Practice Exam

T3A08

1. What is a likely cause of irregular fading of signals propagated by the ionosphere?

• A. Random combining of signals arriving via different paths
• B. Interference from thunderstorms
• C. Intermodulation distortion
• D. Frequency shift due to Faraday rotation

T6D06

2. What component changes 120 V AC power to a lower AC voltage for other uses?

• A. Variable capacitor
• B. Diode
• C. Transistor
• D. Transformer

T2A04

3. What is an appropriate way to call another station on a repeater if you know the other station's call sign?

• A. Say "break, break," then say the station's call sign
• B. Say the station's call sign, then identify with your call sign
• C. Say "CQ" three times, then the other station's call sign
• D. Wait for the station to call CQ, then answer

T1E06

4. When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

• A. When using a club station whose trustee holds an Amateur Extra Class license
• B. As part of a multi-operator contest team
• C. When designated as the control operator by an Amateur Extra Class licensee
• D. At no time

T8C06

5. How is over the air access to IRLP nodes accomplished?

• A. By using CTCSS tone codes
• B. By entering the proper internet password
• C. By obtaining a password that is sent via voice to the node
• D. By using DTMF signals

T0A02

6. What health hazard is presented by electrical current flowing through the body?

• A. It may disrupt the electrical functions of cells
• B. All these choices are correct
• C. It may cause injury by heating tissue
• D. It may cause involuntary muscle contractions

T9B11

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

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

T6B10

8. Which of the following can provide power gain?

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

T5A02

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

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

T1F01

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

T0C02

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

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

T8B08

12. What is meant by the statement that a satellite is operating in U/V mode?

• A. The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
• B. The satellite frequencies are usually variable
• C. The satellite operates using ultraviolet frequencies
• D. The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band

T5C10

13. How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

• A. 0.208 watts
• B. 14.5 watts
• C. 4.8 watts
• D. 30 watts

T8D07

14. Which of the following describes DMR?

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

T6A07

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

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

T4B09

16. How is a specific group of stations selected on a digital voice transceiver?

• A. By entering the group's identification code
• B. By enabling the group's CTCSS tone
• C. By activating automatic identification
• D. By retrieving the frequencies from transceiver memory

T5D14

17. In which type of circuit is voltage the same across all components?

• A. Series
• B. Branch
• C. Resonant
• D. Parallel

T5B11

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

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

T7B09

19. What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

• A. Add a low-pass filter to the TV antenna input
• B. Add a high-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

T7C04

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

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

T2B13

21. What is the purpose of a squelch function?

• A. Reduce interference from impulse noise
• B. Reduce a CW transmitter's key clicks
• C. Eliminate parasitic oscillations in an RF amplifier
• D. Mute the receiver audio when a signal is not present

T8A11

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

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

T1D06

23. 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. Any such language is prohibited
• D. There is no such prohibition

T1B11

24. What is the maximum peak envelope power output for Technician class operators in their HF band segments?

• A. 100 watts
• B. 10 watts
• C. 200 watts
• D. 50 watts

T7D10

25. What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

• A. Decreasing resistance with time
• B. Increasing resistance with time
• C. Alternating between open and short circuit
• D. Steady full-scale reading

T3C06

26. 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. D region refraction
• D. Faraday rotation

T9A09

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

• A. 50
• B. 6
• C. 112
• D. 236

T4A02

28. 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. The distance that the meter will be located from the antenna
• C. The types of modulation being used at the station
• D. All these choices are correct

T1A11

29. When is willful interference to other amateur radio stations permitted?

• A. At any time, stations in the Amateur Radio Service are not protected from willful interference
• B. At no time
• C. To stop another amateur station that is breaking the FCC rules
• D. When making short test transmissions

T7A09

30. What is the function of the SSB/CW-FM switch on a VHF power amplifier?

• A. Change the frequency range of the amplifier to operate in the proper segment of the band
• B. Change the mode of the transmitted signal
• C. Set the amplifier for proper operation in the selected mode
• D. Reduce the received signal noise

T6C06

31. What is component 6 in figure T-2?

• A. Regulator IC
• B. Resistor
• C. Capacitor
• D. Transistor

T0B05

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

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

T3B01

33. What is the relationship between the electric and magnetic fields of an electromagnetic wave?

• A. They are in parallel
• B. They travel at different speeds
• C. They are at right angles
• D. They revolve in opposite directions

T1C01

34. For which license classes are new licenses currently available from the FCC?

• A. Technician, Technician Plus, General, Amateur Extra
• B. Novice, Technician Plus, General, Advanced
• C. Novice, Technician, General, Amateur Extra
• D. Technician, General, Amateur Extra

T2C11

35. What is meant by "check" in a radiogram header?

• A. A list of stations that have relayed the message
• B. The number of words or word equivalents in the text portion of the message
• C. The call sign of the originating station
• D. A box on the message form that indicates that the message was received and/or relayed