Practice Exam

Element 3: General

Figure

G7A13

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

G8C02

2. Which digital mode is used as a low-power beacon for assessing HF propagation?

G9B11

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

G4D06

4. Where is an S meter found?

G7C06

5. What should be the impedance of a low-pass filter as compared to the impedance of the transmission line into which it is inserted?

G5B02

6. How does the total current relate to the individual currents in each branch of a purely resistive parallel circuit?

G9D09

7. What is the primary use of a Beverage antenna?

G2B04

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

G9A06

9. In what units is RF feed line loss usually expressed?

G6A07

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

G2A02

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

G3B06

12. What usually happens to radio waves with frequencies below the LUF?

G4C03

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

G8B09

14. Why is it good to match receiver bandwidth to the bandwidth of the operating mode?

G1C01

15. What is the maximum transmitting power an amateur station may use on 10.140 MHz?

G7B11

16. For which of the following modes is a Class C power stage appropriate for amplifying a modulated signal?

G4A01

17. What is the purpose of the "notch filter" found on many HF transceivers?

G9C02

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

G0A09

19. What type of instrument can be used to accurately measure an RF field?

G4E05

20. Which of the following most limits an HF mobile installation?

G1D04

21. Which of the following is a requirement for administering a Technician class license examination?

G1A08

22. Which of the following frequencies is within the General class portion of the 80-meter band?

G2C04

23. What does the Q signal "QRL?" mean?

G5A02

24. What is reactance?

G8A09

25. What type of modulation is used by the FT8 digital mode?

G2D11

26. Which of the following is typical of the lower HF frequencies during the summer?

G3A11

27. How long does it take charged particles from coronal mass ejections to affect radio propagation on Earth?

G0B08

28. What should be done by any person preparing to climb a tower that supports electrically powered devices?

G3C04

29. What does the term "critical angle" mean, as used in radio wave propagation?

G1B03

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

G6B12

31. Which of these connector types is commonly used for audio signals in Amateur Radio stations?

G4B06

32. What is an advantage of a digital voltmeter as compared to an analog voltmeter?

G2E04

33. What segment of the 20-meter band is most often used for digital transmissions (avoiding the DX propagation beacons)?

G5C14

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

G1E07

35. In what part of the 13-centimeter band may an amateur station communicate with non-licensed Wi-Fi stations?