Practice Exam

G2D06

1. How is a directional antenna pointed when making a "long-path" contact with another station?

• A. Along the gray line
• B. 180 degrees from the station's short-path heading
• C. Toward the north
• D. Toward the rising sun

G1E01

2. Which of the following would disqualify a third party from participating in sending a message via an amateur station?

• A. All these choices are correct
• B. The third party is not a US citizen
• C. The third party's amateur license has been revoked and not reinstated
• D. The third party is speaking in a language other than English

G1C01

3. What is the maximum transmitter power an amateur station may use on 10.140 MHz?

• A. 2000 watts PEP output
• B. 1500 watts PEP output
• C. 200 watts PEP output
• D. 1000 watts PEP output

G6B01

4. What determines the performance of a ferrite core at different frequencies?

• A. The composition, or "mix," of materials used
• B. The ratio of outer diameter to inner diameter
• C. Its conductivity
• D. Its thickness

G7C07

5. What term specifies a filter's attenuation inside its passband?

• A. Insertion loss
• B. Q
• C. Return loss
• D. Ultimate rejection

G0B06

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

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

G3B12

7. Which of the following is typical of the lower HF frequencies during the summer?

• A. World-wide propagation during daylight hours
• B. Heavy distortion on signals due to photon absorption
• C. Poor propagation at any time of day
• D. High levels of atmospheric noise or static

G0A08

8. Which of the following steps must an amateur operator take to ensure compliance with RF safety regulations?

• A. Post a copy of FCC Part 97.13 in the station
• B. All these choices are correct
• C. Notify neighbors within a 100-foot radius of the antenna of the existence of the station and power levels
• D. Perform a routine RF exposure evaluation and prevent access to any identified high exposure areas

G1A01

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

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

G2B08

10. What is the voluntary band plan restriction for US stations transmitting within the 48 contiguous states in the 50.1 MHz to 50.125 MHz band segment?

• A. Only SSTV contacts
• B. Only contacts with stations not within the 48 contiguous states
• C. Only digital contacts
• D. Only contacts with other stations within the 48 contiguous states

G7A10

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

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

G4A09

12. What is the purpose of delaying RF output after activating a transmitter's keying line to an external amplifier?

• A. To prevent transient overmodulation
• B. To allow time for the amplifier power supply to reach operating level
• C. To allow time for the amplifier to switch the antenna between the transceiver and the amplifier output
• D. To prevent key clicks on CW

G6A08

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

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

G8C05

14. In an ARQ mode, what is meant by a NAK response to a transmitted packet?

• A. Request retransmission of the packet
• B. Packet was received without error
• C. Receiving station connected and ready for transmissions
• D. Entire file received correctly

G1B04

15. Which of the following transmissions is permitted for all amateur stations?

• A. Unidentified transmissions of less than 10 seconds duration for test purposes only
• B. Occasional retransmission of weather and propagation forecast information from US government stations
• C. Automatic retransmission of other amateur signals by any amateur station
• D. Encrypted messages, if not intended to facilitate a criminal act

G7B02

16. Which of these classes of amplifiers has the highest efficiency?

• A. Class A
• B. Class AB
• C. Class C
• D. Class B

G4B01

17. What item of test equipment contains horizontal and vertical channel amplifiers?

• A. A signal generator
• B. An ohmmeter
• C. An ammeter
• D. An oscilloscope

G3A09

18. How can high geomagnetic activity benefit radio communications?

• A. Increases signal strength for HF signals passing through the polar regions
• B. Improve HF long path propagation
• C. Reduce long delayed echoes
• D. Creates auroras that can reflect VHF signals

G3C03

19. Why is skip propagation via the F2 region longer than that via the other ionospheric regions?

• A. Because of temperature inversions
• B. Because it is the densest
• C. Because of the Doppler effect
• D. Because it is the highest

G2A05

20. Which mode of voice communication is most commonly used on the HF amateur bands?

• A. Single sideband
• B. Double sideband
• C. Frequency modulation
• D. Single phase modulation

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

G4C07

22. Why should soldered joints not be used in lightning protection ground connections?

• A. A soldered joint will likely be destroyed by the heat of a lightning strike
• B. All these choices are correct
• C. Solder has too high a dielectric constant to provide adequate lightning protection
• D. Solder flux will prevent a low conductivity connection

G8A01

23. How is direct binary FSK modulation generated?

• A. By changing an oscillator's frequency directly with a digital control signal
• B. By keying an FM transmitter with a sub-audible tone
• C. By reconfiguring the CW keying input to act as a tone generator
• D. By using a transceiver's computer data interface protocol to change frequencies

G9D08

24. How does a "screwdriver" mobile antenna adjust its feed point impedance?

• A. By varying its body capacitance
• B. By deploying a capacitance hat
• C. By varying the base loading inductance
• D. By extending and retracting the whip

G8B08

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

• A. To prevent overmodulation
• B. To allow time for the other station to break in during a transmission
• C. Some modes have high duty cycles that could exceed the transmitter's average power rating
• D. To aid in tuning your transmitter

G5C11

26. What is the inductance of a circuit with a 20-millihenry inductor connected in series with a 50-millihenry inductor?

• A. 1,000 millihenries
• B. 70 millihenries
• C. 7 millihenries
• D. 14.3 millihenries

G2C08

27. What prosign is sent to indicate the end of a formal message when using CW?

• A. AR
• B. KN
• C. SK
• D. BK

G5A04

28. Which of the following is opposition to the flow of alternating current in a capacitor?

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

G9A07

29. What must be done to prevent standing waves on a feed line connected to an antenna?

• A. The feed line must be an even number of physical half wavelengths long
• B. The antenna feed point must be at DC ground potential
• C. The feed line must be an odd number of electrical quarter wavelengths long
• D. The antenna feed point impedance must be matched to the characteristic impedance of the feed line

G9B06

30. Where should the radial wires of a ground-mounted vertical antenna system be placed?

• A. As high as possible above the ground
• B. On the surface or buried a few inches below the ground
• C. At the center of the antenna
• D. Parallel to the antenna element

G5B14

31. What is the output PEP of 500 volts peak-to-peak across a 50-ohm load?

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

G4D07

32. How much must the power output of a transmitter be raised to change the S meter reading on a distant receiver from S8 to S9?

• A. Approximately 4 times
• B. Approximately 2 times
• C. Approximately 8 times
• D. Approximately 1.5 times

G2E11

33. What is the primary purpose of an Amateur Radio Emergency Data Network (AREDN) mesh network?

• A. To provide real time propagation data by monitoring amateur radio transmissions worldwide
• B. To provide high-speed data services during an emergency or community event
• C. To provide FM repeater coverage in remote areas
• D. To provide DX spotting reports to aid contesters and DXers

G4E10

34. Why should a series diode be connected between a solar panel and a storage battery that is being charged by the panel?

• A. To prevent overload by regulating the charging voltage
• B. To prevent discharge of the battery through the panel during times of low or no illumination
• C. To prevent damage to the battery due to excessive voltage at high illumination levels
• D. To limit the current flowing from the panel to a safe value

G9C03

35. 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. They are all the same length
• C. The reflector is longer, and the director is shorter
• D. The reflector is shorter, and the director is longer