Practice Exam

T6A07

1. What electrical component is typically constructed as a coil of wire?

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

T8D05

2. Which of the following is an application of APRS?

• A. Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
• B. Providing voice over internet connection between repeaters
• C. Providing information on the number of stations signed into a repeater
• D. Automatically showing the number of packets transmitted via PACTOR during a specific time interval

T2C10

3. What information is contained in the preamble of a formal traffic message?

• A. The email address of the originating station
• B. The address of the intended recipient
• C. Information needed to track the message
• D. The telephone number of the addressee

T0A07

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

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

T6B10

5. Which of the following can provide power gain?

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

T1A08

6. Who recommends transmit/receive channels for repeater and auxiliary stations?

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

T4B08

7. What is the advantage of having a choice of receiver filter bandwidths in a multimode transceiver?

• A. Increases the number of frequencies that can be stored in memory
• B. Permits noise or interference reduction by selecting a bandwidth matching the mode
• C. Permits monitoring several modes simultaneously by selecting a separate filter for each mode
• D. Increases the amount of offset between receive and transmit frequencies

T8B06

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

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

T9A10

9. In which direction does a half-wave dipole antenna radiate the strongest signal?

• A. Off the ends of the antenna
• B. Equally in all directions
• C. In the direction of the feed line
• D. Broadside to the antenna

T5D06

10. What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

• A. 3 ohms
• B. 16 ohms
• C. 48 ohms
• D. 8 ohms

T7B10

11. What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

• A. You are speaking too loudly or too close to the microphone
• B. Your transmitter is slightly off frequency
• C. All these choices are correct
• D. You are in a bad location

T3A05

12. When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

• A. Increase the antenna SWR
• B. Try to find a path that reflects signals to the repeater
• C. Try the long path
• D. Change from vertical to horizontal polarization

T2B02

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

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

T1D09

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

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

T3B05

15. What is the relationship between wavelength and frequency?

• A. Wavelength gets shorter as frequency increases
• B. Wavelength is constant at all frequencies
• C. Wavelength gets longer as frequency increases
• D. Wavelength and frequency increase as path length increases

T8A05

16. Which of the following signal types has the narrowest bandwidth?

• A. SSB voice
• B. CW
• C. Slow-scan TV
• D. FM voice

T4A02

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

• A. The maximum SWR anticipated on the transmission line
• B. The distance that the meter will be located from the antenna
• C. The ability of the meter to compensate for a poor transmission line match to the antenna
• D. The frequency and power level at which the measurements will be made

T7D08

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

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

T3C08

19. What causes tropospheric ducting?

• A. Discharges of lightning during electrical storms
• B. Sunspots and solar flares
• C. Temperature inversions in the atmosphere
• D. Updrafts from hurricanes and tornadoes

T5A10

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

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

T1E01

21. When may an amateur station transmit without a control operator?

• A. When the station licensee is away and another licensed amateur is using the station
• B. When the transmitting station is an auxiliary station
• C. When using automatic control, such as in the case of a repeater
• D. Never

T9B08

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

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

T6C03

23. What is component 2 in figure T-1?

• A. Connector
• B. Resistor
• C. Transistor
• D. Indicator lamp

T8C11

24. What is an amateur radio station that connects other amateur stations to the internet?

• A. A gateway
• B. A digipeater
• C. A beacon
• D. A repeater

T1C05

25. Which of the following is a valid Group D call sign format for Technician class?

• A. W1XX
• B. KF1XXX
• C. All these choices are correct
• D. KA1X

T1B01

26. Which of the following frequency ranges are available for phone operation by Technician licensees?

• A. 28.050 MHz to 28.150 MHz
• B. 28.300 MHz to 28.500 MHz
• C. 28.500 MHz to 28.600 MHz
• D. 28.100 MHz to 28.300 MHz

T0B07

27. Which of the following is an important safety rule to remember when using a crank-up tower?

• A. All these choices are correct
• B. This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
• C. This type of tower must never be grounded
• D. This type of tower must never be painted

T5B11

28. Which decibel value represents a power increase from 20 watts to 200 watts?

• A. 12 dB
• B. 10 dB
• C. 28 dB
• D. 18 dB

T7C04

29. What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

• A. Zero
• B. Full Scale
• C. 50:50
• D. 1:1

T2A11

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

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

T6D03

31. Which of the following is a reason to use shielded wire?

• A. To reduce receiver overload
• B. To increase the current carrying capability of the wire
• C. To prevent coupling of unwanted signals to or from the wire
• D. To decrease the resistance of DC power connections

T5C11

32. How much current is required to deliver 120 watts at a voltage of 12 volts DC?

• A. 0.1 amperes
• B. 10 amperes
• C. 12 amperes
• D. 132 amperes

T0C11

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

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

T1F08

34. What is the definition of third-party communications?

• A. Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
• B. A message from a control operator to another amateur station control operator on behalf of another person
• C. Operation when the transmitting equipment is licensed to a person other than the control operator
• D. Amateur radio communications where three stations are in communications with one another

T7A11

35. What is the function of the Variable Frequency Oscillator (VFO) circuit in a transceiver?

• A. Inject a variable frequency to allow CW reception
• B. Generate and demodulate single sideband signals
• C. Set the receive and transmit frequency
• D. Provide automatic frequency control