Practice Exam

Element 3: General

G3B04

1. Which of the following is a way to determine current propagation on a desired band from your station?

G7B08

2. How is the efficiency of an RF power amplifier determined?

G2C04

3. What does the Q signal "QRL?" mean?

G4A06

4. What is the purpose of an antenna tuner?

G5C11

5. What is the inductance of a circuit with a 20-millihenry inductor connected in series with a 50-millihenry inductor?

G3C10

6. What is near vertical incidence skywave (NVIS) propagation?

G5B12

7. What is the RMS voltage across a 50-ohm dummy load dissipating 1200 watts?

G0B07

8. Which of these choices should be observed when climbing a tower using a safety harness?

G0A12

9. What stations are subject to the FCC rules on RF exposure?

Figure

G7A10

10. Which symbol in figure G7-1 represents a Zener diode?

G2E11

11. What is the primary purpose of an Amateur Radio Emergency Data Network (AREDN) mesh network?

G9A08

12. If the SWR on an antenna feed line is 5:1, and a matching network at the transmitter end of the feed line is adjusted to present a 1:1 SWR to the transmitter, what is the resulting SWR on the feed line?

G2A09

13. Why do most amateur stations use lower sideband on the 160-, 75-, and 40-meter bands?

G2B05

14. When selecting an SSB transmitting frequency, what minimum separation should be used to minimize interference to stations on adjacent frequencies?

G3A08

15. How can a geomagnetic storm affect HF propagation?

G4E02

16. What is the purpose of a corona ball on an HF mobile antenna?

G4B06

17. What is an advantage of a digital multimeter as compared to an analog multimeter?

G1B09

18. On what HF frequencies are automatically controlled beacons permitted?

G6A05

19. What is the approximate forward threshold voltage of a silicon junction diode?

G4D07

20. 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?

G9D02

21. What is the feed point impedance of an end-fed half-wave antenna?

G1C02

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

G8A11

23. What is the modulation envelope of an AM signal?

G6B02

24. What is meant by the term MMIC?

G1D04

25. Who must observe the administration of a Technician class license examination?

G5A10

26. Which of the following devices can be used for impedance matching at radio frequencies?

G9C02

27. What is the approximate length of the driven element of a Yagi antenna?

G7C10

28. What is an advantage of using I-Q modulation with software-defined radios (SDRs)?

G9B09

29. Which of the following is an advantage of using a horizontally polarized as compared to a vertically polarized HF antenna?

G4C02

30. Which of the following could be a cause of interference covering a wide range of frequencies?

G1A08

31. Which HF bands have segments exclusively allocated to Amateur Extra licensees?

G1E08

32. What is the maximum PEP output allowed for spread spectrum transmissions?

G8B13

33. Which of the following is an odd-order intermodulation product of frequencies F1 and F2?

G8C16

34. Which of the following provide digital voice modes?

G2D08

35. Why do many amateurs keep a station log?