Practice Exam

Element 3: General

G7B06

1. What is a shift register?

G2B10

2. When is an amateur station allowed to use any means at its disposal to assist another station in distress?

G3B08

3. What does MUF stand for?

G5B01

4. What dB change represents a factor of two increase or decrease in power?

G9C10

5. Which of the following can be adjusted to optimize forward gain, front-to-back ratio, or SWR bandwidth of a Yagi antenna?

G2C07

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

G1A04

7. Which of the following amateur bands is restricted to communication only on specific channels, rather than frequency ranges?

G8A06

8. Which of the following is characteristic of QPSK31?

G2E15

9. Which of the following is a requirement when using the FT8 digital mode?

G9A08

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

G4A12

11. Which of the following is a common use for the dual-VFO feature on a transceiver?

G0B02

12. According the National Electrical Code, what is the minimum wire size that may be used safely for wiring with a 20 ampere circuit breaker?

G5A08

13. What is one reason to use an impedance matching transformer?

G9D03

14. In which direction is the maximum radiation from a portable VHF/UHF "halo" antenna?

G8C08

15. Which of the following statements is true about PSK31?

G1D01

16. Who may receive partial credit for the elements represented by an expired Amateur Radio license?

G4E06

17. What is one disadvantage of using a shortened mobile antenna as opposed to a full-size antenna?

G1E05

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

G6A10

19. Which element of a triode vacuum tube is used to regulate the flow of electrons between cathode and plate?

G9B07

20. How does the feed-point impedance of a 1/2 wave dipole antenna change as the antenna is lowered below 1/4 wave above ground?

G2A09

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

G4D01

22. What is the purpose of a speech processor as used in a modern transceiver?

G7A02

23. Which of the following components are used in a power supply filter network?

G3C01

24. Which ionospheric layer is closest to the surface of Earth?

G3A03

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

G1C06

26. What is the limit for transmitter power on the 1.8 MHz band?

G0A04

27. What does "time averaging" mean in reference to RF radiation exposure?

G4C06

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

G8B07

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

G2D02

30. Which of the following are objectives of the Volunteer Monitoring Program?

G7C03

31. What circuit is used to process signals from the RF amplifier and local oscillator then send the result to the IF filter in a superheterodyne receiver?

G1B03

32. Which of the following is a purpose of a beacon station as identified in the FCC rules?

G6B02

33. What is meant by the term MMIC?

G5C06

34. What is the RMS voltage across a 500-turn secondary winding in a transformer if the 2250-turn primary is connected to 120 VAC?

G4B02

35. Which of the following is an advantage of an oscilloscope versus a digital voltmeter?