Practice Exam

Element 2: Technician (EXPIRED)

WARNING: This question pool is EXPIRED and is no longer valid.

T9B09

1. What might cause erratic changes in SWR readings?

T2A08

2. What is the meaning of the procedural signal "CQ"?

T0C10

3. Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

T5C10

4. How much power is being used in a circuit when the applied voltage is 12 volts DC and the current is 2.5 amperes?

T6D06

5. What component is commonly used to change 120V AC house current to a lower AC voltage for other uses?

T1D04

6. What is the only time an amateur station is authorized to transmit music?

T3A04

7. What can happen if the antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

T7A03

8. What is the function of a mixer in a superheterodyne receiver?

T8B09

9. What causes "spin fading" when referring to satellite signals?

T0B06

10. What is the minimum safe distance from a power line to allow when installing an antenna?

T6A06

11. What type of electrical component stores energy in a magnetic field?

T1C02

12. Which of the following is a valid US amateur radio station call sign?

T5B07

13. If a frequency readout calibrated in megahertz shows a reading of 3.525 MHz, what would it show if it were calibrated in kilohertz?

T2B03

14. Which of the following describes the muting of receiver audio controlled solely by the presence or absence of an RF signal?

T0A04

15. What is the purpose of a fuse in an electrical circuit?

T1F08

16. When may a Technician Class licensee be the control operator of a station operating in an exclusive Extra Class operator segment of the amateur bands?

T8D01

17. Which of the following is an example of a digital communications method?

T3B01

18. What is the name for the distance a radio wave travels during one complete cycle?

T7D05

19. What instrument is used to measure resistance?

T3C05

20. What is meant by the term "knife-edge" propagation?

T4B06

21. Which of the following controls could be used if the voice pitch of a single-sideband signal seems too high or low?

T1B02

22. North American amateur stations are located in which ITU region?

T5A10

23. Which term describes the rate at which electrical energy is used?

T1A10

24. What is the FCC Part 97 definition of an amateur station?

T5D08

25. What is the current flowing through a 100-ohm resistor connected across 200 volts?

T8C02

26. Which of these items would be useful for a hidden transmitter hunt?

T2C10

27. What is the preamble in a formal traffic message?

Figure

T6C03

28. What is component 2 in figure T1?

T8A08

29. What is the approximate bandwidth of a single sideband voice signal?

T6B12

30. What is the term that describes a transistor's ability to amplify a signal?

T9A04

31. What is a disadvantage of the "rubber duck" antenna supplied with most handheld radio transceivers?

T7B01

32. What can you do if you are told your FM handheld or mobile transceiver is over deviating?

T4A07

33. How is the computer's sound card used when conducting digital communications using a computer?

T7C08

34. What instrument other than an SWR meter could you use to determine if a feedline and antenna are properly matched?

T1E04

35. What determines the transmitting privileges of an amateur station?