Practice Exam

Element 3: General (EXPIRED)

G3C11

1. Which of the following antenna types will be most effective for skip communications on 40 meters during the day?

G9B06

2. Where should the radial wires of a ground-mounted vertical antenna system be placed?

G3B12

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

G0B05

4. Which of the following conditions will cause a Ground Fault Circuit Interrupter (GFCI) to disconnect the 120 or 240 Volt AC line power to a device?

G2E04

5. What segment of the 20 meter band is most often used for data transmissions?

G3A13

6. What does the A-index indicate?

G5C10

7. What is the inductance of three 10 millihenry inductors connected in parallel?

G1B06

8. When is an amateur station permitted to transmit secret codes?

G1D04

9. Which of the following is a requirement for administering a Technician Class operator examination?

G9A07

10. What must be done to prevent standing waves on an antenna feed line?

G9D03

11. At what height above ground is an NVIS antenna typically installed?

G2D05

12. When is it permissible to communicate with amateur stations in countries outside the areas administered by the Federal Communications Commission?

G1E02

13. When may a 10 meter repeater retransmit the 2 meter signal from a station having a Technician Class control operator?

G6A07

14. Which of the following is a reason not to use wire-wound resistors in an RF circuit?

G4C03

15. What sound is heard from an audio device or telephone if there is interference from a nearby single-sideband phone transmitter?

G8B02

16. If a receiver mixes a 13.800 MHz VFO with a 14.255 MHz received signal to produce a 455 kHz intermediate frequency (IF) signal, what type of interference will a 13.345 MHz signal produce in the receiver?

G0A09

17. What type of instrument can be used to accurately measure an RF field?

G4A10

18. What is the purpose of an electronic keyer?

G2C11

19. What does the Q signal "QRV" mean?

Figure

G7A13

20. Which symbol in Figure G7-1 represents a tapped inductor?

G4D07

21. How much must the power output of a transmitter be raised to change the S- meter reading on a distant receiver from S8 to S9?

G1C09

22. What is the maximum symbol rate permitted for RTTY or data emission transmitted on the 1.25 meter and 70 centimeter bands

G9C03

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

G6C12

24. Which of the following connectors would be a good choice for a serial data port?

G5B06

25. What is the output PEP from a transmitter if an oscilloscope measures 200 volts peak-to-peak across a 50-ohm dummy load connected to the transmitter output?

G5A12

26. What is one reason to use an impedance matching transformer?

G7C11

27. What is meant by the term "software defined radio" (SDR)?

G1A02

28. On which of the following bands is phone operation prohibited?

G2A08

29. Which of the following is a recommended way to break into a conversation when using phone?

G7B03

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

G4B16

31. What signals are used to conduct a two-tone test?

G6B14

32. What is the minimum allowable discharge voltage for maximum life of a standard 12 volt lead acid battery?

G2B08

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

G8A04

34. What emission is produced by a reactance modulator connected to an RF power amplifier?

G4E09

35. What is the approximate open-circuit voltage from a modern, well-illuminated photovoltaic cell?