Practice Exam

Element 3: General (Expires June 30)

Study material for this question can be found in the following resources:

G2B06

1. What is a practical way to avoid harmful interference on an apparently clear frequency before calling CQ on CW or phone?

Study material for this question can be found in the following resources:

G2D08

2. What is a reason why many amateurs keep a station log?

Study material for this question can be found in the following resources:

G4D05

3. How does a signal that reads 20 dB over S9 compare to one that reads S9 on a receiver, assuming a properly calibrated S meter?

Study material for this question can be found in the following resources:

G5A13

4. Which of the following devices can be used for impedance matching at radio frequencies?

Study material for this question can be found in the following resources:

G6A08

5. Why must the cases of some large power transistors be insulated from ground?

Study material for this question can be found in the following resources:

G5B06

6. 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?

Study material for this question can be found in the following resources:

G7C01

7. Which of the following is used to process signals from the balanced modulator then send them to the mixer in some single sideband phone transmitters?

Study material for this question can be found in the following resources:

G4E01

8. What is the purpose of a capacitance hat on a mobile antenna?

Study material for this question can be found in the following resources:

G7A06

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

Study material for this question can be found in the following resources:

G1C01

10. What is the maximum transmitting power an amateur station may use on 10.140 MHz?

Study material for this question can be found in the following resources:

G9C14

11. How does the forward gain of a two-element quad antenna compare to the forward gain of a three-element Yagi antenna?

Study material for this question can be found in the following resources:

G5C11

12. What is the inductance of a 20 millihenry inductor connected in series with a 50 millihenry inductor?

Study material for this question can be found in the following resources:

G9A03

13. What is the characteristic impedance of flat ribbon TV type twinlead?

Study material for this question can be found in the following resources:

G0B01

14. Which wire or wires in a four-conductor connection should be attached to fuses or circuit breakers in a device operated from a 240 VAC single phase source?

Study material for this question can be found in the following resources:

G7B12

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

Study material for this question can be found in the following resources:

G3A15

16. How long does it take charged particles from coronal mass ejections to affect radio propagation on the Earth?

Study material for this question can be found in the following resources:

G0A01

17. What is one way that RF energy can affect human body tissue?

Study material for this question can be found in the following resources:

G8A04

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

Study material for this question can be found in the following resources:

G4B14

19. What is an instance in which the use of an instrument with analog readout may be preferred over an instrument with a digital readout?

Study material for this question can be found in the following resources:

G3C09

20. What type of radio wave propagation allows a signal to be detected at a distance too far for ground wave propagation but too near for normal sky-wave propagation?

Study material for this question can be found in the following resources:

G8B06

21. What is the total bandwidth of an FM phone transmission having 5 kHz deviation and 3 kHz modulating frequency?

Study material for this question can be found in the following resources:

G4C10

22. What could be a symptom of a ground loop somewhere in your station?

Study material for this question can be found in the following resources:

G2C05

23. What is the best speed to use when answering a CQ in Morse code?

Study material for this question can be found in the following resources:

G4A02

24. What is one advantage of selecting the opposite or "reverse" sideband when receiving CW signals on a typical HF transceiver?

Study material for this question can be found in the following resources:

G9D03

25. At what height above ground is an NVIS antenna typically installed?

Study material for this question can be found in the following resources:

G8C12

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

Study material for this question can be found in the following resources:

G2E07

27. What segment of the 80-meter band is most commonly used for digital transmissions?

Study material for this question can be found in the following resources:

G1E04

28. Which of the following conditions require a licensed Amateur Radio operator to take specific steps to avoid harmful interference to other users or facilities?

Study material for this question can be found in the following resources:

G1A06

29. Which of the following frequencies is within the General Class portion of the 75-meter phone band?

Study material for this question can be found in the following resources:

G3B03

30. Which of the following applies when selecting a frequency for lowest attenuation when transmitting on HF?

Study material for this question can be found in the following resources:

G1B12

31. Who or what determines "good engineering and good amateur practice" as applied to the operation of an amateur station in all respects not covered by the Part 97 rules?

Study material for this question can be found in the following resources:

G6B11

32. What is a microprocessor?

Study material for this question can be found in the following resources:

G1D04

33. Which of the following is a requirement for administering a Technician Class license examination?

Study material for this question can be found in the following resources:

G2A04

34. Which mode is most commonly used for voice communications on the 17-meter and 12-meter bands?

Study material for this question can be found in the following resources:

G9B07

35. 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?