Practice Exam

Element 3: General

G2E13

1. What is another name for a Winlink Remote Message Server?

G2A11

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

G1E10

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

G6B10

4. How does a ferrite bead or core reduce common-mode RF current on the shield of a coaxial cable?

G1A06

5. Which of the following applies when the FCC rules designate the amateur service as a secondary user on a band?

G5A01

6. What happens when inductive and capacitive reactance are equal in a series LC circuit?

G1B10

7. What is the power limit for beacon stations?

G1D11

8. 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?

G8C02

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

G4A03

10. How does a noise blanker work?

G4C05

11. What is a possible cause of high voltages that produce RF burns?

G3A13

12. What does the A-index measure?

G2B02

13. What is the first thing you should do if you are communicating with another amateur station and hear a station in distress break in?

G8B07

14. What is the frequency deviation for a 12.21 MHz reactance modulated oscillator in a 5 kHz deviation, 146.52 MHz FM phone transmitter?

G1C05

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

G9C02

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

G5B11

17. What is the ratio of PEP to average power for an unmodulated carrier?

G7B04

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

G7A04

19. What is characteristic of a half-wave rectifier in a power supply?

G5C04

20. What is the approximate total resistance of a 100- and a 200-ohm resistor in parallel?

G0A10

21. What should be done if evaluation shows that a neighbor might experience more than the allowable limit of RF exposure from the main lobe of a directional antenna?

G7C04

22. How is a product detector used?

G6A12

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

G2D06

24. How is a directional antenna pointed when making a "long-path" contact with another station?

G9A04

25. What causes reflected power at an antenna's feed point?

G4D04

26. What does an S meter measure?

G4E10

27. Why should a series diode be connected between a solar panel and a storage battery that is being charged by the panel?

G9D04

28. What is the primary function of antenna traps?

G0B05

29. Which of the following conditions will cause a ground fault circuit interrupter (GFCI) to disconnect AC power?

G3C01

30. Which ionospheric region is closest to the surface of Earth?

G9B11

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

G8A12

32. What is QPSK modulation?

G2C09

33. What does the Q signal "QSL" mean?

G4B13

34. Which of the following can be measured with an antenna analyzer?

G3B07

35. What does LUF stand for?