Practice Exam

Element 3: General (EXPIRED)

G9D04

1. What is the primary purpose of antenna traps?

G8B09

2. Why is it good to match receiver bandwidth to the bandwidth of the operating mode?

G4E01

3. What is a "capacitance hat", when referring to a mobile antenna?

G5C06

4. What is the RMS voltage across a 500-turn secondary winding in a transformer if the 2250-turn primary is connected to 120 VAC?

G4A08

5. What is the correct adjustment for the load or coupling control of a vacuum tube RF power amplifier?

G7B03

6. Which of the following describes the function of a two input AND gate?

G6A10

7. How should the winding axes of solenoid inductors be placed to minimize their mutual inductance?

G1A03

8. On which of the following bands is image transmission prohibited?

G4C04

9. What is the effect on an audio device or telephone system if there is interference from a nearby CW transmitter?

G1B05

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

G6B09

11. Which of the following describes the construction of a MOSFET?

G1C02

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

G7A04

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

G3C09

14. 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?

G7C06

15. What should be the impedance of a low-pass filter as compared to the impedance of the transmission line into which it is inserted?

G2C07

16. When sending CW, what does a "C" mean when added to the RST report?

G4B11

17. Which of the following must be connected to an antenna analyzer when it is being used for SWR measurements?

G0B01

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

G3B06

19. What usually happens to radio waves with frequencies below the Lowest Usable Frequency (LUF)?

G4D05

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

G8A12

21. What signal(s) would be found at the output of a properly adjusted balanced modulator?

G2B08

22. What is the "DX window" in a voluntary band plan?

G5B01

23. A two-times increase or decrease in power results in a change of how many dB?

G9A01

24. Which of the following factors determine the characteristic impedance of a parallel conductor antenna feed line?

G2A01

25. Which sideband is most commonly used for voice communications on frequencies of 14 MHz or higher?

G2E06

26. What is the most common frequency shift for RTTY emissions in the amateur HF bands?

G5A10

27. What unit is used to measure impedance?

G2D01

28. What is the Amateur Auxiliary to the FCC?

G3A06

29. What is a geomagnetic storm?

G6C17

30. What is the general description of a DIN type connector?

G1E08

31. Which of the following is a requirement for a non-licensed person to communicate with a foreign Amateur Radio station from a station with an FCC granted license at which a licensed control operator is present?

G9C06

32. Which of the following is a reason why a Yagi antenna is often used for radio communications on the 20 meter band?

G0A02

33. Which of the following properties is important in estimating whether an RF signal exceeds the maximum permissible exposure (MPE)?

G9B02

34. What is an advantage of downward sloping radials on a quarter wave ground-plane antenna?

G1D03

35. 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?