Practice Exam

G9C03

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

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

G1B03

2. Which of the following is a purpose of a beacon station as identified in the FCC rules?

• A. Observation of propagation and reception
• B. Automatic identification of repeaters
• C. All these choices are correct
• D. Transmission of bulletins of general interest to amateur radio licensees

G1C09

3. What is the maximum power limit on the 60-meter band?

• A. ERP of 100 watts PEP with respect to an isotropic antenna
• B. 1500 watts PEP
• C. 10 watts RMS
• D. ERP of 100 watts PEP with respect to a dipole

G4D04

4. What does an S meter measure?

• A. Transmitter power output
• B. Carrier suppression
• C. Received signal strength
• D. Impedance

G4C05

5. What is a possible cause of high voltages that produce RF burns?

• A. Flat braid rather than round wire has been used for the ground wire
• B. The ground wire has high impedance on that frequency
• C. Insulated wire has been used for the ground wire
• D. The ground rod is resonant

G1E07

6. In what part of the 2.4 GHz band may an amateur station communicate with non-licensed Wi-Fi stations?

• A. No part
• B. Channels 42 through 45
• C. Channels 1 through 4
• D. Anywhere in the band

G9A11

7. What is the effect of transmission line loss on SWR measured at the input to the line?

• A. Higher loss reduces SWR measured at the input to the line
• B. Higher loss increases the accuracy of SWR measured at the input to the line
• C. Transmission line loss does not affect the SWR measurement
• D. Higher loss increases SWR measured at the input to the line

G2E07

8. Which of the following is required when using FT8?

• A. Receiver attenuator set to -12 dB
• B. A special hardware modem
• C. A vertically polarized antenna
• D. Computer time accurate to within approximately 1 second

G3B10

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

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

G5C12

10. What is the capacitance of a 20-microfarad capacitor connected in series with a 50-microfarad capacitor?

• A. 14.3 microfarads
• B. 0.07 microfarads
• C. 70 microfarads
• D. 1,000 microfarads

G5B05

11. How many watts are consumed when a current of 7.0 milliamperes flows through a 1,250-ohm resistance?

• A. Approximately 11 milliwatts
• B. Approximately 11 watts
• C. Approximately 61 milliwatts
• D. Approximately 61 watts

G1D08

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

• A. None of these choices is correct; a non-US citizen cannot be a Volunteer Examiner
• B. The person must hold an FCC granted amateur radio license of General class or above
• C. The person must be a resident of the US for a minimum of 5 years
• D. The person's home citizenship must be in ITU region 2

G8C04

13. Which of the following describes Baudot code?

• A. A code using error detection and correction
• B. A code using SELCAL and LISTEN
• C. A 5-bit code with additional start and stop bits
• D. A 7-bit code with start, stop, and parity bits

G8B10

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

• A. Higher symbol rates require wider bandwidth
• B. Symbol rate and bandwidth are not related
• C. Lower symbol rates require wider bandwidth
• D. Bandwidth is half the symbol rate

G4B12

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

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

G2A09

16. Why do most amateur stations use lower sideband on the 160-, 75-, and 40-meter bands?

• A. It is commonly accepted amateur practice
• B. Lower sideband is the only sideband legal on these frequency bands
• C. Lower sideband is more efficient than upper sideband at these frequencies
• D. Because it is fully compatible with an AM detector

G7C14

17. The bandwidth of a band-pass filter is measured between what two frequencies?

• A. Pole and zero
• B. Cutoff and rolloff
• C. Upper and lower half-power
• D. Image and harmonic

G9D05

18. What is an advantage of vertically stacking horizontally polarized Yagi antennas?

• A. It narrows the main lobe in elevation
• B. It allows quick selection of vertical or horizontal polarization
• C. It allows simultaneous vertical and horizontal polarization
• D. It narrows the main lobe in azimuth

G3A01

19. How does a higher sunspot number affect HF propagation?

• A. Higher sunspot numbers generally indicate a greater probability of good propagation at higher frequencies
• B. A zero sunspot number indicates that radio propagation is not possible on any band
• C. Lower sunspot numbers generally indicate greater probability of sporadic E propagation
• D. A zero sunspot number indicates undisturbed conditions

G8A11

20. What is the modulation envelope of an AM signal?

• A. The bandwidth of the modulated signal
• B. The carrier frequency that contains the signal
• C. The waveform created by connecting the peak values of the modulated signal
• D. Spurious signals that envelop nearby frequencies

G6A08

21. Which of the following is characteristic of low voltage ceramic capacitors?

• A. Tight tolerance
• B. High capacitance for given volume
• C. High stability
• D. Comparatively low cost

G6B11

22. What is an SMA connector?

• A. A small threaded connector suitable for signals up to several GHz
• B. A type-S to type-M adaptor
• C. A type of push-on connector intended for high-voltage applications
• D. A connector designed for serial multiple access signals

G3C09

23. What type of propagation allows signals to be heard in the transmitting station's skip zone?

• A. Chordal hop
• B. Faraday rotation
• C. Short-path
• D. Scatter

G4A13

24. What is the purpose of using a receive attenuator?

• A. To reduce excessive audio level on strong signals
• B. To reduce the transmitter power when driving a linear amplifier
• C. To prevent receiver overload from strong incoming signals
• D. To reduce power consumption when operating from batteries

G7A01

25. What is the function of a power supply bleeder resistor?

• A. It removes shock hazards from the induction coils
• B. It eliminates ground loop current
• C. It discharges the filter capacitors when power is removed
• D. It acts as a fuse for excess voltage

G7B06

26. What is a shift register?

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

G0A03

27. How can you determine that your station complies with FCC RF exposure regulations?

• A. By calculation based on computer modeling
• B. By measurement of field strength using calibrated equipment
• C. All these choices are correct
• D. By calculation based on FCC OET Bulletin 65

G1A01

28. 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. 80 meters, 40 meters, 20 meters, and 15 meters
• C. 60 meters, 30 meters, 17 meters, and 12 meters
• D. 160 meters, 60 meters, 15 meters, and 12 meters

G5A08

29. What is impedance?

• A. The product of current and voltage
• B. The ratio of current to voltage
• C. The product of current and reactance
• D. The ratio of voltage to current

G2D05

30. Which of the following indicates that you are looking for an HF contact with any station?

• A. Sign your call sign once, followed by the words "listening for a call" -- if no answer, change frequency and repeat
• B. Transmit an unmodulated carried for approximately 10 seconds, followed by "this is" and your call sign, and pause to listen -- repeat as necessary
• C. Say "QTC" followed by "this is" and your call sign -- if no answer, change frequency and repeat
• D. Repeat "CQ" a few times, followed by "this is," then your call sign a few times, then pause to listen, repeat as necessary

G2B05

31. When selecting an SSB transmitting frequency, what minimum separation should be used to minimize interference to stations on adjacent frequencies?

• A. 150 Hz to 500 Hz
• B. 2 kHz to 3 kHz
• C. 5 Hz to 50 Hz
• D. Approximately 6 kHz

G9B04

32. What is the radiation pattern of a dipole antenna in free space in a plane containing the conductor?

• A. It is a figure-eight at right angles to the antenna
• B. It is a figure-eight off both ends of the antenna
• C. It is a circle (equal radiation in all directions)
• D. It has a pair of lobes on one side of the antenna and a single lobe on the other side

G2C10

33. What does the Q signal "QRN" mean?

• A. Stop sending
• B. I am troubled by static
• C. Send more slowly
• D. Zero beat my signal

G0B07

34. 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. Ensure that all heavy tools are securely fastened to the harness
• D. Always hold on to the tower with one hand

G4E09

35. What is the approximate open-circuit voltage from a fully illuminated silicon photovoltaic cell?

• A. 0.5 VDC
• B. 0.02 VDC
• C. 1.38 VDC
• D. 0.2 VDC