Practice Exam

T3A02

1. What is the effect of vegetation on UHF and microwave signals?

• A. Amplification
• B. Polarization rotation
• C. Absorption
• D. Knife-edge diffraction

T5C01

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

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

T7A07

3. 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. Provides a transmit tuning tone when grounded
• D. Switches transceiver from receive to transmit when grounded

T4B05

4. What does the scanning function of an FM transceiver do?

• A. Checks for messages left on a digital bulletin board
• B. Tunes through a range of frequencies to check for activity
• C. Prevents interference to nearby repeaters
• D. Checks incoming signal deviation

T2B02

5. What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

• A. Carrier squelch
• B. CTCSS
• C. Tone burst
• D. DTMF

T8A11

6. What is the approximate bandwidth required to transmit a CW signal?

• A. 150 Hz
• B. 2.4 kHz
• C. 15 kHz
• D. 1000 Hz

T0A08

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

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

T1B08

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

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

T9A05

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

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

T8B06

10. Which of the following are inputs to a satellite tracking program?

• A. All these choices are correct
• B. The last observed time of zero Doppler shift
• C. The satellite transmitted power
• D. The Keplerian elements

T5A10

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

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

T1D02

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

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

T7D01

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

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

T6A05

14. What type of electrical component consists of conductive surfaces separated by an insulator?

• A. Potentiometer
• B. Capacitor
• C. Oscillator
• D. Resistor

T9B01

15. What is a benefit of low SWR?

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

T4A01

16. 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

T0C12

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

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

T7C06

18. What does an SWR reading of 4:1 indicate?

• A. Good impedance match
• B. Impedance mismatch
• C. Gain of +4 dB
• D. Loss of -4 dB

T5D07

19. What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

• A. 200 amperes
• B. 9600 amperes
• C. 0.667 amperes
• D. 1.5 amperes

T6B03

20. Which of these components can be used as an electronic switch?

• A. Varistor
• B. Transistor
• C. Potentiometer
• D. Thermistor

T3C06

21. What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

• A. F2 region refraction
• B. Tropospheric ducting
• C. Faraday rotation
• D. D region refraction

T8D03

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

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

T2C04

23. What is RACES?

• A. An international radio experimentation society
• B. A radio contest held in a short period, sometimes called a "sprint"
• C. An FCC part 97 amateur radio service for civil defense communications during national emergencies
• D. An emergency organization combining amateur radio and citizens band operators and frequencies

T7B09

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

T0B06

25. What is the minimum safe distance from a power line to allow when installing an antenna?

• A. Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
• B. The height of the power line above ground
• C. Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
• D. 1/2 wavelength at the operating frequency

T3B09

26. What frequency range is referred to as UHF?

• A. 300 to 3000 kHz
• B. 30 to 300 kHz
• C. 30 to 300 MHz
• D. 300 to 3000 MHz

T1F07

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

T2A10

28. What is a band plan, beyond the privileges established by the FCC?

• A. A plan devised by a club to indicate frequency band usage
• B. A voluntary guideline for using different modes or activities within an amateur band
• C. A list of available net frequencies
• D. A list of operating schedules

T1C07

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

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

T6C05

30. What is component 4 in figure T-1?

• A. Resistor
• B. Ground symbol
• C. Transistor
• D. Battery

T1E03

31. Who must designate the station control operator?

• A. The FCC
• B. The frequency coordinator
• C. Any licensed operator
• D. The station licensee

T5B08

32. Which is equal to 1,000,000 picofarads?

• A. 0.001 microfarads
• B. 1,000,000,000 microfarads
• C. 1 microfarad
• D. 1000 microfarads

T8C05

33. What is a grid locator?

• A. An instrument for neutralizing a final amplifier
• B. A letter-number designator assigned to an azimuth and elevation
• C. An instrument for radio direction finding
• D. A letter-number designator assigned to a geographic location

T1A02

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

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

T6D01

35. Which of the following devices or circuits changes an alternating current into a varying direct current signal?

• A. Amplifier
• B. Reflector
• C. Rectifier
• D. Transformer