Practice Exam

Element 3: General

Study material for this question can be found in the following resources:

G4E07

1. Which of the following may cause interference to be heard in the receiver of an HF radio installed in a recent model vehicle?

Study material for this question can be found in the following resources:

G0A02

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

Study material for this question can be found in the following resources:

G9C18

3. What happens when the feed point of a quad antenna of any shape is moved from the midpoint of the top or bottom to the midpoint of either side?

Study material for this question can be found in the following resources:

G2D10

4. What is QRP operation?

Study material for this question can be found in the following resources:

G9D03

5. At what height above ground is an NVIS antenna typically installed?

Study material for this question can be found in the following resources:

G3C02

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

Study material for this question can be found in the following resources:

G4B12

7. What problem can occur when making measurements on an antenna system with an antenna analyzer?

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Figure

G7A13

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

Study material for this question can be found in the following resources:

G8B04

9. What is the stage in a VHF FM transmitter that generates a harmonic of a lower frequency signal to reach the desired operating frequency?

Study material for this question can be found in the following resources:

G1E03

10. What is required to conduct communications with a digital station operating under automatic control outside the automatic control band segments?

Study material for this question can be found in the following resources:

G5A01

11. What is impedance?

Study material for this question can be found in the following resources:

G6B09

12. Which of the following is a characteristic of a liquid crystal display?

Study material for this question can be found in the following resources:

G2E05

13. What is the standard sideband used to generate a JT65 or JT9 digital signal when using AFSK in any amateur band?

Study material for this question can be found in the following resources:

G4D10

14. 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?

Study material for this question can be found in the following resources:

G4A01

15. What is the purpose of the "notch filter" found on many HF transceivers?

Study material for this question can be found in the following resources:

G1A13

16. What is the appropriate action if, when operating on either the 30-meter or 60-meter bands, a station in the primary service interferes with your contact?

Study material for this question can be found in the following resources:

G2C07

17. When sending CW, what does a "C" mean when added to the RST report?

Study material for this question can be found in the following resources:

G3A04

18. Which of the following are least reliable for long distance communications during periods of low solar activity?

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G2A02

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

Study material for this question can be found in the following resources:

G8A01

20. How is an FSK signal generated?

Study material for this question can be found in the following resources:

G2B09

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

Study material for this question can be found in the following resources:

G7B06

22. What is a shift register?

Study material for this question can be found in the following resources:

G8C09

23. What does the number 31 represent in "PSK31"?

Study material for this question can be found in the following resources:

G1C02

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

Study material for this question can be found in the following resources:

G7C10

25. How is Digital Signal Processor filtering accomplished?

Study material for this question can be found in the following resources:

G1D07

26. Volunteer Examiners are accredited by what organization?

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G5C07

27. 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?

Study material for this question can be found in the following resources:

G9B08

28. How does the feed point impedance of a 1/2 wave dipole change as the feed point is moved from the center toward the ends?

Study material for this question can be found in the following resources:

G1B01

29. 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?

Study material for this question can be found in the following resources:

G6A11

30. Which of the following solid state devices is most like a vacuum tube in its general operating characteristics?

Study material for this question can be found in the following resources:

G9A13

31. What standing wave ratio will result when connecting a 50 ohm feed line to an antenna that has a purely resistive 300 ohm feed point impedance?

Study material for this question can be found in the following resources:

G3B10

32. What is the approximate maximum distance along the Earth's surface that is normally covered in one hop using the E region?

Study material for this question can be found in the following resources:

G4C07

33. What is one good way to avoid unwanted effects of stray RF energy in an amateur station?

Study material for this question can be found in the following resources:

G0B01

34. Which wire or wires in a four-conductor connection should be attached to fuses or circuit breakers in a device operated from a 240 VAC single phase source?

Study material for this question can be found in the following resources:

G5B12

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