Practice Exam

Element 3: General

G7B05

1. How many states does a 3-bit binary counter have?

G0A02

2. Which of the following is used to determine RF exposure from a transmitted signal?

G2A12

3. What control is typically adjusted for proper ALC setting on a single sideband transceiver?

G9A01

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

G1A07

5. On which amateur frequencies in the 10-meter band may stations with a General class control operator transmit CW emissions?

G1E06

6. The frequency allocations of which ITU region apply to radio amateurs operating in North and South America?

G4D09

7. What frequency range is occupied by a 3 kHz USB signal with the displayed carrier frequency set to 14.347 MHz?

G2B11

8. How often may RACES training drills and tests be routinely conducted without special authorization?

G4A10

9. What is the function of an electronic keyer?

G9D11

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

G1B08

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

G9C10

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

G5B03

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

G3B07

14. What does LUF stand for?

G6A08

15. Which of the following is characteristic of low voltage ceramic capacitors?

G8C10

16. How does forward error correction (FEC) allow the receiver to correct data errors?

G2E14

17. What could be wrong if you cannot decode an RTTY or other FSK signal even though it is apparently tuned in properly?

G3C06

18. What is a characteristic of HF scatter?

G2C06

19. What does the term "zero beat" mean in CW operation?

G7A03

20. Which type of rectifier circuit uses two diodes and a center-tapped transformer?

G8A01

21. How is direct binary FSK modulation generated?

G9B11

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

G4B11

23. Which of the following must be connected to an antenna analyzer when it is being used for SWR measurements?

G7C11

24. Which of these functions is performed by software in a software-defined radio (SDR)?

G4E03

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

G2D07

26. Which of the following are examples of the NATO Phonetic Alphabet?

G5A01

27. What happens when inductive and capacitive reactance are equal in a series LC circuit?

G0B02

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

G3A06

29. What is a geomagnetic storm?

G1C09

30. What is the maximum power limit on the 60-meter band?

G6B05

31. What is an advantage of using a ferrite core toroidal inductor?

G5C08

32. What is the equivalent capacitance of two 5.0-nanofarad capacitors and one 750-picofarad capacitor connected in parallel?

G1D10

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

G4C05

34. What is a possible cause of high voltages that produce RF burns?

G8B12

35. What process combines two signals in a non-linear circuit to produce unwanted spurious outputs?