Practice Exam

Element 3: General

G2A02

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

G7B01

2. What is the reason for neutralizing the final amplifier stage of a transmitter?

G1E05

3. What types of messages for a third party in another country may be transmitted by an amateur station?

G2D04

4. Which of the following describes an azimuthal projection map?

G4C11

5. What technique helps to minimize RF "hot spots" in an amateur station?

G0A06

6. What precaution should be taken when installing a ground-mounted antenna?

G2C10

7. What does the Q signal "QRN" mean?

G3C06

8. What is a characteristic of HF scatter?

G9B04

9. What is the radiation pattern of a dipole antenna in free space in a plane containing the conductor?

G1B06

10. Under what conditions are state and local governments permitted to regulate Amateur Radio antenna structures?

G6A07

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

G4A11

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

G8B01

13. Which mixer input is varied or tuned to convert signals of different frequencies to an intermediate frequency (IF)?

G9D04

14. What is the primary purpose of antenna traps?

G1A10

15. Which of the following frequencies is available to a control operator holding a General class license?

Figure

G7A10

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

G2B09

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

G5C01

18. What causes a voltage to appear across the secondary winding of a transformer when an AC voltage source is connected across its primary winding?

G5A02

19. What is reactance?

G8A09

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

G4D07

21. 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?

G8C07

22. How does the receiving station respond to an ARQ data mode packet containing errors?

G0B08

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

G7C15

24. What term specifies a filter's attenuation inside its passband?

G1C15

25. What measurement is specified by FCC rules that regulate maximum power output?

G1D07

26. Volunteer Examiners are accredited by what organization?

G4B12

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

G3A09

28. What benefit can high geomagnetic activity have on radio communications?

G6B11

29. What is a type SMA connector?

G4E04

30. Why is it best NOT to draw the DC power for a 100 watt HF transceiver from a vehicle's auxiliary power socket?

G5B11

31. What is the ratio of peak envelope power to average power for an unmodulated carrier?

G3B10

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

G9C04

33. How does antenna gain stated in dBi compare to gain stated in dBd for the same antenna?

G2E15

34. Which of the following is a requirement when using the FT8 digital mode?

G9A04

35. What might cause reflected power at the point where a feed line connects to an antenna?