Practice Exam

Element 3: General (EXPIRED)

G4B05

1. Why is high input impedance desirable for a voltmeter?

G1A11

2. Which of the following frequencies is available to a control operator holding a General Class license?

G9D07

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

G3C12

4. Which ionospheric layer is the most absorbent of long skip signals during daylight hours on frequencies below 10 MHz?

G2A06

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

G8A06

6. What is one advantage of carrier suppression in a single-sideband phone transmission?

G0B10

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

G6A04

8. Which of the following is an advantage of an electrolytic capacitor?

G5C05

9. If three equal value resistors in parallel produce 50 ohms of resistance, and the same three resistors in series produce 450 ohms, what is the value of each resistor?

G2C09

10. What does the Q signal "QSL" mean?

G9A11

11. What standing wave ratio will result from the connection of a 50-ohm feed line to a non-reactive load having a 50-ohm impedance?

G3B05

12. 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?

G1C03

13. What is the maximum bandwidth permitted by FCC rules for Amateur Radio stations when transmitting on USB frequencies in the 60 meter band?

G2B01

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

G7A04

15. What is the peak-inverse-voltage across the rectifier in a half-wave power supply?

G6C14

16. Which of these connector types is commonly used for audio signals in Amateur Radio stations?

G7C05

17. Which of the following is an advantage of a transceiver controlled by a direct digital synthesizer (DDS)?

G5A04

18. Which of the following causes opposition to the flow of alternating current in a capacitor?

G3A05

19. What is the solar-flux index?

G5B13

20. What is the output PEP of an unmodulated carrier if an average reading wattmeter connected to the transmitter output indicates 1060 watts?

G2E11

21. What does the abbreviation "MFSK" stand for?

G4D02

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

G7B09

23. What determines the frequency of an LC oscillator?

G1B10

24. What is the power limit for beacon stations?

G4A07

25. What condition can lead to permanent damage when using a solid-state RF power amplifier?

G9B11

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

G4E10

27. What is the reason a series diode is connected between a solar panel and a storage battery that is being charged by the panel?

G2D03

28. What skills learned during "hidden transmitter hunts" are of help to the Amateur Auxiliary?

G1E07

29. With which foreign countries is third party traffic prohibited, except for messages directly involving emergencies or disaster relief communications?

G8B07

30. What is the frequency deviation for a 12.21-MHz reactance-modulated oscillator in a 5-kHz deviation, 146.52-MHz FM-phone transmitter?

G9C18

31. What happens when the feed point of a quad antenna is changed from the center of either horizontal wire to the center of either vertical wire?

G6B12

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

G0A12

33. What precaution should you take whenever you make adjustments or repairs to an antenna?

G1D03

34. On which of the following band segments may you operate if you are a Technician Class operator and have a CSCE for General Class privileges?

G4C11

35. Which of the following is one use for a Digital Signal Processor in an amateur station?