Practice Exam

Element 3: General

G3C02

1. Where on Earth do ionospheric layers reach their maximum height?

G5A04

2. Which of the following causes opposition to the flow of alternating current in a capacitor?

G5C07

3. What is the turns ratio of a transformer used to match an audio amplifier having 600 ohm output impedance to a speaker having 4 ohm impedance?

G9C15

4. What is meant by the terms dBi and dBd when referring to antenna gain?

G1E11

5. On what bands may automatically controlled stations transmitting RTTY or data emissions communicate with other automatically controlled digital stations?

G8C11

6. How are the two separate frequencies of a Frequency Shift Keyed (FSK) signal identified?

G7B02

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

G4A03

8. What is normally meant by operating a transceiver in "split" mode?

G0A04

9. What does "time averaging" mean in reference to RF radiation exposure?

G9B06

10. Where should the radial wires of a ground-mounted vertical antenna system be placed?

G5B12

11. What would be the RMS voltage across a 50 ohm dummy load dissipating 1200 watts?

G3A10

12. What causes HF propagation conditions to vary periodically in a roughly 28-day cycle?

G1A01

13. On which HF/MF bands is a General class license holder granted all amateur frequency privileges?

G2D07

14. Which of the following are examples of the NATO Phonetic Alphabet?

G6A07

15. What are the stable operating points for a bipolar transistor used as a switch in a logic circuit?

G8B12

16. What process combines two signals in a non-linear circuit or connection to produce unwanted spurious outputs?

G6B02

17. What is meant by the term MMIC?

G2A05

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

G3B02

19. What factors affect the MUF?

G4D08

20. What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz?

G1C04

21. Which of the following limitations apply to transmitter power on every amateur band?

G1B01

22. What is the maximum height above ground to which an antenna structure may be erected without requiring notification to the FAA and registration with the FCC, provided it is not at or near a public use airport?

G1D11

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

G8A02

24. What is the name of the process that changes the phase angle of an RF signal to convey information?

G4C07

25. Why should soldered joints not be used with the wires that connect the base of a tower to a system of ground rods?

G2E14

26. What could be wrong if you cannot decode an RTTY or other FSK signal even though it is apparently tuned in properly?

G7C09

27. What is the phase difference between the I and Q signals that software-defined radio (SDR) equipment uses for modulation and demodulation?

G4B10

28. Which of the following can be determined with a directional wattmeter?

G9D09

29. What is the primary use of a Beverage antenna?

G2C10

30. What does the Q signal "QRN" mean?

G4E08

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

G7A05

32. What portion of the AC cycle is converted to DC by a half-wave rectifier?

G0B14

33. What precaution should you take whenever you adjust or repair an antenna?

G9A02

34. What are the typical characteristic impedances of coaxial cables used for antenna feed lines at amateur stations?

G2B07

35. Which of the following complies with good amateur practice when choosing a frequency on which to initiate a call?