Practice Exam

Element 3: General

G4E11

1. What precaution should be taken when connecting a solar panel to a lithium iron phosphate battery?

G9D05

2. What is an advantage of vertically stacking horizontally polarized Yagi antennas?

G3C10

3. What is near vertical incidence skywave (NVIS) propagation?

G9C04

4. How does antenna gain in dBi compare to gain stated in dBd for the same antenna?

G5A11

5. What letter is used to represent reactance?

G9B05

6. How does antenna height affect the azimuthal radiation pattern of a horizontal dipole HF antenna at elevation angles higher than about 45 degrees?

G5C07

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

G5B04

8. How many watts of electrical power are consumed by a 12 VDC light bulb that draws 0.2 amperes?

G7C14

9. The bandwidth of a band-pass filter is measured between what two frequencies?

G1D11

10. What action is required to obtain a new General class license after a previously held license has expired and the two-year grace period has passed?

G8B01

11. Which mixer input is varied or tuned to convert signals of different frequencies to an intermediate frequency (IF)?

G4C03

12. What sound is heard from an audio device experiencing RF interference from a single sideband phone transmitter?

G3B07

13. What does LUF stand for?

G7A01

14. What is the function of a power supply bleeder resistor?

G0B07

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

G6B03

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

G3A02

17. What effect does a sudden ionospheric disturbance have on the daytime ionospheric propagation?

G4A13

18. What is the purpose of using a receive attenuator?

G2B10

19. Which of the following is good amateur practice for net management?

G7B04

20. In a Class A amplifier, what percentage of the time does the amplifying device conduct?

G8C02

21. Which digital mode is used as a low-power beacon for assessing HF propagation?

G8A06

22. Which of the following is characteristic of QPSK31?

G1A01

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

G9A07

24. What must be done to prevent standing waves on a feed line connected to an antenna?

G2E15

25. Which of the following is a common location for FT8?

G2A11

26. Generally, who should respond to a station in the contiguous 48 states calling "CQ DX"?

G1E05

27. What are the restrictions on messages sent to a third party in a country with which there is a Third-Party Agreement?

G2C04

28. What does the Q signal "QRL?" mean?

G2D10

29. What is QRP operation?

G1B01

30. 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?

G6A03

31. What is the approximate forward threshold voltage of a germanium diode?

G0A04

32. What does "time averaging" mean when evaluating RF radiation exposure?

G4D11

33. How close to the upper edge of a band's phone segment should your displayed carrier frequency be when using 3 kHz wide USB?

G4B09

34. When is an analog multimeter preferred to a digital multimeter?

G1C05

35. What is the limit for transmitter power on the 28 MHz band for a General Class control operator?