Practice Exam

Element 3: General

G7B10

1. Which of the following describes a linear amplifier?

G2B08

2. What is the voluntary band plan restriction for US stations transmitting within the 48 contiguous states in the 50.1 MHz to 50.125 MHz band segment?

G4E05

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

Figure

G7A11

4. Which symbol in figure G7-1 represents an NPN junction transistor?

G1A10

5. What portion of the 10-meter band is available for repeater use?

G5B08

6. What is the peak-to-peak voltage of a sine wave with an RMS voltage of 120 volts?

G4D11

7. How close to the upper edge of a band's phone segment should your displayed carrier frequency be when using 3 kHz wide USB?

G5C02

8. What is the output voltage if an input signal is applied to the secondary winding of a 4:1 voltage step-down transformer instead of the primary winding?

G6A09

9. Which of the following describes MOSFET construction?

G2C01

10. Which of the following describes full break-in CW operation (QSK)?

G4B04

11. What signal source is connected to the vertical input of an oscilloscope when checking the RF envelope pattern of a transmitted signal?

G5A10

12. Which of the following devices can be used for impedance matching at radio frequencies?

G2E15

13. Which of the following is a common location for FT8?

G2D02

14. Which of the following are objectives of the Volunteer Monitor Program?

G3C09

15. What type of propagation allows signals to be heard in the transmitting station's skip zone?

G7C11

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

G0A05

17. What must you do if an evaluation of your station shows that the RF energy radiated by your station exceeds permissible limits for possible human absorption?

G4C03

18. What sound is heard from an audio device experiencing RF interference from a single sideband phone transmitter?

G0B12

19. What is the purpose of a power supply interlock?

G8A11

20. What is the modulation envelope of an AM signal?

G3A12

21. What does the K-index measure?

G1B03

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

G3B05

23. How does the ionosphere affect radio waves with frequencies below the MUF and above the LUF?

G4A04

24. What is the effect on plate current of the correct setting of a vacuum-tube RF power amplifier's TUNE control?

G9D01

25. Which of the following antenna types will be most effective as a near vertical incidence skywave (NVIS) antenna for short-skip communications on 40 meters during the day?

G8C02

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

G1E05

27. What are the restrictions on messages sent to a third party in a country with which there is a Third-Party Agreement?

G2A02

28. Which mode is most commonly used for voice communications on the 160-, 75-, and 40-meter bands?

G1C01

29. What is the maximum transmitter power an amateur station may use on 10.140 MHz?

G6B07

30. Which of the following describes a type N connector?

G1D04

31. Who must observe the administration of a Technician class license examination?

G9B08

32. How does the feed point impedance of a 1/2 wave dipole change as the feed point is moved from the center toward the ends?

G8B10

33. What is the relationship between transmitted symbol rate and bandwidth?

G9A09

34. What standing wave ratio results from connecting a 50-ohm feed line to a 200-ohm resistive load?

G9C03

35. How do the lengths of a three-element Yagi reflector and director compare to that of the driven element?