of 7.0 milliamperes flows through 1.25 kilohms?