Practice Exam

Element 2: Technician (EXPIRED)

T3C11

1. Why do VHF and UHF radio signals usually travel somewhat farther than the visual line of sight distance between two stations?

T2B03

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

Figure

T6C06

3. What is component 6 in figure T2?

T2C06

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

T8D07

5. What is PSK31?

T3B01

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

T1E02

7. Who is eligible to be the control operator of an amateur station?

T2A02

8. What is the national calling frequency for FM simplex operations in the 70 cm band?

T8B03

9. Which of the following can be done using an amateur radio satellite?

T7D04

10. Which instrument is used to measure electric current?

T4B08

11. What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

T7A11

12. Which of the following circuits demodulates FM signals?

T5A08

13. Which of the following is a good electrical insulator?

T1B11

14. What emission modes are permitted in the mode-restricted sub-bands at 50.0 to 50.1 MHz and 144.0 to 144.1 MHz?

T0C10

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

T5B11

16. What is the approximate amount of change, measured in decibels (dB), of a power increase from 20 watts to 200 watts?

T5D10

17. What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

T0A03

18. What is connected to the green wire in a three-wire electrical AC plug?

T4A08

19. Which type of conductor is best to use for RF grounding?

T1A02

20. What agency regulates and enforces the rules for the Amateur Radio Service in the United States?

T9A10

21. In which direction is the radiation strongest from a half-wave dipole antenna in free space?

T6A05

22. What type of electrical component consists of two or more conductive surfaces separated by an insulator?

T5C06

23. What is the abbreviation that refers to radio frequency signals of all types?

T6B11

24. Which semiconductor component has a gate electrode?

T1C06

25. From which of the following may an FCC-licensed amateur station transmit, in addition to places where the FCC regulates communications?

T8C02

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

T7B01

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

T9B02

28. What is the impedance of the most commonly used coaxial cable in typical amateur radio installations?

T8A01

29. Which of the following is a form of amplitude modulation?

T1F07

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

T0B11

31. Which of the following establishes grounding requirements for an amateur radio tower or antenna?

T1D02

32. On which of the following occasions may an FCC-licensed amateur station exchange messages with a U.S. military station?

T6D05

33. What type of circuit controls the amount of voltage from a power supply?

T7C11

34. What is a disadvantage of "air core" coaxial cable when compared to foam or solid dielectric types?

T3A09

35. Which of the following is a common effect of "skip" reflections between the Earth and the ionosphere?