Practice Exam

Element 3: General (EXPIRED)

G2B11

1. What frequency should be used to send a distress call?

G2C10

2. What does the Q signal "QRQ" mean?

G9B07

3. How does the feed-point impedance of a 1/2 wave dipole antenna change as the antenna is lowered from 1/4 wave above ground?

G9A03

4. What is the characteristic impedance of flat ribbon TV type twinlead?

G3A12

5. What does the K-index indicate?

G5B14

6. What is the output PEP from a transmitter if an oscilloscope measures 500 volts peak-to-peak across a 50-ohm resistor connected to the transmitter output?

G1B08

7. When choosing a transmitting frequency, what should you do to comply with good amateur practice?

G4C04

8. What is the effect on an audio device or telephone system if there is interference from a nearby CW transmitter?

G2E08

9. What segment of the 80 meter band is most commonly used for data transmissions?

G7A05

10. What portion of the AC cycle is converted to DC by a half-wave rectifier?

G4E01

11. What is a "capacitance hat", when referring to a mobile antenna?

G7C04

12. What circuit is used to combine signals from the IF amplifier and BFO and send the result to the AF amplifier in a single-sideband receiver?

G0B09

13. Why should soldered joints not be used with the wires that connect the base of a tower to a system of ground rods?

G0A10

14. What is one thing that can be done if evaluation shows that a neighbor might receive more than the allowable limit of RF exposure from the main lobe of a directional antenna?

G1C03

15. What is the maximum bandwidth permitted by FCC rules for Amateur Radio stations when transmitting on USB frequencies in the 60 meter band?

G4A08

16. What is the correct adjustment for the load or coupling control of a vacuum tube RF power amplifier?

G1E03

17. In what ITU region is operation in the 7.175 to 7.300 MHz band permitted for a control operator holding an FCC-issued General Class license?

G8B12

18. What is the relationship between transmitted symbol rate and bandwidth?

G8A03

19. What is the name of the process which changes the frequency of an RF wave to convey information?

G6B09

20. Which of the following describes the construction of a MOSFET?

G4B02

21. Which of the following is an advantage of an oscilloscope versus a digital voltmeter?

G6C08

22. How is an LED biased when emitting light?

G4D11

23. How close to the upper edge of the 20 meter General Class band should your displayed carrier frequency be when using 3 kHz wide USB?

G7B10

24. Which of the following is a characteristic of a Class A amplifier?

G9D01

25. What does the term "NVIS" mean as related to antennas?

G2A08

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

G1A09

27. Which of the following frequencies is within the General Class portion of the 80 meter band?

G9C09

28. What is the approximate maximum theoretical forward gain of a three element, single-band Yagi antenna?

G2D02

29. Which of the following are objectives of the Amateur Auxiliary?

G3C10

30. Which of the following might be an indication that signals heard on the HF bands are being received via scatter propagation?

G3B11

31. What happens to HF propagation when the Lowest Usable Frequency (LUF) exceeds the Maximum Usable Frequency (MUF)?

G1D08

32. Which of the following criteria must be met for a non-U.S. citizen to be an accredited Volunteer Examiner?

G5C12

33. What is the capacitance of a 20 microfarad capacitor in series with a 50 microfarad capacitor?

G6A01

34. Which of the following is an important characteristic for capacitors used to filter the DC output of a switching power supply?

G5A13

35. Which of the following devices can be used for impedance matching at radio frequencies?