Practice Exam

Element 3: General

G5A07

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

G8A01

2. How is an FSK signal generated?

G4A10

3. What is the purpose of an electronic keyer?

G0B11

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

G3C06

5. What is a characteristic of HF scatter?

G1A01

6. On which HF/MF bands is a General class license holder granted all amateur frequency privileges?

G8B01

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

G4B15

8. What type of transmitter performance does a two-tone test analyze?

G2B05

9. When selecting an SSB transmitting frequency, what minimum separation should be used to minimize interference to stations on adjacent frequencies?

G1B08

10. When choosing a transmitting frequency, what should you do to comply with good amateur practice?

G6A07

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

G3B08

12. What does MUF stand for?

G1D08

13. Which of the following criteria must be met for a non-U.S. citizen to be an accredited Volunteer Examiner?

G7A01

14. What useful feature does a power supply bleeder resistor provide?

G7C12

15. What is the frequency above which a low-pass filter's output power is less than half the input power?

G9B12

16. What is the approximate length for a 1/4 wave vertical antenna cut for 28.5 MHz?

G1C12

17. Which of the following is required by the FCC rules when operating in the 60-meter band?

G4E02

18. What is the purpose of a corona ball on an HF mobile antenna?

G9C12

19. Which of the following is an advantage of using a gamma match with a Yagi antenna?

G3A14

20. How are radio communications usually affected by the charged particles that reach Earth from solar coronal holes?

G1E05

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

G2A12

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

G5B06

23. 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?

G4C03

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

G7B02

25. Which of these classes of amplifiers has the highest efficiency?

G2D08

26. What is a reason why many amateurs keep a station log?

G9D02

27. What is the feed-point impedance of an end-fed half-wave antenna?

G9A01

28. Which of the following factors determine the characteristic impedance of a parallel conductor antenna feed line?

G0A02

29. Which of the following properties is important in estimating whether an RF signal exceeds the maximum permissible exposure (MPE)?

G2C05

30. What is the best speed to use when answering a CQ in Morse code?

G2E11

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

G8C09

32. What does the number 31 represent in "PSK31"?

G6B09

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

G5C02

34. What happens if a signal is applied to the secondary winding of a 4:1 voltage step-down transformer instead of the primary winding?

G4D01

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