Practice Exam

Element 2: Technician (EXPIRED)

T3C08

1. What causes "tropospheric ducting"?

T2A01

2. What is the most common repeater frequency offset in the 2 meter band?

T5A02

3. Electrical power is measured in which of the following units?

T5C03

4. What is the ability to store energy in a magnetic field called?

T2C06

5. Which of the following is common practice during net operations to get the immediate attention of the net control station when reporting an emergency?

T0C11

6. What is meant by "duty cycle" when referring to RF exposure?

T8B06

7. What can be used to determine the time period during which an amateur satellite or space station can be accessed?

T8A08

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

T3A08

9. What is the cause of irregular fading of signals from distant stations during times of generally good reception?

T5D09

10. What is the current flowing through a 24-ohm resistor connected across 240 volts?

T0A08

11. What is one way to recharge a 12-volt lead-acid station battery if the commercial power is out?

T8D02

12. What does the term APRS mean?

T9A02

13. Which of the following is true regarding vertical antennas?

T7D02

14. What is the correct way to connect a voltmeter to a circuit?

T3B02

15. What term describes the number of times per second that an alternating current reverses direction?

T1F07

16. Which of the following restrictions apply when appending a self-assigned call sign indicator?

T7A06

17. What device takes the output of a low-powered 28 MHz SSB exciter and produces a 222 MHz output signal?

T2B06

18. What happens when the deviation of an FM transmitter is increased?

T6B02

19. What electronic component allows current to flow in only one direction?

T6A11

20. Which battery type is not rechargeable?

T1B10

21. Which of the bands available to Technician Class operators have mode-restricted sub-bands?

T4B05

22. Which of the following would reduce ignition interference to a receiver?

T9B03

23. Why is coaxial cable used more often than any other feedline for amateur radio antenna systems?

T1C03

24. What types of international communications are permitted by an FCC-licensed amateur station?

T0B10

25. Which of the following is true concerning grounding conductors used for lightning protection?

T6D09

26. What is the name of a device that combines several semiconductors and other components into one package?

T7B05

27. What is a logical first step when attempting to cure a radio frequency interference problem in a nearby telephone?

Figure

T6C02

28. What is component 1 in figure T1?

T4A02

29. What could be used in place of a regular speaker to help you copy signals in a noisy area?

T1D03

30. When is the transmission of codes or ciphers allowed to hide the meaning of a message transmitted by an amateur station?

T1A08

31. Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

T5B02

32. What is another way to specify a radio signal frequency of 1,500,000 hertz?

T1E10

33. What type of control is used when the control operator is not at the station location but can indirectly manipulate the operating adjustments of a station?

T7C05

34. What is the approximate SWR value above which the protection circuits in most solid-state transmitters begin to reduce transmitter power?

T8C01

35. Which of the following methods is used to locate sources of noise interference or jamming?