Practice Exam

Element 3: General

G4A03

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

G2B09

2. Who may be the control operator of an amateur station transmitting in RACES to assist relief operations during a disaster?

G9B09

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

G8B07

4. What is the frequency deviation for a 12.21 MHz reactance modulated oscillator in a 5 kHz deviation, 146.52 MHz FM phone transmitter?

G3C07

5. What makes HF scatter signals often sound distorted?

G4C09

6. How can a ground loop be avoided?

G5A09

7. What unit is used to measure reactance?

G8C03

8. What part of a packet radio frame contains the routing and handling information?

G9D04

9. What is the primary purpose of antenna traps?

G9C15

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

G2C10

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

G6A07

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

G5C07

13. 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?

G4D05

14. How does a signal that reads 20 dB over S9 compare to one that reads S9 on a receiver, assuming a properly calibrated S meter?

G7C08

15. What circuit is used in analog FM receivers to convert IF output signals to audio?

G9A03

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

G7B08

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

G4B07

18. What signals are used to conduct a two-tone test?

G1D11

19. 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?

G3A03

20. Approximately how long does it take the increased ultraviolet and X-ray radiation from solar flares to affect radio propagation on Earth?

G7A01

21. What useful feature does a power supply bleeder resistor provide?

G3B08

22. What does MUF stand for?

G8A07

23. Which of the following phone emissions uses the narrowest bandwidth?

G0B08

24. What should be done by any person preparing to climb a tower that supports electrically powered devices?

G1B01

25. 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?

G5B07

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

G1E05

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

G1A14

28. Which of the following may apply in areas under FCC jurisdiction outside of ITU Region 2?

G1C01

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

G4E11

30. Which of the following is a disadvantage of using wind as the primary source of power for an emergency station?

G2A03

31. Which of the following is most commonly used for SSB voice communications in the VHF and UHF bands?

G0A02

32. Which of the following properties is important in estimating whether an RF signal exceeds the maximum permissible exposure (MPE)?

G2D06

33. How is a directional antenna pointed when making a "long-path" contact with another station?

G2E04

34. What segment of the 20-meter band is most often used for digital transmissions (avoiding the DX propagation beacons)?

G6B13

35. Which of these connector types is commonly used for RF connections at frequencies up to 150 MHz?