Practice Exam

T2C04

1. What is RACES?

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

T6A01

2. What electrical component opposes the flow of current in a DC circuit?

• A. Transformer
• B. Inductor
• C. Resistor
• D. Inverter

T7C09

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

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

T7B07

4. Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

• A. Installing an RF preamplifier
• B. Installing a band-reject filter
• C. Installing bypass capacitors on the microphone cable
• D. Using double-shielded coaxial cable

T5C03

5. What describes the ability to store energy in a magnetic field?

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

T6D04

6. Which of the following displays an electrical quantity as a numeric value?

• A. Relay
• B. Potentiometer
• C. Transistor
• D. Meter

T6C10

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

• A. Variable capacitor
• B. Connector
• C. Meter
• D. Variable inductor

T5D07

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

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

T3B06

9. What is the formula for converting frequency to approximate wavelength in meters?

• A. Wavelength in meters equals frequency in megahertz divided by 300
• B. Wavelength in meters equals 300 divided by frequency in megahertz
• C. Wavelength in meters equals frequency in hertz multiplied by 300
• D. Wavelength in meters equals frequency in hertz divided by 300

T8B10

10. What is a LEO satellite?

• A. A satellite in low energy operation mode
• B. A highly elliptical orbit satellite
• C. A sun synchronous satellite
• D. A satellite in low earth orbit

T5A09

11. Which of the following describes alternating current?

• A. Current that alternates between positive and negative directions
• B. Current that alternates between a positive direction and zero
• C. All these answers are correct
• D. Current that alternates between a negative direction and zero

T1B08

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

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

T5B07

13. Which is equal to 3.525 MHz?

• A. 3525 kHz
• B. 35.25 kHz
• C. 0.003525 kHz
• D. 3,525,000 kHz

T2A10

14. 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

T3C07

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

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

T0B05

16. What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

• A. Provide a ground path for lightning strikes
• B. Provide an ability to measure for proper tensioning
• C. Prevent loosening of the turnbuckle from vibration
• D. Secure the guy line if the turnbuckle breaks

T8A09

17. What is the approximate bandwidth of a VHF repeater FM voice signal?

• A. Between 10 and 15 kHz
• B. About 150 kHz
• C. Between 50 and 125 kHz
• D. Less than 500 Hz

T3A11

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

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

T7A08

19. Which of the following describes combining speech with an RF carrier signal?

• A. Impedance matching
• B. Modulation
• C. Oscillation
• D. Low-pass filtering

T8D03

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

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

T9B08

21. Which of the following is a source of loss in coaxial feed line?

• A. Water intrusion into coaxial connectors
• B. High SWR
• C. Multiple connectors in the line
• D. All these choices are correct

T1E09

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

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

T1C07

23. 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

T7D02

24. How is a voltmeter connected to a component to measure applied voltage?

• A. In phase
• B. In parallel
• C. In quadrature
• D. In series

T4A10

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

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

T2B11

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

• A. QSY
• B. QRZ
• C. QRU
• D. QSL

T4B02

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

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

T1D06

28. What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

• A. The ITU maintains a list of words that are not permitted to be used on amateur frequencies
• B. The FCC maintains a list of words that are not permitted to be used on amateur frequencies
• C. There is no such prohibition
• D. Any such language is prohibited

T1A08

29. 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

T6B02

30. What electronic component allows current to flow in only one direction?

• A. Diode
• B. Driven element
• C. Fuse
• D. Resistor

T0A03

31. 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. Neutral
• D. Hot

T9A09

32. What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

• A. 112
• B. 236
• C. 6
• D. 50

T8C02

33. Which of these items would be useful for a hidden transmitter hunt?

• A. Calibrated SWR meter
• B. A calibrated noise bridge
• C. A directional antenna
• D. All these choices are correct

T1F03

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

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

T0C02

35. At which of the following frequencies does maximum permissible exposure have the lowest value?

• A. 1296 MHz
• B. 440 MHz
• C. 3.5 MHz
• D. 50 MHz