Practice Exam

T5B09

1. Which decibel value most closely represents a power increase from 5 watts to 10 watts?

• A. 3 dB
• B. 10 dB
• C. 5 dB
• D. 2 dB

T1A09

2. Who selects a Frequency Coordinator?

• A. The local chapter of the Office of National Council of Independent Frequency Coordinators
• B. The FCC Office of Spectrum Management and Coordination Policy
• C. Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
• D. FCC Regional Field Office

T0B08

3. Which is a proper grounding method for a tower?

• A. A single four-foot ground rod, driven into the ground no more than 12 inches from the base
• B. A ferrite-core RF choke connected between the tower and ground
• C. Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
• D. A connection between the tower base and a cold water pipe

T5C01

4. What describes the ability to store energy in an electric field?

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

T3C04

5. 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. Backscatter
• D. Sporadic E

T8A04

6. Which type of modulation is commonly used for VHF and UHF voice repeaters?

• A. PSK
• B. SSB
• C. FM or PM
• D. AM

T8B02

7. What is the impact of using excessive effective radiated power on a satellite uplink?

• A. Possibility of commanding the satellite to an improper mode
• B. Overloading the satellite batteries
• C. Blocking access by other users
• D. Possibility of rebooting the satellite control computer

T6B05

8. What type of transistor has a gate, drain, and source?

• A. Bipolar junction
• B. Field-effect
• C. Varistor
• D. Tesla-effect

T2C03

9. What technique is used to ensure that voice messages containing unusual words are received correctly?

• A. Speak very loudly into the microphone
• B. Send the words by voice and Morse code
• C. All these choices are correct
• D. Spell the words using a standard phonetic alphabet

T1D09

10. When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

• A. When broadcasting communications to or from the space shuttle
• B. When such communications are directly related to the immediate safety of human life or protection of property
• C. Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
• D. Never

T1C09

11. What is the grace period for renewal if an amateur license expires?

• A. Five years
• B. Three years
• C. Ten years
• D. Two years

T6D02

12. What is a relay?

• A. An inverting amplifier
• B. An electrically-controlled switch
• C. A current controlled amplifier
• D. A pass transistor

T9B10

13. What is the electrical difference between RG-58 and RG-213 coaxial cable?

• A. There is no significant difference between the two types
• B. RG-58 cable can handle higher power levels
• C. RG-213 cable has less loss at a given frequency
• D. RG-58 cable has two shields

T1E02

14. Who may be the control operator of a station communicating through an amateur satellite or space station?

• A. A General class or higher licensee with a satellite operator certification
• B. Only an Amateur Extra Class operator who is also an AMSAT member
• C. Any amateur allowed to transmit on the satellite uplink frequency
• D. Only an Amateur Extra Class operator

T5A10

15. Which term describes the rate at which electrical energy is used?

• A. Current
• B. Voltage
• C. Resistance
• D. Power

T6C01

16. What is the name of an electrical wiring diagram that uses standard component symbols?

• A. Bill of materials
• B. Schematic
• C. Flow chart
• D. Connector pinout

T0C04

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

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

T1F07

18. Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

• A. All these choices are correct
• B. The licensed control operator must do the station identification
• C. The foreign station must be in a country with which the U.S. has a third party agreement
• D. The person must be a U.S. citizen

T4B08

19. What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

• A. Increases the amount of offset between receive and transmit frequencies
• B. Permits noise or interference reduction by selecting a bandwidth matching the mode
• C. Increases the number of frequencies that can be stored in memory
• D. Permits monitoring several modes at once by selecting a separate filter for each mode

T7C08

20. Which instrument can be used to determine SWR?

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

T2A06

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

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

T1B03

22. Which frequency is in the 6 meter amateur band?

• A. 222.15 MHz
• B. 28.50 MHz
• C. 52.525 MHz
• D. 49.00 MHz

T7A07

23. What is the function of a transceiver's PTT input?

• A. Input for a key used to send CW
• B. Input for a preamplifier tuning tone
• C. Switches transceiver from receive to transmit when grounded
• D. Provides a transmit tuning tone when grounded

T8D10

24. Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

• A. Weak signal propagation beacons
• B. Meteor scatter
• C. All these choices are correct
• D. Earth-Moon-Earth

T7D02

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

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

T8C10

26. What is required before using the EchoLink system?

• A. Complete the required EchoLink training
• B. Register your call sign and provide proof of license
• C. All these choices are correct
• D. Purchase a license to use the EchoLink software

T5D05

27. What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

• A. 8 ohms
• B. 18 ohms
• C. 13.5 ohms
• D. 0.125 ohms

T9A05

28. Which of the following increases the resonant frequency of a dipole antenna?

• A. Lengthening it
• B. Adding capacitive loading to the ends of the radiating wires
• C. Shortening it
• D. Inserting coils in series with radiating wires

T3B02

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

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

T2B10

30. Which Q signal indicates that you are receiving interference from other stations?

• A. QSB
• B. QRN
• C. QTH
• D. QRM

T4A05

31. Where should an RF power meter be installed?

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

T7B08

32. What should you do if something in a neighbor's home is causing harmful interference to your amateur station?

• A. All these choices are correct
• B. Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
• C. Work with your neighbor to identify the offending device
• D. Make sure your station meets the standards of good amateur practice

T0A03

33. In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

• A. Neutral
• B. Hot
• C. Black insulation is never used
• D. Equipment ground

T6A06

34. What type of electrical component stores energy in a magnetic field?

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

T3A05

35. When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

• A. Try the long path
• B. Increase the antenna SWR
• C. Change from vertical to horizontal polarization
• D. Try to find a path that reflects signals to the repeater