Practice Exam

Element 3: General

G3B04

1. What is a reliable way to determine if the Maximum Usable Frequency (MUF) is high enough to support skip propagation between your station and a distant location on frequencies between 14 and 30 MHz?

G4D07

2. 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?

G1A03

3. On which of the following bands is image transmission prohibited?

G1E08

4. Which of the following is a requirement for a non-licensed person to communicate with a foreign Amateur Radio station from a station with an FCC granted license at which a licensed control operator is present?

G2B02

5. What is the first thing you should do if you are communicating with another amateur station and hear a station in distress break in?

G1B10

6. What is the power limit for beacon stations?

G5B03

7. How many watts of electrical power are used if 400 VDC is supplied to an 800-ohm load?

G8A02

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

G2D08

9. Why do many amateurs keep a log even though the FCC doesn't require it?

G0B14

10. Which of the following is covered by the National Electrical Code?

G8B04

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

G3A10

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

G4E10

13. What is the reason a series diode is connected between a solar panel and a storage battery that is being charged by the panel?

G6C03

14. Which of the following is an advantage of CMOS integrated circuits compared to TTL integrated circuits?

G2C08

15. What prosign is sent to indicate the end of a formal message when using CW?

G1D07

16. Volunteer Examiners are accredited by what organization?

G5C10

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

G2E04

18. What segment of the 20 meter band is most often used for data transmissions?

G1C08

19. What is the maximum symbol rate permitted for RTTY or data emission transmitted at frequencies below 28 MHz?

G2A05

20. Which mode of voice communication is most commonly used on the high frequency amateur bands?

G5A03

21. Which of the following causes opposition to the flow of alternating current in an inductor?

G9D02

22. Which of the following is an advantage of an NVIS antenna?

G9C20

23. How does the gain of two 3-element horizontally polarized Yagi antennas spaced vertically 1/2 wavelength apart typically compare to the gain of a single 3-element Yagi?

G6A12

24. What is a common name for an inductor used to help smooth the DC output from the rectifier in a conventional power supply?

G7C07

25. What is the simplest combination of stages that implement a superheterodyne receiver?

G6B15

26. When is it acceptable to recharge a carbon-zinc primary cell?

G4C12

27. Which of the following is an advantage of a receiver Digital Signal Processor IF filter as compared to an analog filter?

G7B03

28. Which of the following describes the function of a two input AND gate?

G4A11

29. Which of the following is a use for the IF shift control on a receiver?

G4B14

30. What is an instance in which the use of an instrument with analog readout may be preferred over an instrument with a numerical digital readout?

G0A09

31. What type of instrument can be used to accurately measure an RF field?

G3C05

32. Why is long distance communication on the 40, 60, 80 and 160 meter bands more difficult during the day?

G9B10

33. What is the approximate length for a 1/2-wave dipole antenna cut for 14.250 MHz?

G9A04

34. What is the reason for the occurrence of reflected power at the point where a feed line connects to an antenna?

G7A07

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