Practice Exam

T5D01

1. What formula is used to calculate current in a circuit?

• A. I = E * R
• B. I = E - R
• C. I = E + R
• D. I = E / R

T9B11

2. Which of the following types of feed line has the lowest loss at VHF and UHF?

• A. Air-insulated hardline
• B. 50-ohm flexible coax
• C. 75-ohm flexible coax
• D. Multi-conductor unbalanced cable

T6B10

3. Which of the following can provide power gain?

• A. Transistor
• B. Reactor
• C. Resistor
• D. Transformer

T3B05

4. What is the relationship between wavelength and frequency?

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

T0A03

5. 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

T8C07

6. What is Voice Over Internet Protocol (VoIP)?

• A. A technique employed to "spot" DX stations via the internet
• B. A method of delivering voice communications over the internet using digital techniques
• C. A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
• D. A set of rules specifying how to identify your station when linked over the internet to another station

T2C05

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

• A. Messages exchanged by net stations
• B. Requests to activate the net by a served agency
• C. The number of stations checking in and out of a net
• D. Operation by mobile or portable stations

T5B13

8. Which is equal to 2425 MHz?

• A. 2.425 GHz
• B. 0.002425 GHz
• C. 24.25 GHz
• D. 2425 GHz

T1D11

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

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

T6A04

10. What electrical component stores energy in an electric field?

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

T1B03

11. Which frequency is in the 6 meter amateur band?

• A. 52.525 MHz
• B. 222.15 MHz
• C. 49.00 MHz
• D. 28.50 MHz

T4A03

12. Why are short, heavy-gauge wires used for a transceiver's DC power connection?

• A. To avoid RF interference
• B. All these choices are correct
• C. To provide a good counterpoise for the antenna
• D. To minimize voltage drop when transmitting

T7B05

13. How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

• A. Block the interfering signal with a filter on the amateur transmitter
• B. Switch the transmitter to a narrow-band mode
• C. Switch the transmitter from FM to SSB
• D. Block the amateur signal with a filter at the antenna input of the affected receiver

T5C13

14. What is the abbreviation for kilohertz?

• A. KHZ
• B. kHz
• C. khz
• D. khZ

T8D07

15. Which of the following describes DMR?

• A. An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
• B. A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
• C. An automatic position tracking mode for FM mobiles communicating through repeaters
• D. A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction

T4B02

16. 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

T7D11

17. Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

• A. Ensure that the circuit is grounded
• B. Ensure that the circuit is operating at the correct frequency
• C. Ensure that the circuit is not powered
• D. Ensure that the applied voltages are correct

T9A07

18. What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

• A. All these choices are correct
• B. Signal strength is reduced due to the shielding effect of the vehicle
• C. The SWR might decrease, decreasing the signal strength
• D. The bandwidth of the antenna will decrease, increasing SWR

T0B03

19. Under what circumstances is it safe to climb a tower without a helper or observer?

• A. When the work being done is not more than 20 feet above the ground
• B. When no mechanical work is being performed
• C. Never
• D. When no electrical work is being performed

T2A06

20. Which of the following is required when making on-the-air test transmissions?

• A. All these choices are correct
• B. Conduct tests only between 10 p.m. and 6 a.m. local time
• C. Identify the transmitting station
• D. Notify the FCC of the transmissions

T1F01

21. When must the station and its records be available for FCC inspection?

• A. At any time after written notification by the FCC of such inspection
• B. Only when presented with a valid warrant by an FCC official or government agent
• C. At any time ten days after notification by the FCC of such an inspection
• D. At any time upon request by an FCC representative

T3C06

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

T3A11

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

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

T2B12

24. What is the purpose of the color code used on DMR repeater systems?

• A. Defines the frequency pair to use
• B. Identifies the codec used
• C. Defines the minimum signal level required for access
• D. Must match the repeater color code for access

T1C08

25. What is the normal term for an FCC-issued amateur radio license?

• A. Life
• B. Ten years
• C. Five years
• D. Eight years

T5A02

26. Electrical power is measured in which of the following units?

• A. Amperes
• B. Volts
• C. Watt-hours
• D. Watts

T6C12

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

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

T8B01

28. 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

T0C02

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

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

T1A05

30. What proves that the FCC has issued an operator/primary license grant?

• A. An email notification from the NCVEC granting the license
• B. All these choices are correct
• C. A printed copy of the certificate of successful completion of examination
• D. The license appears in the FCC ULS database

T6D01

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

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

T8A07

32. What is a characteristic of single sideband (SSB) compared to FM?

• A. SSB signals have narrower bandwidth
• B. SSB signals are easier to tune in correctly
• C. SSB signals are less susceptible to interference
• D. All these choices are correct

T1E02

33. Who may be the control operator of a station communicating through an amateur satellite or space station?

• A. Only an Amateur Extra Class operator
• B. A General class or higher licensee with a satellite operator certification
• C. Only an Amateur Extra Class operator who is also an AMSAT member
• D. Any amateur allowed to transmit on the satellite uplink frequency

T7A02

34. What is a transceiver?

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

T7C02

35. Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

• A. An antenna analyzer
• B. A Q meter
• C. A VTVM
• D. A frequency counter