Practice Exam

Element 3: General

G7C10

1. How is Digital Signal Processor filtering accomplished?

G3B11

2. What happens to HF propagation when the Lowest Usable Frequency (LUF) exceeds the Maximum Usable Frequency (MUF)?

G2B05

3. What is the customary minimum frequency separation between SSB signals under normal conditions?

G7A06

4. What portion of the AC cycle is converted to DC by a full-wave rectifier?

G0B16

5. When might a lead acid storage battery give off explosive hydrogen gas?

G4B01

6. What item of test equipment contains horizontal and vertical channel amplifiers?

G8B10

7. What does the number 31 represent in PSK31?

G6A04

8. Which of the following is an advantage of an electrolytic capacitor?

G8A11

9. What happens to the RF carrier signal when a modulating audio signal is applied to an FM transmitter?

G5B07

10. Which value of an AC signal results in the same power dissipation as a DC voltage of the same value?

G1E08

11. 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?

G4D11

12. How close to the upper edge of the 20 meter General Class band should your displayed carrier frequency be when using 3 kHz wide USB?

G5A08

13. Why is impedance matching important?

G3A15

14. How long does it take charged particles from coronal mass ejections to affect radio-wave propagation on the Earth?

G9A01

15. Which of the following factors determine the characteristic impedance of a parallel conductor antenna feed line?

G2E04

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

G2D11

17. Which HF antenna would be the best to use for minimizing interference?

G1D10

18. What is the minimum age that one must be to qualify as an accredited Volunteer Examiner?

G5C06

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

G2A04

20. Which mode is most commonly used for voice communications on the 17 and 12 meter bands?

G2C03

21. What does it mean when a CW operator sends "KN" at the end of a transmission?

G4A05

22. What is a purpose of using Automatic Level Control (ALC) with a RF power amplifier?

G6C12

23. Which of the following connectors would be a good choice for a serial data port?

G1C02

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

G0A01

25. What is one way that RF energy can affect human body tissue?

G1B10

26. What is the power limit for beacon stations?

G9D01

27. What does the term "NVIS" mean as related to antennas?

G6B07

28. What are the stable operating points for a bipolar transistor used as a switch in a logic circuit?

G1A02

29. On which of the following bands is phone operation prohibited?

G4E05

30. Which of the following most limits the effectiveness of an HF mobile transceiver operating in the 75 meter band?

G3C06

31. What is a characteristic of HF scatter signals?

G9B07

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

G9C03

33. Which statement about a three-element, single-band Yagi antenna is true?

G4C03

34. What sound is heard from an audio device or telephone if there is interference from a nearby single-sideband phone transmitter?

G7B03

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