Practice Exam

Element 3: General

G9A06

1. In what values are RF feed line losses usually expressed?

G1E07

2. With which foreign countries is third party traffic prohibited, except for messages directly involving emergencies or disaster relief communications?

G8A08

3. Which of the following is an effect of over-modulation?

G2D03

4. What skills learned during "hidden transmitter hunts" are of help to the Amateur Auxiliary?

G5C06

5. What is the RMS voltage across a 500-turn secondary winding in a transformer if the 2250-turn primary is connected to 120 VAC?

G4E04

6. Why is it best NOT to draw the DC power for a 100-watt HF transceiver from an automobile's auxiliary power socket?

G3C03

7. Why is the F2 region mainly responsible for the longest distance radio wave propagation?

G3A04

8. Which of the following amateur radio HF frequencies are least reliable for long distance communications during periods of low solar activity?

G1D06

9. When must you add the special identifier "AG" after your call sign if you are a Technician Class licensee and have a CSCE for General Class operator privileges, but the FCC has not yet posted your upgrade on its Web site?

G5B14

10. 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?

G1B09

11. When may an amateur station transmit communications in which the licensee or control operator has a pecuniary (monetary) interest?

G7C01

12. Which of the following is used to process signals from the balanced modulator and send them to the mixer in a single-sideband phone transmitter?

G4D09

13. What frequency range is occupied by a 3 kHz USB signal with the displayed carrier frequency set to 14.347 MHz?

Figure

G7A12

14. Which symbol in Figure G7-1 represents a multiple-winding transformer?

G5A13

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

G9D09

16. Which of the following is an application for a Beverage antenna?

G7B04

17. Which of the following describes the function of a two input NOR gate?

G6C07

18. What is one disadvantage of an incandescent indicator compared to an LED?

G4A13

19. What is one reason to use the attenuator function that is present on many HF transceivers?

G3B01

20. How might a sky-wave signal sound if it arrives at your receiver by both short path and long path propagation?

G1C11

21. What is the maximum symbol rate permitted for RTTY or data emission transmissions on the 2 meter band?

G4B05

22. Why is high input impedance desirable for a voltmeter?

G6A10

23. How should the winding axes of solenoid inductors be placed to minimize their mutual inductance?

G9C18

24. What happens when the feed point of a quad antenna is changed from the center of either horizontal wire to the center of either vertical wire?

G2B05

25. What is the customary minimum frequency separation between SSB signals under normal conditions?

G8B08

26. Why is it important to know the duty cycle of the data mode you are using when transmitting?

G9B07

27. 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?

G6B08

28. Why must the cases of some large power transistors be insulated from ground?

G2A08

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

G4C04

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

G0A13

31. What precaution should be taken when installing a ground-mounted antenna?

G2C06

32. What does the term "zero beat" mean in CW operation?

G1A03

33. On which of the following bands is image transmission prohibited?

G2E04

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

G0B06

35. Why must the metal enclosure of every item of station equipment be grounded?