Practice Exam

T1C03

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

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

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. FCC Regional Field Office
• D. Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations

T7D09

3. What is the characteristic appearance of a cold tin-lead solder joint?

• A. A rough or lumpy surface
• B. Excessive solder
• C. A bright or shiny surface
• D. Dark black spots

T3C02

4. What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

• A. Long-distance ionospheric propagation is far more common on HF
• B. HF antennas are generally smaller
• C. There is less atmospheric interference (static) on HF
• D. HF accommodates wider bandwidth signals

T0C11

5. What is the definition of duty cycle during the averaging time for RF exposure?

• A. The difference between the PEP and average power output of a transmitter
• B. The percentage of time that a transmitter is transmitting
• C. The percentage of time that a transmitter is not transmitting
• D. The difference between the lowest power output and the highest power output of a transmitter

T7B06

6. 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. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
• B. All these choices are correct
• 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. Immediately turn off your transmitter and contact the nearest FCC office for assistance

T8A08

7. What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

• A. 15 kHz
• B. 6 kHz
• C. 3 kHz
• D. 1 kHz

T5D10

8. What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

• A. 2.5 volts
• B. 1.5 volts
• C. 1 volt
• D. 0.25 volts

T1F01

9. When must the station and its records be available for FCC inspection?

• A. At any time upon request by an FCC representative
• B. At any time ten days after notification by the FCC of such an inspection
• C. At any time after written notification by the FCC of such inspection
• D. Only when presented with a valid warrant by an FCC official or government agent

T2C11

10. What is meant by "check" in a radiogram header?

• A. The call sign of the originating station
• B. A box on the message form that indicates that the message was received and/or relayed
• C. A list of stations that have relayed the message
• D. The number of words or word equivalents in the text portion of the message

T6C01

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

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

T5C09

12. How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

• A. 0.7 watts
• B. 138 watts
• C. 23.8 watts
• D. 3.8 watts

T5A06

13. What is the unit of frequency?

• A. Hertz
• B. Henry
• C. Tesla
• D. Farad

T7C03

14. What does a dummy load consist of?

• A. A 50-ohm reactance used to terminate a transmission line
• B. A low-voltage power supply and a DC relay
• C. A high-gain amplifier and a TR switch
• D. A non-inductive resistor mounted on a heat sink

T9B01

15. What is a benefit of low SWR?

• A. Reduced television interference
• B. All these choices are correct
• C. Reduced signal loss
• D. Less antenna wear

T6A07

16. What electrical component is typically constructed as a coil of wire?

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

T3A05

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

T8B11

18. Who may receive telemetry from a space station?

• A. A licensed radio amateur with a transmitter equipped for interrogating the satellite
• B. A licensed radio amateur who has been certified by the protocol developer
• C. Anyone
• D. A licensed radio amateur who has registered for an access code from AMSAT

T8C06

19. How is over the air access to IRLP nodes accomplished?

• A. By obtaining a password that is sent via voice to the node
• B. By entering the proper internet password
• C. By using DTMF signals
• D. By using CTCSS tone codes

T1B10

20. Where may SSB phone be used in amateur bands above 50 MHz?

• A. On any band if the power is limited to 25 watts
• B. Only in sub-bands allocated to General class or higher licensees
• C. Only on repeaters
• D. In at least some segment of all these bands

T2B11

21. Which Q signal indicates that you are changing frequency?

• A. QRU
• B. QSY
• C. QRZ
• D. QSL

T9A07

22. What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

• A. The SWR might decrease, decreasing the signal strength
• B. All these choices are correct
• C. Signal strength is reduced due to the shielding effect of the vehicle
• D. The bandwidth of the antenna will decrease, increasing SWR

T8D07

23. Which of the following describes DMR?

• A. An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
• B. A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
• C. A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
• D. An automatic position tracking mode for FM mobiles communicating through repeaters

T3B01

24. What is the relationship between the electric and magnetic fields of an electromagnetic wave?

• A. They travel at different speeds
• B. They are in parallel
• C. They revolve in opposite directions
• D. They are at right angles

T6B01

25. Which is true about forward voltage drop in a diode?

• A. It is lower in some diode types than in others
• B. It indicates that the diode is defective
• C. It has no impact on the voltage delivered to the load
• D. It is proportional to peak inverse voltage

T1D02

26. Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

• A. International Morse Code Practice
• B. In all circumstances
• C. Broadcasting
• D. Telecommand or transmissions of telemetry

T4B12

27. What is the result of tuning an FM receiver above or below a signal's frequency?

• A. Change in audio pitch
• B. Generation of a heterodyne tone
• C. Sideband inversion
• D. Distortion of the signal's audio

T7A05

28. What is the name of a circuit that generates a signal at a specific frequency?

• A. Oscillator
• B. Reactance modulator
• C. Low-pass filter
• D. Phase modulator

T2A12

29. What should you do before calling CQ?

• A. Listen first to be sure that no one else is using the frequency
• B. Make sure you are authorized to use that frequency
• C. All these choices are correct
• D. Ask if the frequency is in use

T1E02

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

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

T6D09

31. 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

T4A09

32. How can you determine the length of time that equipment can be powered from a battery?

• A. Divide the watt-hour rating of the battery by the peak power consumption of the equipment
• B. Divide the battery ampere-hour rating by the average current draw of the equipment
• C. Multiply the square of the current rating of the battery by the input resistance of the equipment
• D. Multiply the watts per hour consumed by the equipment by the battery power rating

T0A03

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

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

T5B05

34. Which is equal to 500 milliwatts?

• A. 0.02 watts
• B. 0.5 watts
• C. 5 watts
• D. 50 watts

T0B08

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

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