Practice Exam

G8C13

1. What is indicated on a waterfall display by one or more vertical lines on either side of a data mode or RTTY signal?

• A. Insufficient modulation
• B. Long path propagation
• C. Overmodulation
• D. Backscatter propagation

G4D05

2. How does a signal that reads 20 dB over S9 compare to one that reads S9 on a receiver, assuming a properly calibrated S meter?

• A. It is 20 times more powerful
• B. It is 10 times less powerful
• C. It is 100 times more powerful
• D. It is 20 times less powerful

G9C03

3. How do the lengths of a three-element Yagi reflector and director compare to that of the driven element?

• A. The reflector is shorter, and the director is longer
• B. The reflector is longer, and the director is shorter
• C. Relative length depends on the frequency of operation
• D. They are all the same length

G7C01

4. What circuit is used to select one of the sidebands from a balanced modulator?

• A. Carrier oscillator
• B. RF amplifier
• C. IF amplifier
• D. Filter

G4A10

5. What is the function of an electronic keyer?

• A. To allow time for switching the antenna from the receiver to the transmitter
• B. Automatic generation of dots and dashes for CW operation
• C. Automatic transmit/receive switching
• D. Computer interface for PSK and RTTY operation

G2B07

6. Which of the following complies with commonly accepted amateur practice when choosing a frequency on which to initiate a call?

• A. Identify your station by transmitting your call sign at least 3 times
• B. Follow the voluntary band plan
• C. All these choices are correct
• D. Listen on the frequency for at least two minutes to be sure it is clear

G5C07

7. What transformer turns ratio matches an antenna's 600-ohm feed point impedance to a 50-ohm coaxial cable?

• A. 3.5 to 1
• B. 24 to 1
• C. 12 to 1
• D. 144 to 1

G9B11

8. What is the approximate length for a 1/2 wave dipole antenna cut for 3.550 MHz?

• A. 42 feet
• B. 263 feet
• C. 132 feet
• D. 84 feet

G5B10

9. What percentage of power loss is equivalent to a loss of 1 dB?

• A. 12.2 percent
• B. 10.9 percent
• C. 25.9 percent
• D. 20.6 percent

G9D09

10. What is the primary use of a Beverage antenna?

• A. Directional receiving for MF and low HF bands
• B. Portable direction finding at lower HF frequencies
• C. Directional transmitting for low HF bands
• D. Portable direction finding at higher HF frequencies

G7A02

11. Which of the following components are used in a power supply filter network?

• A. Diodes
• B. All these choices are correct
• C. Transformers and transducers
• D. Capacitors and inductors

G1A01

12. On which HF and/or MF amateur bands are there portions where General class licensees cannot transmit?

• A. 80 meters, 20 meters, 15 meters, and 10 meters
• B. 160 meters, 60 meters, 15 meters, and 12 meters
• C. 80 meters, 40 meters, 20 meters, and 15 meters
• D. 60 meters, 30 meters, 17 meters, and 12 meters

G8B12

13. What process combines two signals in a non-linear circuit to produce unwanted spurious outputs?

• A. Rolloff
• B. Intermodulation
• C. Heterodyning
• D. Detection

G2D02

14. Which of the following are objectives of the Volunteer Monitor Program?

• A. To encourage amateur radio operators to self-regulate and comply with the rules
• B. To provide emergency and public safety communications
• C. To conduct efficient and orderly amateur licensing examinations
• D. To coordinate repeaters for efficient and orderly spectrum usage

G4B12

15. What effect can strong signals from nearby transmitters have on an antenna analyzer?

• A. Desensitization which can cause intermodulation products which interfere with impedance readings
• B. All these choices are correct
• C. Generation of harmonics which interfere with frequency readings
• D. Received power that interferes with SWR readings

G4C08

16. Which of the following would reduce RF interference caused by common-mode current on an audio cable?

• A. Add an additional insulating jacket to the cable
• B. Ground the center conductor of the audio cable causing the interference
• C. Connect the center conductor to the shield of all cables to short circuit the RFI signal
• D. Place a ferrite choke on the cable

G1C11

17. What measurement is specified by FCC rules that regulate maximum power?

• A. RMS output from the transmitter
• B. PEP output from the transmitter
• C. RMS input to the antenna
• D. PEP input to the antenna

G2E06

18. What is the most common frequency shift for RTTY emissions in the amateur HF bands?

• A. 170 Hz
• B. 425 Hz
• C. 85 Hz
• D. 850 Hz

G8A05

19. What type of modulation varies the instantaneous power level of the RF signal?

• A. Power modulation
• B. Amplitude modulation
• C. Frequency modulation
• D. Phase modulation

G5A03

20. Which of the following is opposition to the flow of alternating current in an inductor?

• A. Admittance
• B. Reactance
• C. Conductance
• D. Reluctance

G1D04

21. Who must observe the administration of a Technician class license examination?

• A. At least three Volunteer Examiners of General class or higher
• B. At least two Volunteer Examiners of Technician class or higher
• C. At least two Volunteer Examiners of General class or higher
• D. At least three Volunteer Examiners of Technician class

G6B03

22. Which of the following is an advantage of CMOS integrated circuits compared to TTL integrated circuits?

• A. Better suited for RF amplification
• B. Low power consumption
• C. High power handling capability
• D. Better suited for power supply regulation

G9A09

23. What standing wave ratio results from connecting a 50-ohm feed line to a 200-ohm resistive load?

• A. 1:4
• B. 1:2
• C. 2:1
• D. 4:1

G1B01

24. What is the maximum height above ground for an antenna structure not near a public use airport without requiring notification to the FAA and registration with the FCC?

• A. 250 feet
• B. 100 feet
• C. 50 feet
• D. 200 feet

G4E07

25. Which of the following may cause receive interference to an HF transceiver installed in a vehicle?

• A. All these choices are correct
• B. The fuel delivery system
• C. The battery charging system
• D. The control computers

G0B07

26. Which of these choices should be observed when climbing a tower using a safety harness?

• A. Confirm that the harness is rated for the weight of the climber and that it is within its allowable service life
• B. All these choices are correct
• C. Always hold on to the tower with one hand
• D. Ensure that all heavy tools are securely fastened to the harness

G1E10

27. Why should an amateur operator normally avoid transmitting on 14.100, 18.110, 21.150, 24.930 and 28.200 MHz?

• A. These frequencies are set aside for emergency operations
• B. A system of automatic digital stations operates on those frequencies
• C. A system of propagation beacon stations operates on those frequencies
• D. These frequencies are set aside for bulletins from the FCC

G3B10

28. What is the approximate maximum distance along the Earth's surface normally covered in one hop using the E region?

• A. 2,500 miles
• B. 180 miles
• C. 1,200 miles
• D. 12,000 miles

G2C07

29. When sending CW, what does a "C" mean when added to the RST report?

• A. Chirpy or unstable signal
• B. 100 percent copy
• C. Key clicks
• D. Report was read from an S meter rather than estimated

G3A04

30. Which of the following are the least reliable bands for long-distance communications during periods of low solar activity?

• A. 80 meters and 160 meters
• B. 30 meters and 20 meters
• C. 15 meters, 12 meters, and 10 meters
• D. 60 meters and 40 meters

G7B06

31. What is a shift register?

• A. An analog mixer
• B. An array of operational amplifiers used for tri-state arithmetic operations
• C. A digital mixer
• D. A clocked array of circuits that passes data in steps along the array

G2A04

32. Which mode is most commonly used for voice communications on the 17- and 12-meter bands?

• A. Suppressed sideband
• B. Double sideband
• C. Lower sideband
• D. Upper sideband

G0A06

33. What must you do if your station fails to meet the FCC RF exposure exemption criteria?

• A. Contact the FCC for permission to transmit
• B. Perform an RF Exposure Evaluation in accordance with FCC OET Bulletin 65
• C. Use an FCC-approved band-pass filter
• D. Perform an RF exposure evaluation in accordance with World Meteorological Organization guidelines

G6A04

34. Which of the following is characteristic of an electrolytic capacitor?

• A. High capacitance for a given volume
• B. Inexpensive RF capacitor
• C. Much less leakage than any other type
• D. Tight tolerance

G3C11

35. Which ionospheric region is the most absorbent of signals below 10 MHz during daylight hours?

• A. The D region
• B. The F2 region
• C. The E region
• D. The F1 region