Practice Exam

Element 3: General

G1C02

1. What is the maximum transmitting power an amateur station may use on the 12 meter band?

G2A02

2. Which of the following modes is most commonly used for voice communications on the 160, 75, and 40 meter bands?

G6B07

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

G9C10

4. Which of the following is a Yagi antenna design variable that could be adjusted to optimize forward gain, front-to-back ratio, or SWR bandwidth?

Figure

G7A10

5. Which symbol in figure G7-1 represents a Zener diode?

G9B06

6. Where should the radial wires of a ground-mounted vertical antenna system be placed?

G4D06

7. Where is an S meter found?

G5C12

8. What is the capacitance of a 20 microfarad capacitor in series with a 50 microfarad capacitor?

G7B09

9. What determines the frequency of an LC oscillator?

G6C18

10. What is a type SMA connector?

G1B05

11. When may music be transmitted by an amateur station?

G9D09

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

G1D04

13. Which of the following is a requirement for administering a Technician Class operator examination?

G4C03

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

G8B07

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

G9A12

16. What would be the SWR if you feed a vertical antenna that has a 25-ohm feed-point impedance with 50-ohm coaxial cable?

G2B07

17. Which of the following complies with good amateur practice when choosing a frequency on which to initiate a call?

G4A06

18. What type of device is often used to enable matching the transmitter output to an impedance other than 50 ohms?

G6A01

19. Which of the following is an important characteristic for capacitors used to filter the DC output of a switching power supply?

G5B06

20. 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?

G8A10

21. What is meant by flat-topping of a single-sideband phone transmission?

G0A10

22. What is one thing that can be done if evaluation shows that a neighbor might receive more than the allowable limit of RF exposure from the main lobe of a directional antenna?

G4E02

23. What is the purpose of a "corona ball" on a HF mobile antenna?

G1E10

24. What portion of the 10 meter band is available for repeater use?

G3B01

25. How might a sky-wave signal sound if it arrives at your receiver by both short path and long path propagation?

G2E12

26. How does the receiving station respond to an ARQ data mode packet containing errors?

G0B04

27. Which of the following is a primary reason for not placing a gasoline-fueled generator inside an occupied area?

G3C10

28. Which of the following might be an indication that signals heard on the HF bands are being received via scatter propagation?

G2C09

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

G2D04

30. Which of the following describes an azimuthal projection map?

G4B04

31. What signal source is connected to the vertical input of an oscilloscope when checking the RF envelope pattern of a transmitted signal?

G5A10

32. What unit is used to measure impedance?

G7C08

33. What type of circuit is used in many FM receivers to convert signals coming from the IF amplifier to audio?

G1A08

34. Which of the following frequencies is within the General Class portion of the 20 meter phone band?

G3A06

35. What is a geomagnetic storm?