Practice Exam

G7C05

1. Which of the following is an advantage of a transceiver controlled by a direct digital synthesizer (DDS)?

• A. Relatively high power output
• B. Relatively low power consumption
• C. Variable frequency with the stability of a crystal oscillator
• D. Wide tuning range and no need for band switching

G7A10

2. Which symbol in figure G7-1 represents a Zener diode?

• A. Symbol 5
• B. Symbol 4
• C. Symbol 11
• D. Symbol 1

G8A09

3. What control is typically adjusted for proper ALC setting on an amateur single sideband transceiver?

• A. Transmit audio or microphone gain
• B. Antenna inductance or capacitance
• C. The RF clipping level
• D. Attenuator level

G6B12

4. What is the primary purpose of a screen grid in a vacuum tube?

• A. To increase efficiency
• B. To reduce grid-to-plate capacitance
• C. To increase the control grid resistance
• D. To decrease plate resistance

G5B14

5. 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?

• A. 5000 watts
• B. 2500 watts
• C. 8.75 watts
• D. 625 watts

G5C14

6. Which of the following components should be added to an inductor to increase the inductance?

• A. A resistor in parallel
• B. An inductor in series
• C. An inductor in parallel
• D. A capacitor in series

G2A03

7. Which of the following is most commonly used for SSB voice communications in the VHF and UHF bands?

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

G1C02

8. What is the maximum transmitting power an amateur station may use on the 12 meter band?

• A. 1500 PEP output, except for 200 watts PEP output in the Novice portion
• B. 1500 watts PEP output
• C. 200 watts PEP output
• D. An effective radiated power equivalent to 50 watts from a half-wave dipole

G6A01

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

• A. Low equivalent series resistance
• B. High equivalent series resistance
• C. High Temperature coefficient
• D. Low Temperature coefficient

G2B06

10. What is a practical way to avoid harmful interference when selecting a frequency to call CQ on CW or phone?

• A. Listen for 2 minutes before calling CQ
• B. Send "QRL?" on CW, followed by your call sign; or, if using phone, ask if the frequency is in use, followed by your call sign
• C. Send "QSY" on CW or if using phone, announce "the frequency is in use", then send your call and listen for a response
• D. Send the letter "V" in Morse code several times and listen for a response

G2C07

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

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

G7B07

12. What are the basic components of virtually all sine wave oscillators?

• A. An amplifier and a divider
• B. A frequency multiplier and a mixer
• C. A circulator and a filter operating in a feed-forward loop
• D. A filter and an amplifier operating in a feedback loop

G5A04

13. Which of the following causes opposition to the flow of alternating current in a capacitor?

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

G0A08

14. Which of the following steps must an amateur operator take to ensure compliance with RF safety regulations when transmitter power exceeds levels specified in part 97.13?

• A. Post a copy of FCC Part 97 in the station
• B. Post a copy of OET Bulletin 65 in the station
• C. All of these choices are correct
• D. Perform a routine RF exposure evaluation

G4D08

15. What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz?

• A. 7.178 to 7.181 MHz
• B. 7.175 to 7.178 MHz
• C. 7.178 to 7.184 MHz
• D. 7.1765 to 7.1795 MHz

G0B14

16. Which of the following is covered by the National Electrical Code?

• A. Acceptable modulation limits
• B. Acceptable bandwidth limits
• C. Electrical safety inside the ham shack
• D. RF exposure limits of the human body

G1B11

17. How does the FCC require an amateur station to be operated in all respects not specifically covered by the Part 97 rules?

• A. All of these choices are correct
• B. In conformance with Amateur Radio custom
• C. In conformance with good engineering and good amateur practice
• D. In conformance with the rules of the IARU

G8B11

18. How does forward error correction allow the receiver to correct errors in received data packets?

• A. By using the varicode character set
• B. By transmitting redundant information with the data
• C. By using a parity bit with each character
• D. By controlling transmitter output power for optimum signal strength

G1E10

19. What portion of the 10 meter band is available for repeater use?

• A. The portion above 29.5 MHz
• B. The portion between 28.1 MHz and 28.2 MHz
• C. The entire band
• D. The portion between 28.3 MHz and 28.5 MHz

G9C09

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

• A. 5.4 times the gain of a dipole
• B. All of these choices are correct
• C. 9.7 dBi
• D. 9.7 dBd

G4A07

21. What condition can lead to permanent damage when using a solid-state RF power amplifier?

• A. Exceeding the Maximum Usable Frequency
• B. Shorting the input signal to ground
• C. Low input SWR
• D. Excessive drive power

G3B11

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

• A. No HF radio frequency will support ordinary skywave communications over the path
• B. Propagation over the path on all HF frequencies is enhanced
• C. Double hop propagation along the path is more common
• D. HF communications over the path are enhanced

G9A13

23. What would be the SWR if you feed an antenna that has a 300-ohm feed-point impedance with 50-ohm coaxial cable?

• A. 6:1
• B. You cannot determine SWR from impedance values
• C. 1.5:1
• D. 3:1

G4E08

24. What is the name of the process by which sunlight is changed directly into electricity?

• A. Photon decomposition
• B. Photon emission
• C. Photosynthesis
• D. Photovoltaic conversion

G1D10

25. What is the minimum age that one must be to qualify as an accredited Volunteer Examiner?

• A. There is no age limit
• B. 18 years
• C. 12 years
• D. 21 years

G3C10

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

• A. The signal is heard on a frequency below the Maximum Usable Frequency
• B. The communication is during a sunspot maximum
• C. The signal is heard on a frequency above the Maximum Usable Frequency
• D. The communication is during a sudden ionospheric disturbance

G2E08

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

• A. 3775 - 3825 kHz
• B. 3570 - 3600 kHz
• C. 3700 - 3750 kHz
• D. 3500 - 3525 kHz

G3A11

28. Approximately how long is the typical sunspot cycle?

• A. 40 hours
• B. 8 minutes
• C. 11 years
• D. 28 days

G9B04

29. What is the low angle azimuthal radiation pattern of an ideal half-wavelength dipole antenna installed 1/2 wavelength high and parallel to the Earth?

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

G4B16

30. What signals are used to conduct a two-tone test?

• A. Two swept frequency tones
• B. Two non-harmonically related audio signals
• C. Two audio signals of the same frequency shifted 90-degrees
• D. Two audio frequency range square wave signals of equal amplitude

G9D09

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

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

G1A11

32. Which of the following frequencies is available to a control operator holding a General Class license?

• A. All of these choices are correct
• B. 28.350 MHz
• C. 28.020 MHz
• D. 28.550 MHz

G6C06

33. Which of the following describes an integrated circuit operational amplifier?

• A. Programmable Logic
• B. Digital
• C. MMIC
• D. Analog

G2D08

34. Why do many amateurs keep a log even though the FCC doesn't require it?

• A. To help with a reply if the FCC requests information
• B. The log provides evidence of operation needed to renew a license without retest
• C. The ITU requires a log of all international third party traffic
• D. The ITU requires a log of all international contacts

G4C11

35. Which of the following is one use for a Digital Signal Processor in an amateur station?

• A. To provide adequate grounding
• B. To increase antenna gain
• C. To remove noise from received signals
• D. To increase antenna bandwidth