Practice Exam

Element 3: General

G4A15

1. Which of the following can be a symptom of transmitted RF being picked up by an audio cable carrying AFSK data signals between a computer and a transceiver?

G1D10

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

G1C01

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

G9C02

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

G6A09

5. Which of the following describes the construction of a MOSFET?

G0A01

6. What is one way that RF energy can affect human body tissue?

G9D05

7. What is an advantage of vertical stacking of horizontally polarized Yagi antennas?

G2D11

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

G7A04

9. What is an advantage of a half-wave rectifier in a power supply?

G5A08

10. What is one reason to use an impedance matching transformer?

G3B08

11. What does MUF stand for?

G9B11

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

G8C01

13. On what band do amateurs share channels with the unlicensed Wi-Fi service?

G2E11

14. Which of the following is characteristic of the FT8 mode of the WSJT-X family?

G4D11

15. How close to the upper edge of the phone segment should your displayed carrier frequency be when using 3 kHz wide USB?

G3C10

16. What is Near Vertical Incidence Skywave (NVIS) propagation?

G4B09

17. Which of the following can be determined with a field strength meter?

G4C03

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

G5B04

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

G7B10

20. Which of the following describes a linear amplifier?

G8A05

21. What type of modulation varies the instantaneous power level of the RF signal?

G5C12

22. What is the capacitance of a 20 microfarad capacitor connected in series with a 50 microfarad capacitor?

G8B11

23. What combination of a mixer's Local Oscillator (LO) and RF input frequencies is found in the output?

G0B04

24. Which of the following is a primary reason for not placing a gasoline-fueled generator inside an occupied area?

G2B03

25. What is good amateur practice if propagation changes during a contact and you notice interference from other stations on the frequency?

G1A10

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

G2A10

27. Which of the following statements is true of voice VOX operation versus PTT operation?

G6B11

28. What is a type SMA connector?

G7C08

29. What circuit is used in analog FM receivers to convert IF output signals to audio?

G9A04

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

G3A12

31. What does the K-index indicate?

G1B01

32. What is the maximum height above ground to which an antenna structure may be erected without requiring notification to the FAA and registration with the FCC, provided it is not at or near a public use airport?

G4E07

33. Which of the following may cause receive interference in a radio installed in a vehicle?

G1E07

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

G2C11

35. What does the Q signal "QRV" mean?