Practice Exam

Element 3: General (EXPIRED)

G2B05

1. What is the customary minimum frequency separation between SSB signals under normal conditions?

G6B12

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

G1C02

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

G3C05

4. Why is long distance communication on the 40, 60, 80 and 160 meter bands more difficult during the day?

G3A10

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

G9A05

6. How does the attenuation of coaxial cable change as the frequency of the signal it is carrying increases?

G1D02

7. What license examinations may you administer when you are an accredited VE holding a General Class operator license?

G5B02

8. How does the total current relate to the individual currents in each branch of a parallel circuit?

G8B03

9. What is another term for the mixing of two RF signals?

G2E01

10. Which mode is normally used when sending an RTTY signal via AFSK with an SSB transmitter?

G2C10

11. What does the Q signal "QRQ" mean?

G3B12

12. What factors affect the Maximum Usable Frequency (MUF)?

G1B03

13. Which of the following is a purpose of a beacon station as identified in the FCC Rules?

G4D08

14. What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz?

G2A04

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

G7C04

16. What circuit is used to combine signals from the IF amplifier and BFO and send the result to the AF amplifier in a single-sideband receiver?

G4A08

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

G4C04

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

G6C01

19. Which of the following is an analog integrated circuit?

G6A12

20. What is a common name for an inductor used to help smooth the DC output from the rectifier in a conventional power supply?

G5C15

21. What is the total resistance of a 10 ohm, a 20 ohm, and a 50 ohm resistor in parallel?

G5A03

22. Which of the following causes opposition to the flow of alternating current in an inductor?

G2D03

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

G4B03

24. Which of the following is the best instrument to use when checking the keying waveform of a CW transmitter?

G8A07

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

G9C03

26. Which statement about a three-element, single-band Yagi antenna is true?

G7B05

27. How many states does a 3-bit binary counter have?

G0B03

28. Which size of fuse or circuit breaker would be appropriate to use with a circuit that uses AWG number 14 wiring?

G1A06

29. Which of the following frequencies is in the 12 meter band?

G9D09

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

G4E11

31. Which of the following is a disadvantage of using wind as the primary source of power for an emergency station?

G7A03

32. What is the peak-inverse-voltage across the rectifiers in a full-wave bridge power supply?

G0A01

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

G1E07

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

G9B03

35. What happens to the feed-point impedance of a ground-plane antenna when its radials are changed from horizontal to downward-sloping?