Practice Exam

Element 3: General

G3C08

1. Why are HF scatter signals in the skip zone usually weak?

G6B10

2. How does a ferrite bead or core reduce common-mode RF current on the shield of a coaxial cable?

G8A04

3. What emission is produced by a reactance modulator connected to a transmitter RF amplifier stage?

G1D02

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

G2B03

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

G5C05

6. If three equal value resistors in series produce 450 ohms, what is the value of each resistor?

G4B06

7. What is an advantage of a digital voltmeter as compared to an analog voltmeter?

G9C09

8. How does the gain of two three-element, horizontally polarized Yagi antennas spaced vertically 1/2 wavelength apart typically compare to the gain of a single three-element Yagi?

G0A11

9. What precaution should you take if you install an indoor transmitting antenna?

G8C13

10. What is indicated on a waterfall display by one or more vertical lines on either side of a digital signal?

G7B02

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

G1E08

12. What is the maximum PEP output allowed for spread spectrum transmissions?

G8B01

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

G2C01

14. Which of the following describes full break-in telegraphy (QSK)?

G3B01

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

G7C15

16. What term specifies a filter's attenuation inside its passband?

G4D02

17. Which of the following describes how a speech processor affects a transmitted single sideband phone signal?

G0B05

18. Which of the following conditions will cause a Ground Fault Circuit Interrupter (GFCI) to disconnect the 120 or 240 Volt AC line power to a device?

G1C08

19. What is the maximum symbol rate permitted for RTTY or data emission transmitted at frequencies below 28 MHz?

G9A10

20. What standing wave ratio will result when connecting a 50 ohm feed line to a non-reactive load having 10 ohm impedance?

G5A02

21. What is reactance?

G6A11

22. What happens when an inductor is operated above its self-resonant frequency?

G9D08

23. How does a "screwdriver" mobile antenna adjust its feed-point impedance?

Figure

G7A09

24. Which symbol in figure G7-1 represents a field effect transistor?

G9B07

25. How does the feed-point impedance of a 1/2 wave dipole antenna change as the antenna is lowered below 1/4 wave above ground?

G1A11

26. 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?

G2E13

27. Which communication system sometimes uses the internet to transfer messages?

G2D05

28. Which of the following is a good way to indicate on a clear frequency in the HF phone bands that you are looking for a contact with any station?

G2A06

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

G4E04

30. Why is it best NOT to draw the DC power for a 100 watt HF transceiver from a vehicle's auxiliary power socket?

G4C02

31. Which of the following could be a cause of interference covering a wide range of frequencies?

G3A13

32. What does the A-index indicate?

G5B05

33. How many watts are dissipated when a current of 7.0 milliamperes flows through a 1250 ohm resistance?

G4A01

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

G1B06

35. Under what conditions are state and local governments permitted to regulate Amateur Radio antenna structures?