Practice Exam

Element 3: General

G9C15

1. What is meant by the terms dBi and dBd when referring to antenna gain?

G0B10

2. Which of the following is a danger from lead-tin solder?

G2E15

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

G4D01

4. What is the purpose of a speech processor as used in a modern transceiver?

G2A12

5. What control is typically adjusted for proper ALC setting on an amateur single sideband transceiver?

G1E07

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

Figure

G7A11

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

G4C03

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

G5B06

9. What is the output PEP from a transmitter if an oscilloscope measures 200 volts peak-to-peak across a 50 ohm dummy load connected to the transmitter output?

G6A14

10. Which of the following is an advantage of ceramic capacitors as compared to other types of capacitors?

G2C03

11. What does it mean when a CW operator sends "KN" at the end of a transmission?

G9D11

12. Which of the following is a disadvantage of multiband antennas?

G8C10

13. How does forward error correction (FEC) allow the receiver to correct errors in received data packets?

G3C05

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

G1D02

15. What license examinations may you administer when you are an accredited VE holding a General class operator license?

G8A08

16. Which of the following is an effect of overmodulation?

G1B09

17. On what HF frequencies are automatically controlled beacons permitted?

G2B01

18. Which of the following is true concerning access to frequencies in non-emergency situations?

G8B08

19. Why is it important to know the duty cycle of the mode you are using when transmitting?

G3B01

20. What is a characteristic of skywave signals arriving at your location by both short-path and long-path propagation?

G3A03

21. Approximately how long does it take the increased ultraviolet and X-ray radiation from solar flares to affect radio propagation on Earth?

G5C07

22. What is the turns ratio of a transformer used to match an audio amplifier having 600 ohm output impedance to a speaker having 4 ohm impedance?

G4B10

23. Which of the following can be determined with a directional wattmeter?

G9B11

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

G1C07

25. What is the maximum symbol rate permitted for RTTY or data emission transmission on the 20-meter band?

G0A04

26. What does "time averaging" mean in reference to RF radiation exposure?

G1A11

27. When General class licensees are not permitted to use the entire voice portion of a band, which portion of the voice segment is generally available to them?

G7C09

28. What is the phase difference between the I and Q signals that software-defined radio (SDR) equipment uses for modulation and demodulation?

G5A07

29. What happens when the impedance of an electrical load is equal to the output impedance of a power source, assuming both impedances are resistive?

G7B07

30. Which of the following are basic components of a sine wave oscillator?

G2D07

31. Which of the following are examples of the NATO Phonetic Alphabet?

G4E09

32. What is the approximate open-circuit voltage from a fully illuminated silicon photovoltaic cell?

G4A16

33. How does a noise blanker work?

G6B09

34. Which of the following is a characteristic of a liquid crystal display?

G9A03

35. What is the typical characteristic impedance of "window line" parallel transmission line?