Practice Exam

T6B10

1. Which of the following can provide power gain?

• A. Transformer
• B. Reactor
• C. Transistor
• D. Resistor

T2A06

2. Which of the following is required when making on-the-air test transmissions?

• A. Notify the FCC of the transmissions
• B. All these choices are correct
• C. Conduct tests only between 10 p.m. and 6 a.m. local time
• D. Identify the transmitting station

T6A04

3. What electrical component stores energy in an electric field?

• A. Capacitor
• B. Varistor
• C. Diode
• D. Inductor

T1A11

4. When is willful interference to other amateur radio stations permitted?

• A. When making short test transmissions
• B. To stop another amateur station that is breaking the FCC rules
• C. At no time
• D. At any time, stations in the Amateur Radio Service are not protected from willful interference

T8D12

5. Which of the following best describes an amateur radio mesh network?

• A. An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
• B. An internet linking protocol used to network repeaters
• C. A wide-bandwidth digital voice mode employing DMR protocols
• D. A satellite communications network using modified commercial satellite TV hardware

T1E05

6. What is an amateur station's control point?

• A. The location of the station's transmitting apparatus
• B. The location of the station's transmitting antenna
• C. The location at which the control operator function is performed
• D. The mailing address of the station licensee

T2B12

7. What is the purpose of the color code used on DMR repeater systems?

• A. Must match the repeater color code for access
• B. Defines the minimum signal level required for access
• C. Defines the frequency pair to use
• D. Identifies the codec used

T0C04

8. What factors affect the RF exposure of people near an amateur station antenna?

• A. Radiation pattern of the antenna
• B. All these choices are correct
• C. Frequency and power level of the RF field
• D. Distance from the antenna to a person

T1B09

9. Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

• A. To allow for calibration error in the transmitter frequency display
• B. So that modulation sidebands do not extend beyond the band edge
• C. To allow for transmitter frequency drift
• D. All these choices are correct

T3A03

10. What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

• A. Right-hand circular
• B. Horizontal
• C. Left-hand circular
• D. Vertical

T8A07

11. What is a characteristic of single sideband (SSB) compared to FM?

• A. SSB signals have narrower bandwidth
• B. SSB signals are easier to tune in correctly
• C. All these choices are correct
• D. SSB signals are less susceptible to interference

T0A06

12. What is a good way to guard against electrical shock at your station?

• A. Connect all AC powered station equipment to a common safety ground
• B. All these choices are correct
• C. Install mechanical interlocks in high-voltage circuits
• D. Use three-wire cords and plugs for all AC powered equipment

T6C12

13. Which of the following is accurately represented in electrical schematics?

• A. Physical appearance of components
• B. Wire lengths
• C. Component connections
• D. All these choices are correct

T7B06

14. Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?

• A. All these choices are correct
• B. Immediately turn off your transmitter and contact the nearest FCC office for assistance
• C. Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
• D. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated

T4A05

15. Where should an RF power meter be installed?

• A. At the power supply output
• B. In the power supply cable, as close as possible to the radio
• C. In the feed line, between the transmitter and antenna
• D. In parallel with the push-to-talk line and the antenna

T9B03

16. Why is coaxial cable the most common feed line for amateur radio antenna systems?

• A. It can handle more power than any other type of feed line
• B. It is easy to use and requires few special installation considerations
• C. It has less loss than any other type of feed line
• D. It is less expensive than any other type of feed line

T7D02

17. How is a voltmeter connected to a component to measure applied voltage?

• A. In parallel
• B. In series
• C. In quadrature
• D. In phase

T1F04

18. What language may you use for identification when operating in a phone sub-band?

• A. English, French, or Spanish
• B. Any language recognized by the United Nations
• C. English
• D. Any language recognized by the ITU

T9A02

19. Which of the following describes a type of antenna loading?

• A. Electrically lengthening by inserting inductors in radiating elements
• B. Strengthening the radiating elements of a beam antenna to better resist wind damage
• C. Inserting a resistor in the radiating portion of the antenna to make it resonant
• D. Installing a spring in the base of a mobile vertical antenna to make it more flexible

T7C08

20. Which instrument can be used to determine SWR?

• A. Voltmeter
• B. Iambic pentameter
• C. Ohmmeter
• D. Directional wattmeter

T8C08

21. What is the Internet Radio Linking Project (IRLP)?

• A. A system for providing access to websites via amateur radio
• B. A technique for measuring signal strength of an amateur transmitter via the internet
• C. A system for informing amateurs in real time of the frequency of active DX stations
• D. A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)

T6D09

22. What is the name of a device that combines several semiconductors and other components into one package?

• A. Multi-pole relay
• B. Integrated circuit
• C. Transformer
• D. Transducer

T4B11

23. Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

• A. All these choices are correct
• B. Your call sign
• C. The codec type being used
• D. Your output power

T5D14

24. In which type of circuit is voltage the same across all components?

• A. Branch
• B. Parallel
• C. Resonant
• D. Series

T2C04

25. What is RACES?

• A. An emergency organization combining amateur radio and citizens band operators and frequencies
• B. An international radio experimentation society
• C. An FCC part 97 amateur radio service for civil defense communications during national emergencies
• D. A radio contest held in a short period, sometimes called a "sprint"

T5B13

26. Which is equal to 2425 MHz?

• A. 2.425 GHz
• B. 2425 GHz
• C. 0.002425 GHz
• D. 24.25 GHz

T5C03

27. What describes the ability to store energy in a magnetic field?

• A. Admittance
• B. Resistance
• C. Capacitance
• D. Inductance

T7A03

28. Which of the following is used to convert a signal from one frequency to another?

• A. Mixer
• B. Phase splitter
• C. Amplifier
• D. Inverter

T3B02

29. What property of a radio wave defines its polarization?

• A. The ratio of the velocity to the wavelength
• B. The ratio of the energy in the magnetic field to the energy in the electric field
• C. The orientation of the magnetic field
• D. The orientation of the electric field

T3C04

30. Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

• A. Gray-line propagation
• B. D region absorption
• C. Sporadic E
• D. Backscatter

T1D05

31. When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

• A. Never
• B. When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
• C. When selling amateur radio equipment and not on a regular basis
• D. When no profit is made on the sale

T0B01

32. Which of the following is good practice when installing ground wires on a tower for lightning protection?

• A. Make sure all ground wire bends are right angles
• B. Ensure that connections are short and direct
• C. Put a drip loop in the ground connection to prevent water damage to the ground system
• D. All these choices are correct

T5A02

33. Electrical power is measured in which of the following units?

• A. Watt-hours
• B. Volts
• C. Watts
• D. Amperes

T1C03

34. What types of international communications are an FCC-licensed amateur radio station permitted to make?

• A. Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
• B. Only communications incidental to contest exchanges; all other communications are prohibited
• C. Any communications that would be permitted by an international broadcast station
• D. Communications incidental to conducting business or remarks of a personal nature

T8B04

35. What mode of transmission is commonly used by amateur radio satellites?

• A. All these choices are correct
• B. CW/data
• C. SSB
• D. FM