Practice Exam

Element 3: General

G5A01

1. What is impedance?

G7C03

2. What circuit is used to process signals from the RF amplifier and local oscillator then send the result to the IF filter in a superheterodyne receiver?

G8C12

3. Which type of code is used for sending characters in a PSK31 signal?

G8A05

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

G0B13

5. What must you do when powering your house from an emergency generator?

G3A12

6. What does the K-index indicate?

G1B02

7. Which of the following is true concerning access to frequencies?

G3B10

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

G5C17

9. What is the value in nanofarads (nF) of a 22,000 picofarad (pF) capacitor?

G2A08

10. What is the recommended way to break in to a phone contact?

G9B08

11. 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?

G9A01

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

G7B10

13. Which of the following describes a linear amplifier?

G1D01

14. Who may receive partial credit for the elements represented by an expired Amateur Radio license?

G6A02

15. What is an advantage of the low internal resistance of nickel-cadmium batteries?

G9D07

16. Which of the following describes a log periodic antenna?

G9C16

17. What is a beta or hairpin match?

G6B09

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

G8B01

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

G4A12

20. Which of the following is a common use for the dual-VFO feature on a transceiver?

G2E10

21. Which of the following is a way to establish contact with a digital messaging system gateway station?

G5B11

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

G1E03

23. What is required to conduct communications with a digital station operating under automatic control outside the automatic control band segments?

G4B02

24. Which of the following is an advantage of an oscilloscope versus a digital voltmeter?

G4C03

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

G4E08

26. What is the name of the process by which sunlight is changed directly into electricity?

G1C13

27. What must be done before using a new digital protocol on the air?

G0A03

28. How can you determine that your station complies with FCC RF exposure regulations?

G4D10

29. How close to the lower edge of the phone segment should your displayed carrier frequency be when using 3 kHz wide LSB?

G2B04

30. When selecting a CW transmitting frequency, what minimum separation should be used to minimize interference to stations on adjacent frequencies?

G2C11

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

G2D11

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

G1A05

33. Which of the following frequencies is in the General class portion of the 40-meter band (in ITU Region 2)?

G7A05

34. What portion of the AC cycle is converted to DC by a half-wave rectifier?

G3C01

35. Which ionospheric layer is closest to the surface of Earth?