Practice Exam

Element 3: General

G8C13

1. What is indicated on a waterfall display by one or more vertical lines on either side of a data mode or RTTY signal?

G4D05

2. 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?

G9C03

3. How do the lengths of a three-element Yagi reflector and director compare to that of the driven element?

G7C01

4. What circuit is used to select one of the sidebands from a balanced modulator?

G4A10

5. What is the function of an electronic keyer?

G2B07

6. Which of the following complies with commonly accepted amateur practice when choosing a frequency on which to initiate a call?

G5C07

7. What transformer turns ratio matches an antenna's 600-ohm feed point impedance to a 50-ohm coaxial cable?

G9B11

8. What is the approximate length for a 1/2 wave dipole antenna cut for 3.550 MHz?

G5B10

9. What percentage of power loss is equivalent to a loss of 1 dB?

G9D09

10. What is the primary use of a Beverage antenna?

G7A02

11. Which of the following components are used in a power supply filter network?

G1A01

12. On which HF and/or MF amateur bands are there portions where General class licensees cannot transmit?

G8B12

13. What process combines two signals in a non-linear circuit to produce unwanted spurious outputs?

G2D02

14. Which of the following are objectives of the Volunteer Monitor Program?

G4B12

15. What effect can strong signals from nearby transmitters have on an antenna analyzer?

G4C08

16. Which of the following would reduce RF interference caused by common-mode current on an audio cable?

G1C11

17. What measurement is specified by FCC rules that regulate maximum power?

G2E06

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

G8A05

19. What type of modulation varies the instantaneous power level of the RF signal?

G5A03

20. Which of the following is opposition to the flow of alternating current in an inductor?

G1D04

21. Who must observe the administration of a Technician class license examination?

G6B03

22. Which of the following is an advantage of CMOS integrated circuits compared to TTL integrated circuits?

G9A09

23. What standing wave ratio results from connecting a 50-ohm feed line to a 200-ohm resistive load?

G1B01

24. What is the maximum height above ground for an antenna structure not near a public use airport without requiring notification to the FAA and registration with the FCC?

G4E07

25. Which of the following may cause receive interference to an HF transceiver installed in a vehicle?

G0B07

26. Which of these choices should be observed when climbing a tower using a safety harness?

G1E10

27. Why should an amateur operator normally avoid transmitting on 14.100, 18.110, 21.150, 24.930 and 28.200 MHz?

G3B10

28. What is the approximate maximum distance along the Earth's surface normally covered in one hop using the E region?

G2C07

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

G3A04

30. Which of the following are the least reliable bands for long-distance communications during periods of low solar activity?

G7B06

31. What is a shift register?

G2A04

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

G0A06

33. What must you do if your station fails to meet the FCC RF exposure exemption criteria?

G6A04

34. Which of the following is characteristic of an electrolytic capacitor?

G3C11

35. Which ionospheric region is the most absorbent of signals below 10 MHz during daylight hours?