Practice Exam

Element 3: General (EXPIRED)

G5A08

1. Why is impedance matching important?

G6B12

2. What is the primary purpose of a screen grid in a vacuum tube?

G4D08

3. What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz?

G4C03

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

G5C14

5. Which of the following components should be added to an inductor to increase the inductance?

G9D09

6. Which of the following is an application for a Beverage antenna?

G8A03

7. What is the name of the process which changes the frequency of an RF wave to convey information?

G3A02

8. What effect does a Sudden Ionospheric Disturbance have on the daytime ionospheric propagation of HF radio waves?

G3C06

9. What is a characteristic of HF scatter signals?

G6C13

10. Which of these connector types is commonly used for RF service at frequencies up to 150 MHz?

G7A03

11. What is the peak-inverse-voltage across the rectifiers in a full-wave bridge power supply?

G1B02

12. With which of the following conditions must beacon stations comply?

G4B10

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

G0A13

14. What precaution should be taken when installing a ground-mounted antenna?

G1A12

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

G9B11

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

G7B14

17. Which of the following describes a linear amplifier?

G7C06

18. What should be the impedance of a low-pass filter as compared to the impedance of the transmission line into which it is inserted?

G2D02

19. Which of the following are objectives of the Amateur Auxiliary?

G2A06

20. Which of the following is an advantage when using single sideband as compared to other analog voice modes on the HF amateur bands?

G9A04

21. What is the reason for the occurrence of reflected power at the point where a feed line connects to an antenna?

G5B10

22. What percentage of power loss would result from a transmission line loss of 1 dB?

G0B16

23. When might a lead acid storage battery give off explosive hydrogen gas?

G1E08

24. Which of the following is a requirement for a non-licensed person to communicate with a foreign Amateur Radio station from a station with an FCC granted license at which a licensed control operator is present?

G6A02

25. Which of the following types of capacitors are often used in power supply circuits to filter the rectified AC?

G2B04

26. When selecting a CW transmitting frequency, what minimum frequency separation should you allow in order to minimize interference to stations on adjacent frequencies?

G2E05

27. Which of the following describes Baudot code?

G4E03

28. Which of the following direct, fused power connections would be the best for a 100-watt HF mobile installation?

G8B11

29. How does forward error correction allow the receiver to correct errors in received data packets?

G3B05

30. What usually happens to radio waves with frequencies below the Maximum Usable Frequency (MUF) and above the Lowest Usable Frequency (LUF) when they are sent into the ionosphere?

G1D02

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

G9C06

32. Which of the following is a reason why a Yagi antenna is often used for radio communications on the 20 meter band?

G4A01

33. What is the purpose of the "notch filter" found on many HF transceivers?

G1C09

34. What is the maximum symbol rate permitted for RTTY or data emission transmitted on the 1.25 meter and 70 centimeter bands

G2C04

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