Practice Exam

Element 3: General (EXPIRED)

G9C02

1. What is the approximate length of the driven element of a Yagi antenna?

G6B10

2. Which element of a triode vacuum tube is used to regulate the flow of electrons between cathode and plate?

G9B08

3. How does the feed-point impedance of a 1/2 wave dipole change as the feed-point location is moved from the center toward the ends?

G2B12

4. When is an amateur station allowed to use any means at its disposal to assist another station in distress?

G1E06

5. Which of the following applies in the event of interference between a coordinated repeater and an uncoordinated repeater?

G2C08

6. What prosign is sent to indicate the end of a formal message when using CW?

G2E05

7. Which of the following describes Baudot code?

G3B08

8. What does MUF stand for?

G1A05

9. Which of the following frequencies is in the General Class portion of the 40 meter band?

G9D06

10. Which of the following is an advantage of a log periodic antenna?

G6A01

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

G1D05

12. Which of the following is sufficient for you to be an administering VE for a Technician Class operator license examination?

G8A07

13. Which of the following phone emissions uses the narrowest frequency bandwidth?

G4B09

14. Which of the following can be determined with a field strength meter?

G4C03

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

G1C07

16. What is the maximum symbol rate permitted for RTTY or data emission transmission on the 20 meter band?

G0B10

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

G1B08

18. When choosing a transmitting frequency, what should you do to comply with good amateur practice?

G2A05

19. Which mode of voice communication is most commonly used on the high frequency amateur bands?

G2D04

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

G4A04

21. What reading on the plate current meter of a vacuum tube RF power amplifier indicates correct adjustment of the plate tuning control?

G5C08

22. What is the equivalent capacitance of two 5000 picofarad capacitors and one 750 picofarad capacitor connected in parallel?

G7B06

23. What is a shift register?

G5B08

24. What is the peak-to-peak voltage of a sine wave that has an RMS voltage of 120 volts?

G9A12

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

G7A08

26. Which of the following is an advantage of a switch-mode power supply as compared to a linear power supply?

G5A05

27. How does an inductor react to AC?

G6C08

28. How is an LED biased when emitting light?

G3A10

29. What causes HF propagation conditions to vary periodically in a 28-day cycle?

G7C09

30. Which of the following is needed for a Digital Signal Processor IF filter?

G4E03

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

G4D05

32. How does an S meter reading of 20 dB over S-9 compare to an S-9 signal, assuming a properly calibrated S meter?

G0A09

33. What type of instrument can be used to accurately measure an RF field?

G8B01

34. What receiver stage combines a 14.250 MHz input signal with a 13.795 MHz oscillator signal to produce a 455 kHz intermediate frequency (IF) signal?

G3C04

35. What does the term "critical angle" mean as used in radio wave propagation?