Practice Exam

T2B03

1. Which of the following describes a linked repeater network?

• A. A system of repeaters linked by APRS
• B. Multiple repeaters with the same control operator
• C. A single repeater with more than one receiver
• D. A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network

T0C01

2. What type of radiation are radio signals?

• A. Non-ionizing radiation
• B. Ionizing radiation
• C. Gamma radiation
• D. Alpha radiation

T1F07

3. Which of the following restrictions apply when a non-licensed person speaks to a foreign amateur radio station via a station under the control of an FCC-licensed amateur radio operator?

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

T6D02

4. What is a relay?

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

T7D10

5. What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

• A. Increasing resistance with time
• B. Steady full-scale reading
• C. Alternating between open and short circuit
• D. Decreasing resistance with time

T8C01

6. Which of the following methods is used to locate sources of noise interference or jamming?

• A. Radio direction finding
• B. Doppler radar
• C. Phase locking
• D. Echolocation

T2C05

7. What does the term "traffic" refer to in net operation?

• A. Operation by mobile or portable stations
• B. A count of the number of activations of the net each month
• C. The number of stations checking in and out of a net
• D. Formal messages exchanged by net stations

T6A03

8. What electrical parameter is controlled by a potentiometer?

• A. Capacitance
• B. Field strength
• C. Resistance
• D. Inductance

T2A03

9. What is a common repeater frequency offset in the 70-centimeter band?

• A. Plus or minus 1 MHz
• B. Plus or minus 500 kHz
• C. Plus or minus 600 kHz
• D. Plus or minus 5 MHz

T1A03

10. What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

• A. It is encouraged when using phone emissions
• B. All these choices are correct
• C. It is required when in contact with foreign stations
• D. It is required when transmitting emergency messages

T0B01

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

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

T1B08

12. How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

• A. Digital transmissions are not permitted in those segments
• B. U.S. amateurs must give foreign amateur stations priority in those segments
• C. U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
• D. International communications are not permitted in those segments

T3C03

13. What is one characteristic of VHF signals received via auroral backscatter?

• A. They are often received from 10,000 miles or more
• B. They are distorted, with a characteristic raspy sound
• C. They are generally strongest when your antenna is aimed west
• D. They occur only during winter nighttime hours

T7A02

14. What is a transceiver?

• A. A device for matching feed line impedance to 50 ohms
• B. A device for automatically sending and decoding Morse code
• C. A device for converting receiver and transmitter frequencies to another band
• D. A device that combines a receiver and transmitter

T5B05

15. Which is equal to 500 milliwatts?

• A. 500,000,000 watts
• B. 0.5 watts
• C. 5 watts
• D. 500,000 watts

T9A01

16. What is a beam antenna?

• A. An omnidirectional antenna invented by Clarence Beam
• B. An antenna that focuses the signal into two intense rays
• C. An antenna built from square aluminum beams
• D. An antenna that concentrates signals in one direction

T1C02

17. Who may select a desired call sign under the vanity call sign rules?

• A. Only a licensed amateur with a General or Amateur Extra Class license
• B. Any licensed amateur
• C. Only a licensed amateur with an Amateur Extra Class license
• D. Only a licensed amateur who has been licensed continuously for more than 10 years

T4A01

18. Which of the following is an appropriate power supply rating for a typical 50-watt output mobile FM transceiver?

• A. 13.8 volts at 4 amperes
• B. 13.8 volts at 12 amperes
• C. 24.0 volts at 4 amperes
• D. 24.0 volts at 12 amperes

T6C08

19. What is component 9 in figure T-2?

• A. Variable resistor
• B. Variable inductor
• C. Variable transformer
• D. Variable capacitor

T3A07

20. What weather condition might decrease range at microwave frequencies?

• A. Low barometric pressure
• B. Colder temperatures
• C. Precipitation
• D. High winds

T5A05

21. A difference in which of the following causes electron flow?

• A. Ampere-hours
• B. Voltage
• C. Capacitance
• D. Inductance

T8A07

22. What is one characteristic of single sideband (SSB) compared to FM?

• A. SSB signals are easier to tune in correctly
• B. SSB signals are less susceptible to interference
• C. SSB signals are less susceptible to high SWR
• D. SSB signals have narrower bandwidth

T3B05

23. What is the relationship between wavelength and frequency?

• A. Wavelength gets shorter as frequency increases
• B. Wavelength and frequency increase as path length increases
• C. Wavelength is constant at all frequencies
• D. Wavelength gets longer as frequency increases

T6B12

24. What are the names of the electrodes of a bipolar junction transistor?

• A. Input, output, supply
• B. Signal, bias, power
• C. Emitter, base, collector
• D. Pole one, pole two, output

T1D10

25. How does the FCC define broadcasting for the Amateur Radio Service?

• A. Transmission of messages directed only to amateur operators
• B. Two-way transmissions by amateur stations
• C. Transmissions intended for reception by the general public
• D. Any transmission made by the licensed station

T8B11

26. Who is permitted to receive telemetry from an amateur radio satellite?

• A. Only a licensed radio amateur who has received the encryption key from AMSAT
• B. Only the control operator or a licensed radio amateur who has received the encryption key from the control operator
• C. Only the satellite control operator
• D. Anyone

T9B06

27. Which of the following connector types is most suitable as an RF connector for frequencies above 400 MHz?

• A. Type N
• B. PL-259
• C. RS-213
• D. DB-25

T0A08

28. Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

• A. In series with the hot and neutral conductors
• B. In series with the hot conductor only
• C. In parallel with the hot and neutral conductors
• D. In parallel with the hot conductor only

T5D14

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

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

T7B01

30. What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

• A. Talk louder into the microphone
• B. Change to a higher power level
• C. Talk farther away from the microphone
• D. Let the transceiver cool off

T5C05

31. What is the unit of impedance?

• A. Coulomb
• B. Ampere
• C. Ohm
• D. Volt

T4B02

32. Which of the following can be used to enter a transceiver's operating frequency?

• A. The keypad or VFO knob
• B. The Automatic Frequency Control
• C. All these choices are correct
• D. The CTCSS or DTMF encoder

T1E04

33. What determines the transmitting frequency privileges of an amateur station?

• A. The frequencies printed on the license grant
• B. The highest class of operator license held by anyone on the premises
• C. The frequency authorized by the frequency coordinator
• D. The class of operator license held by the control operator

T8D03

34. What kind of data can be transmitted by APRS?

• A. All these choices are correct
• B. GPS position data
• C. Weather data
• D. Text messages

T7C03

35. What does a typical RF dummy load consist of?

• A. A low-voltage power supply and a DC relay
• B. A 50-ohm non-inductive resistor mounted on a heat sink
• C. A low-voltage power supply and an AC relay
• D. A 50-ohm inductive reactance mounted in a shielded enclosure