Practice Exam

T5C04

1. What is the unit of inductance?

• A. The farad
• B. The ohm
• C. The henry
• D. The coulomb

T7B09

2. What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

• A. Add a high-pass filter to the TV antenna input
• B. Be sure all TV feed line coaxial connectors are installed properly
• C. Add a preamplifier to the TV antenna input
• D. Add a low-pass filter to the TV antenna input

T6C02

3. What is component 1 in figure T-1?

• A. Connector
• B. Transistor
• C. Resistor
• D. Battery

T5B02

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

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

T1D11

5. When may an amateur station transmit without identifying on the air?

• A. When transmitting signals to control model craft
• B. When the transmissions are unmodulated
• C. When the transmissions are of a brief nature to make station adjustments
• D. When the transmitted power level is below 1 watt

T0B10

6. Which of the following is true when installing grounding conductors used for lightning protection?

• A. Sharp bends must be avoided
• B. Use only non-insulated wire
• C. Common grounds must be avoided
• D. Wires must be carefully routed with precise right-angle bends

T1A08

7. Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

• A. Volunteer Frequency Coordinator recognized by local amateurs
• B. FCC Regional Field Office
• C. International Telecommunication Union
• D. Frequency Spectrum Manager appointed by the FCC

T1E09

8. Which of the following are required for remote control operation?

• A. The control operator must be at the control point
• B. All these choices are correct
• C. The control operator must indirectly manipulate the controls
• D. A control operator is required at all times

T2B09

9. Why are simplex channels designated in the VHF/UHF band plans?

• A. So stations with simple transmitters can access the repeater without automated offset
• B. For contest operation
• C. So stations within range of each other can communicate without tying up a repeater
• D. For working DX only

T5A11

10. What type of current flow is opposed by resistance?

• A. Alternating current
• B. RF current
• C. All these choices are correct
• D. Direct current

T1C07

11. Which of the following can result in revocation of the station license or suspension of the operator license?

• A. Failure to obtain FCC type acceptance prior to using a home-built transmitter
• B. Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
• C. Failure to have a copy of your license available at your station
• D. Failure to provide and maintain a correct email address with the FCC

T6A06

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

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

T1F11

13. Which of the following is a requirement for the issuance of a club station license grant?

• A. The club must have at least four members
• B. The trustee must have an Amateur Extra Class operator license grant
• C. The club must be registered with the American Radio Relay League
• D. All these choices are correct

T0C09

14. How can you make sure your station stays in compliance with RF safety regulations?

• A. All these choices are correct
• B. By informing the FCC of any changes made in your station
• C. By making sure your antennas have low SWR
• D. By re-evaluating the station whenever an item in the transmitter or antenna system is changed

T6B05

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

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

T7C09

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

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

T8C09

17. Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

• A. EchoLink
• B. IRLP
• C. DMR
• D. D-STAR

T5D13

18. In which type of circuit is DC current the same through all components?

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

T7D08

19. Which of the following types of solder should not be used for radio and electronic applications?

• A. Rosin-core solder
• B. Lead-tin solder
• C. Tin-copper solder
• D. Acid-core solder

T4B09

20. How is a specific group of stations selected on a digital voice transceiver?

• A. By retrieving the frequencies from transceiver memory
• B. By activating automatic identification
• C. By entering the group's identification code
• D. By enabling the group's CTCSS tone

T8B01

21. What telemetry information is typically transmitted by satellite beacons?

• A. All these choices are correct
• B. Health and status of the satellite
• C. The signal strength of received signals
• D. Time of day accurate to plus or minus 1/10 second

T9A03

22. Which of the following describes a simple dipole oriented parallel to Earth's surface?

• A. A vertically polarized antenna
• B. A ground-wave antenna
• C. A travelling-wave antenna
• D. A horizontally polarized antenna

T9B03

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

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

T4A10

24. What function is performed with a transceiver and a digital mode hot spot?

• A. FT8 digital communications via AFSK
• B. High-speed digital communications for meteor scatter
• C. Communication using digital voice or data systems via the internet
• D. RTTY encoding and decoding without a computer

T1B04

25. Which amateur band includes 146.52 MHz?

• A. 20 meters
• B. 70 centimeters
• C. 2 meters
• D. 6 meters

T3C11

26. Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

• A. Radio waves are blocked by dust particles
• B. Radio signals move somewhat faster than the speed of light
• C. Radio waves are not blocked by dust particles
• D. The atmosphere refracts radio waves slightly

T7A04

27. Which term describes the ability of a receiver to discriminate between multiple signals?

• A. Harmonic distortion
• B. Selectivity
• C. Sensitivity
• D. Discrimination ratio

T2C06

28. What is the Amateur Radio Emergency Service (ARES)?

• A. A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
• B. A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
• C. A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
• D. A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies

T8D04

29. What type of transmission is indicated by the term "NTSC?"

• A. An analog fast-scan color TV signal
• B. A frame compression scheme for TV signals
• C. A Normal Transmission mode in Static Circuit
• D. A special mode for satellite uplink

T8A08

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

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

T3B01

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

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

T3A11

32. Which region of the atmosphere can refract or bend HF and VHF radio waves?

• A. The ionosphere
• B. The stratosphere
• C. The troposphere
• D. The mesosphere

T6D05

33. What type of circuit controls the amount of voltage from a power supply?

• A. Regulator
• B. Oscillator
• C. Phase inverter
• D. Filter

T0A03

34. 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

T2A09

35. Which of the following indicates that a station is listening on a repeater and looking for a contact?

• A. The repeater call sign followed by the station's call sign
• B. "CQ CQ" followed by the repeater's call sign
• C. The station's call sign followed by the word "monitoring"
• D. "QSY" followed by your call sign