Practice Exam

Element 3: General (EXPIRED)

WARNING: This question pool is EXPIRED and is no longer valid.

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G5B01

1. What dB change represents a two-times increase or decrease in power?

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G5A11

2. Which of the following describes one method of impedance matching between two AC circuits?

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G9D06

3. Which of the following is an advantage of a log periodic antenna?

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G2D10

4. What is QRP operation?

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G4A10

5. What is the purpose of an electronic keyer?

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G4E07

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

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G2B06

7. What is a practical way to avoid harmful interference on an apparently clear frequency before calling CQ on CW or phone?

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G9C14

8. How does the forward gain of a two-element quad antenna compare to the forward gain of a three-element Yagi antenna?

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G8B01

9. What receiver stage combines a 14.250 MHz input signal with a 13.795 MHz oscillator signal to produce a 455 kHz intermediate frequency (IF) signal?

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G3C09

10. What type of radio wave propagation allows a signal to be detected at a distance too far for ground wave propagation but too near for normal sky-wave propagation?

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G1B08

11. When choosing a transmitting frequency, what should you do to comply with good amateur practice?

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G0B01

12. 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?

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G3A07

13. At what point in the solar cycle does the 20-meter band usually support worldwide propagation during daylight hours?

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G8C11

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

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G4D07

15. How much must the power output of a transmitter be raised to change theS meter reading on a distant receiver from S8 to S9?

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G2E03

16. What symptoms may result from other signals interfering with a PACTOR or WINMOR transmission?

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G6B08

17. How is an LED biased when emitting light?

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G9B09

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

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G1A09

19. Which of the following frequencies is within the General Class portion of the 15-meter band?

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G7A07

20. What is the output waveform of an unfiltered full-wave rectifier connected to a resistive load?

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G3B12

21. What factor or factors affect the MUF?

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G0A02

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

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G8A01

23. How is an FSK signal generated?

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G2C05

24. What is the best speed to use when answering a CQ in Morse code?

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G1E07

25. With which foreign countries is third party traffic prohibited, except for messages directly involving emergencies or disaster relief communications?

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G5C10

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

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G7B09

27. What determines the frequency of an LC oscillator?

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G2A02

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

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G9A07

29. What must be done to prevent standing waves on an antenna feed line?

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G7C06

30. What should be the impedance of a low-pass filter as compared to the impedance of the transmission line into which it is inserted?

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G4B09

31. Which of the following can be determined with a field strength meter?

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G6A01

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

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G4C06

33. What effect can be caused by a resonant ground connection?

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G1C07

34. What is the maximum symbol rate permitted for RTTY or data emission transmission on the 20-meter band?

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G1D11

35. If a person has an expired FCC issued amateur radio license of General Class or higher, what is required before they can receive a new license?