Practice Exam

T3A06

1. What is the meaning of the term "picket fencing"?

• A. A type of ground system used with vertical antennas
• B. Local vs long-distance communications
• C. Rapid flutter on mobile signals due to multipath propagation
• D. Alternating transmissions during a net operation

T0C04

2. What factors affect the RF exposure of people near an amateur station antenna?

• A. Frequency and power level of the RF field
• B. Distance from the antenna to a person
• C. Radiation pattern of the antenna
• D. All these choices are correct

T1A09

3. Who selects a Frequency Coordinator?

• A. FCC Regional Field Office
• B. The local chapter of the Office of National Council of Independent Frequency Coordinators
• C. Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
• D. The FCC Office of Spectrum Management and Coordination Policy

T7C08

4. Which instrument can be used to determine SWR?

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

T1C05

5. Which of the following is a valid Technician class call sign format?

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

T0A11

6. What hazard exists in a power supply immediately after turning it off?

• A. Circulating currents in the dc filter
• B. Charge stored in filter capacitors
• C. Voltage transients from kickback diodes
• D. Leakage flux in the power transformer

T7A01

7. Which term describes the ability of a receiver to detect the presence of a signal?

• A. Sensitivity
• B. Total Harmonic Distortion
• C. Selectivity
• D. Linearity

T2A01

8. What is a common repeater frequency offset in the 2 meter band?

• A. Plus or minus 500 kHz
• B. Plus or minus 5 MHz
• C. Plus or minus 600 kHz
• D. Plus or minus 1 MHz

T5B13

9. Which is equal to 2425 MHz?

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

T8C11

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

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

T9B09

11. What can cause erratic changes in SWR?

• A. Local thunderstorm
• B. Overload from a strong local station
• C. Loose connection in the antenna or feed line
• D. Over-modulation

T9A12

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

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

T5C10

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

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

T6C04

14. What is component 3 in figure T-1?

• A. Resistor
• B. Transistor
• C. Lamp
• D. Ground symbol

T2B07

15. How can you join a digital repeater's "talkgroup"?

• A. Register your radio with the local FCC office
• B. Program your radio with the group's ID or code
• C. Sign your call after the courtesy tone
• D. Join the repeater owner's club

T8D05

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

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

T1F01

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

T8A05

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

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

T8B01

19. What telemetry information is typically transmitted by satellite beacons?

• A. All these choices are correct
• B. Time of day accurate to plus or minus 1/10 second
• C. Health and status of the satellite
• D. The signal strength of received signals

T6A01

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

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

T7D07

21. Which of the following measurements are made using a multimeter?

• A. Voltage and resistance
• B. Impedance and reactance
• C. Signal strength and noise
• D. All these choices are correct

T1B05

22. How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

• A. Fixed digital message forwarding systems only
• B. Spread spectrum only
• C. Emergency traffic only
• D. Fast-scan television only

T6B07

23. What causes a light-emitting diode (LED) to emit light?

• A. Forward current
• B. Inductively-coupled RF signal
• C. Capacitively-coupled RF signal
• D. Reverse current

T4A03

24. 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

T4B03

25. How is squelch adjusted so that a weak FM signal can be heard?

• A. Turn on the anti-squelch function
• B. Set the squelch threshold so that receiver output audio is on all the time
• C. Turn up the audio level until it overcomes the squelch threshold
• D. Enable squelch enhancement

T7B04

26. Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

• A. Band-pass filter
• B. Ferrite choke
• C. Preamplifier
• D. Low-pass filter

T5A06

27. What is the unit of frequency?

• A. Farad
• B. Henry
• C. Hertz
• D. Tesla

T3C02

28. What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

• A. HF accommodates wider bandwidth signals
• B. Long-distance ionospheric propagation is far more common on HF
• C. There is less atmospheric interference (static) on HF
• D. HF antennas are generally smaller

T1D01

29. With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

• A. Any country banned from making such communications by the American Radio Relay League (ARRL)
• B. Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
• C. Any country banned from such communications by the International Amateur Radio Union (IARU)
• D. Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications

T1E11

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

T2C09

31. Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

• A. No
• B. Yes, but only when part of a RACES emergency plan
• C. Yes, but only in situations involving the immediate safety of human life or protection of property
• D. Yes, but only when part of a FEMA emergency plan

T5D08

32. What is the current through a 100-ohm resistor connected across 200 volts?

• A. 0.5 amperes
• B. 20,000 amperes
• C. 100 amperes
• D. 2 amperes

T3B03

33. What are the two components of a radio wave?

• A. Ionizing and non-ionizing radiation
• B. Voltage and current
• C. Impedance and reactance
• D. Electric and magnetic fields

T6D09

34. What is the name of a device that combines several semiconductors and other components into one package?

• A. Integrated circuit
• B. Multi-pole relay
• C. Transducer
• D. Transformer

T0B10

35. Which of the following is true when installing grounding conductors used for lightning protection?

• A. Common grounds must be avoided
• B. Wires must be carefully routed with precise right-angle bends
• C. Sharp bends must be avoided
• D. Use only non-insulated wire