Practice Exam

Element 3: General

G2C07

1. When sending CW, what does a "C" mean when added to the RST report?

G4C08

2. Which of the following would reduce RF interference caused by common-mode current on an audio cable?

G8A06

3. What is one advantage of carrier suppression in a single-sideband phone transmission?

G9A02

4. What are the typical characteristic impedances of coaxial cables used for antenna feed lines at amateur stations?

G4E10

5. What is the reason a series diode is connected between a solar panel and a storage battery that is being charged by the panel?

G8B05

6. Why isn't frequency modulated (FM) phone used below 29.5 MHz?

G2D03

7. What skills learned during "hidden transmitter hunts" are of help to the Amateur Auxiliary?

G9B09

8. Which of the following is an advantage of a horizontally polarized as compared to vertically polarized HF antenna?

G9D02

9. Which of the following is an advantage of an NVIS antenna?

G2B09

10. Who may be the control operator of an amateur station transmitting in RACES to assist relief operations during a disaster?

G1E06

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

G0B11

12. Which of the following is good engineering practice for lightning protection grounds?

G7A08

13. Which of the following is an advantage of a switch-mode power supply as compared to a linear power supply?

G9C17

14. Approximately how long is each leg of a symmetrical delta-loop antenna?

G5B04

15. How many watts of electrical power are used by a 12-VDC light bulb that draws 0.2 amperes?

G7C11

16. What is meant by the term "software defined radio" (SDR)?

G2A06

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

G3B10

18. What is the approximate maximum distance along the Earth's surface that is normally covered in one hop using the E region?

G5A09

19. What unit is used to measure reactance?

G6A07

20. Which of the following is a reason not to use wire-wound resistors in an RF circuit?

G4B12

21. What problem can occur when making measurements on an antenna system with an antenna analyzer?

G1B05

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

G3C05

23. Why is long distance communication on the 40, 60, 80 and 160 meter bands more difficult during the day?

G3A01

24. What is the sunspot number?

G4D10

25. How close to the lower edge of the 40 meter General Class phone segment should your displayed carrier frequency be when using 3 kHz wide LSB?

G1C04

26. Which of the following is a limitation on transmitter power on the 14 MHz band?

G7B06

27. What is a shift register?

G6C06

28. Which of the following describes an integrated circuit operational amplifier?

G1D07

29. Volunteer Examiners are accredited by what organization?

G5C05

30. If three equal value resistors in parallel produce 50 ohms of resistance, and the same three resistors in series produce 450 ohms, what is the value of each resistor?

G2E09

31. In what segment of the 20 meter band are most PSK31 operations commonly found?

G6B06

32. Which of the following is an advantage of using a Schottky diode in an RF switching circuit as compared to a standard silicon diode?

G0A09

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

G1A05

34. Which of the following frequencies is in the General Class portion of the 40 meter band?

G4A11

35. Which of the following is a use for the IF shift control on a receiver?