Practice Exam

Element 3: General (EXPIRED)

G8A01

1. What is the name of the process that changes the envelope of an RF wave to carry information?

G6A06

2. What will happen to the resistance if the temperature of a resistor is increased?

G5A12

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

G2D05

4. When is it permissible to communicate with amateur stations in countries outside the areas administered by the Federal Communications Commission?

G5B03

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

G1B05

6. When may music be transmitted by an amateur station?

G2A02

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

G2E13

8. In the PACTOR protocol, what is meant by an NAK response to a transmitted packet?

G9D10

9. Which of the following describes a Beverage antenna?

G9C02

10. What is the approximate length of the driven element of a Yagi antenna?

G9A01

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

G8B03

12. What is another term for the mixing of two RF signals?

G0B14

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

G7B12

14. Which of these classes of amplifiers has the highest efficiency?

G1C02

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

G4A10

16. What is the purpose of an electronic keyer?

Figure

G7A10

17. Which symbol in figure G7-1 represents a Zener diode?

G4B16

18. What signals are used to conduct a two-tone test?

G3A11

19. Approximately how long is the typical sunspot cycle?

G9B05

20. How does antenna height affect the horizontal (azimuthal) radiation pattern of a horizontal dipole HF antenna?

G1D02

21. What license examinations may you administer when you are an accredited VE holding a General Class operator license?

G4E03

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

G1E06

23. Which of the following applies in the event of interference between a coordinated repeater and an uncoordinated repeater?

G7C05

24. Which of the following is an advantage of a transceiver controlled by a direct digital synthesizer (DDS)?

G0A10

25. What is one thing that can be done if evaluation shows that a neighbor might receive more than the allowable limit of RF exposure from the main lobe of a directional antenna?

G6C02

26. What is meant by the term MMIC?

G3B07

27. What does LUF stand for?

G2C09

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

G1A14

29. Which of the following applies when the FCC rules designate the Amateur Service as a secondary user on a band?

G5C14

30. Which of the following components should be added to an inductor to increase the inductance?

G2B05

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

G4C05

32. What might be the problem if you receive an RF burn when touching your equipment while transmitting on an HF band, assuming the equipment is connected to a ground rod?

G4D07

33. 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?

G3C06

34. What is a characteristic of HF scatter signals?

G6B12

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