Practice Exam

T5A08

1. Which of the following is a good electrical insulator?

• A. Aluminum
• B. Mercury
• C. Glass
• D. Copper

T1A02

2. Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

• A. All these choices are correct
• B. FEMA
• C. The FCC
• D. Homeland Security

T0C12

3. How does RF radiation differ from ionizing radiation (radioactivity)?

• A. RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
• B. RF radiation can only be detected with an RF dosimeter
• C. RF radiation is limited in range to a few feet
• D. RF radiation is perfectly safe

T8D07

4. Which of the following describes DMR?

• A. A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
• B. An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
• 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

T3C07

5. What band is best suited for communicating via meteor scatter?

• A. 70 centimeters
• B. 6 meters
• C. 2 meters
• D. 33 centimeters

T3B05

6. What is the relationship between wavelength and frequency?

• A. Wavelength and frequency are unrelated
• B. Wavelength gets shorter as frequency increases
• C. Wavelength and frequency increase as path length increases
• D. Wavelength gets longer as frequency increases

T6C12

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

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

T0B08

8. 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 ferrite-core RF choke connected between the tower and ground
• C. A single four-foot ground rod, driven into the ground no more than 12 inches from the base
• D. A connection between the tower base and a cold water pipe

T6B01

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

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

T4B12

10. 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. Distortion of the signal's audio
• D. Sideband inversion

T4A09

11. 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 watts per hour consumed by the equipment by the battery power rating
• D. Multiply the square of the current rating of the battery by the input resistance of the equipment

T2C08

12. Which of the following is a characteristic of good traffic handling?

• A. All these choices are correct
• B. Passing messages exactly as received
• C. Ensuring that any newsworthy messages are relayed to the news media
• D. Making decisions as to whether messages are worthy of relay or delivery

T7B10

13. What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

• A. All these choices are correct
• B. Your batteries are running low
• C. Your transmitter is slightly off frequency
• D. You are in a bad location

T2A11

14. What term describes an amateur station that is transmitting and receiving on the same frequency?

• A. Full duplex
• B. Diplex
• C. Multiplex
• D. Simplex

T1C04

15. What may happen if the FCC is unable to reach you by email?

• A. Revocation of access to the license record in the FCC system
• B. Revocation of the station license or suspension of the operator license
• C. Fine and suspension of operator license
• D. Nothing; there is no such requirement

T6D11

16. Which of the following is a resonant or tuned circuit?

• A. A resistor circuit used for reducing standing wave ratio
• B. A circuit designed to provide high-fidelity audio
• C. A linear voltage regulator
• D. An inductor and a capacitor in series or parallel

T7A03

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

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

T8B03

18. Which of the following are provided by satellite tracking programs?

• A. The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
• B. The apparent frequency of the satellite transmission, including effects of Doppler shift
• C. Maps showing the real-time position of the satellite track over Earth
• D. All these choices are correct

T9A08

19. What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

• A. 19
• B. 12
• C. 112
• D. 50

T5D08

20. What is the current through a 100-ohm resistor connected across 200 volts?

• A. 100 amperes
• B. 2 amperes
• C. 20,000 amperes
• D. 0.5 amperes

T6A11

21. Which of the following battery chemistries is not rechargeable?

• A. Lead-acid
• B. Carbon-zinc
• C. Lithium-ion
• D. Nickel-cadmium

T3A03

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

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

T8C06

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

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

T7C09

24. Which of the following causes failure of coaxial cables?

• A. Operation at 100% duty cycle for an extended period
• B. Moisture contamination
• C. Rapid fluctuation in transmitter output power
• D. Solder flux contamination

T9B07

25. Which of the following is true of PL-259 type coax connectors?

• A. They are watertight
• B. They are commonly used at HF and VHF frequencies
• C. They are a bayonet-type connector
• D. They are preferred for microwave operation

T0A09

26. What should be done to all external ground rods or earth connections?

• A. Bond them together with heavy wire or conductive strap
• B. Tune them for resonance on the lowest frequency of operation
• C. Keep them as far apart as possible
• D. Waterproof them with silicone caulk or electrical tape

T5B02

27. Which is equal to 1,500,000 hertz?

• A. 15 GHz
• B. 1500 MHz
• C. 1500 kHz
• D. 150 kHz

T8A06

28. Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

• A. Inverted sideband
• B. Lower sideband
• C. Suppressed sideband
• D. Upper sideband

T7D01

29. Which instrument would you use to measure electric potential?

• A. A voltmeter
• B. A wavemeter
• C. An ammeter
• D. An ohmmeter

T1F03

30. When are you required to transmit your assigned call sign?

• A. At least every 15 minutes during and at the end of a communication
• B. At the beginning of each contact, and every 10 minutes thereafter
• C. At least once during each transmission
• D. At least every 10 minutes during and at the end of a communication

T2B03

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

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

T1E04

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

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

T1D02

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

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

T1B02

34. Which amateurs may contact the International Space Station (ISS) on VHF bands?

• A. Any amateur holding a General class or higher license
• B. Any amateur holding a General class or higher license who has applied for and received approval from NASA
• C. Any amateur holding a Technician class or higher license who has applied for and received approval from NASA
• D. Any amateur holding a Technician class or higher license

T5C10

35. How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

• A. 0.208 watts
• B. 14.5 watts
• C. 4.8 watts
• D. 30 watts