Practice Exam

T8C07

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

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

T9A12

2. What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

• A. It radiates at a very high angle
• B. It eliminates distortion caused by reflected signals
• C. It has more gain than a 1/4-wavelength antenna
• D. It has 10 times the power gain of a 1/4 wavelength whip

T5A03

3. What is the name for the flow of electrons in an electric circuit?

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

T1C06

4. From which of the following locations may an FCC-licensed amateur station transmit?

• A. From within any country that is a member of the United Nations
• B. From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
• C. From any vessel or craft located in international waters and documented or registered in the United States
• D. From within any country that belongs to the International Telecommunication Union

T6C08

5. What is component 9 in figure T-2?

• A. Variable resistor
• B. Variable inductor
• C. Variable capacitor
• D. Variable transformer

T8A04

6. Which type of modulation is commonly used for VHF and UHF voice repeaters?

• A. PSK
• B. FM or PM
• C. SSB
• D. AM

T4A02

7. Which of the following should be considered when selecting an accessory SWR meter?

• A. The frequency and power level at which the measurements will be made
• B. All these choices are correct
• C. The distance that the meter will be located from the antenna
• D. The types of modulation being used at the station

T0C11

8. What is the definition of duty cycle during the averaging time for RF exposure?

• A. The difference between the PEP and average power output of a transmitter
• B. The difference between the lowest power output and the highest power output of a transmitter
• C. The percentage of time that a transmitter is not transmitting
• D. The percentage of time that a transmitter is transmitting

T6D05

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

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

T2A11

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

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

T3B04

11. What is the velocity of a radio wave traveling through free space?

• A. Speed of sound
• B. Speed of light
• C. Speed inversely proportional to its wavelength
• D. Speed that increases as the frequency increases

T5B01

12. How many milliamperes is 1.5 amperes?

• A. 15,000 milliamperes
• B. 1500 milliamperes
• C. 150 milliamperes
• D. 15 milliamperes

T3C05

13. Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

• A. Knife-edge diffraction
• B. Quantum tunneling
• C. Faraday rotation
• D. Doppler shift

T0B05

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

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

T9B07

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

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

T0A07

16. Where should a lightning arrester be installed in a coaxial feed line?

• A. On a grounded panel near where feed lines enter the building
• B. At the antenna feed point
• C. At the output connector of a transceiver
• D. At the ac power service panel

T7D11

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

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

T1D09

18. When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

• A. When broadcasting communications to or from the space shuttle
• B. Never
• C. When such communications are directly related to the immediate safety of human life or protection of property
• D. Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network

T5C06

19. What does the abbreviation "RF" mean?

• A. The real frequency transmitted as opposed to the apparent frequency
• B. The resonant frequency of a tuned circuit
• C. Radio frequency signals of all types
• D. Reflective force in antenna transmission lines

T7C08

20. Which instrument can be used to determine SWR?

• A. Iambic pentameter
• B. Ohmmeter
• C. Voltmeter
• D. Directional wattmeter

T6B03

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

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

T8B03

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

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

T4B11

23. Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

• A. Your call sign
• B. Your output power
• C. All these choices are correct
• D. The codec type being used

T7A08

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

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

T2B04

25. Which of the following could be the reason you are unable to access a repeater whose output you can hear?

• A. You are using the wrong CTCSS tone
• B. You are using the wrong DCS code
• C. Improper transceiver offset
• D. All these choices are correct

T2C01

26. When do FCC rules NOT apply to the operation of an amateur station?

• A. FCC rules always apply
• B. When operating a RACES station
• C. When operating under special FEMA rules
• D. When operating under special ARES rules

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

T1E11

28. Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

• A. The station custodian
• B. The third party participant
• C. The person operating the station equipment
• D. The station licensee

T1A07

29. What is the FCC Part 97 definition of a space station?

• A. A manned satellite orbiting Earth
• B. Any satellite orbiting Earth
• C. An amateur station using amateur radio satellites for relay of signals
• D. An amateur station located more than 50 km above Earth's surface

T5D09

30. What is the current through a 24-ohm resistor connected across 240 volts?

• A. 24,000 amperes
• B. 0.1 amperes
• C. 10 amperes
• D. 216 amperes

T6A02

31. What type of component is often used as an adjustable volume control?

• A. Transformer
• B. Potentiometer
• C. Power resistor
• D. Fixed resistor

T1B02

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

T3A09

33. Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

• A. Digital modes are unusable
• B. FM voice is unusable
• C. Both the transmitting and receiving antennas must be of the same polarization
• D. Either vertically or horizontally polarized antennas may be used for transmission or reception

T7B01

34. What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

• A. Let the transceiver cool off
• B. Change to a higher power level
• C. Talk farther away from the microphone
• D. Talk louder into the microphone

T8D06

35. What does the abbreviation "PSK" mean?

• A. Phased Slide Keying
• B. Packet Short Keying
• C. Phase Shift Keying
• D. Pulse Shift Keying