Practice Exam

Element 3: General

G6B03

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

G9C04

2. How does antenna gain in dBi compare to gain stated in dBd for the same antenna?

G4A11

3. Why should the ALC system be inactive when transmitting AFSK data signals?

G4E03

4. Which of the following direct, fused power connections would be the best for a 100-watt HF mobile installation?

G5A04

5. Which of the following is opposition to the flow of alternating current in a capacitor?

G2B04

6. When selecting a CW transmitting frequency, what minimum separation from other stations should be used to minimize interference to stations on adjacent frequencies?

G1D11

7. What action is required to obtain a new General class license after a previously held license has expired and the two-year grace period has passed?

G2A06

8. Which of the following is an advantage of using single sideband, as compared to other analog voice modes on the HF amateur bands?

G3B01

9. What is a characteristic of skywave signals arriving at your location by both short-path and long-path propagation?

G9D11

10. Which of the following is a disadvantage of multiband antennas?

G2C09

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

G1A09

12. Which of the following frequencies is within the General class portion of the 15-meter band?

G0A07

13. What is the effect of modulation duty cycle on RF exposure?

G3A02

14. What effect does a sudden ionospheric disturbance have on the daytime ionospheric propagation?

G4D06

15. How much change in signal strength is typically represented by one S unit?

G1B02

16. With which of the following conditions must beacon stations comply?

Figure

G7A13

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

G2D05

18. Which of the following indicates that you are looking for an HF contact with any station?

G2E08

19. In what segment of the 20-meter band are most digital mode operations commonly found?

G8C04

20. Which of the following describes Baudot code?

G8B10

21. What is the relationship between transmitted symbol rate and bandwidth?

G4C01

22. Which of the following might be useful in reducing RF interference to audio frequency circuits?

G9A07

23. What must be done to prevent standing waves on a feed line connected to an antenna?

G6A12

24. What is the primary purpose of a screen grid in a vacuum tube?

G5B08

25. What is the peak-to-peak voltage of a sine wave with an RMS voltage of 120 volts?

G7C06

26. Which of the following is an advantage of a digital signal processing (DSP) filter compared to an analog filter?

G8A08

27. Which of the following is an effect of overmodulation?

G3C04

28. What does the term "critical angle" mean, as applied to radio wave propagation?

G5C07

29. What transformer turns ratio matches an antenna's 600-ohm feed point impedance to a 50-ohm coaxial cable?

G0B07

30. Which of these choices should be observed when climbing a tower using a safety harness?

G9B11

31. What is the approximate length for a 1/2 wave dipole antenna cut for 3.550 MHz?

G7B01

32. What is the purpose of neutralizing an amplifier?

G4B10

33. Which of the following can be determined with a directional wattmeter?

G1C02

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

G1E12

35. When may third-party messages be transmitted via remote control?