Practice Exam

T8B02

1. What is the impact of using excessive effective radiated power on a satellite uplink?

• A. Possibility of commanding the satellite to an improper mode
• B. Overloading the satellite batteries
• C. Blocking access by other users
• D. Possibility of rebooting the satellite control computer

T6D02

2. What is a relay?

• A. A pass transistor
• B. An electrically-controlled switch
• C. A current-controlled amplifier
• D. An inverting amplifier

T5B01

3. How many milliamperes is 1.5 amperes?

• A. 0.0015 milliamperes
• B. 1,500,000 milliamperes
• C. 0.0000015 milliamperes
• D. 1500 milliamperes

T1A08

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

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

T5C04

5. What is the unit of inductance?

• A. Coulomb
• B. Ohm
• C. Farad
• D. Henry

T5D12

6. What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

• A. 0.2 volts
• B. 8 volts
• C. 12 volts
• D. 20 volts

T0A06

7. What is a good way to guard against electrical shock at your station?

• A. Use three-wire cords and plugs for all AC powered equipment
• B. All these choices are correct
• C. Connect all AC powered station equipment to a common safety ground
• D. Ensure all capacitors used for high-voltage DC are fully discharged before working inside equipment

T0B06

8. What is the minimum safe distance from a power line to allow when installing an antenna?

• A. Enough so that if the antenna falls, no part of it can come within 10 feet of the power wires
• B. Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
• C. 1/2 wavelength at the operating frequency
• D. The height of the power line above ground

T8C10

9. What is required before using the EchoLink system?

• A. At least a General Class license
• B. Complete the required EchoLink training
• C. Register your call sign and provide proof of license
• D. Purchase a license to use the EchoLink software

T8A02

10. What type of modulation is commonly used for VHF packet radio transmissions?

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

T1E07

11. When the control operator is not the station licensee, who is responsible for the proper operation of the station?

• A. Only the control operator
• B. All licensed amateurs who are present at the operation
• C. The control operator and the station licensee
• D. Only the station licensee

T4B06

12. Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

• A. The RIT or Clarifier
• B. The tone squelch
• C. The AGC or limiter
• D. The bandwidth selection

T3A09

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

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

T2B03

14. Which of the following describes a linked repeater network?

• A. A system of repeaters linked by APRS
• B. A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network
• C. A single repeater with more than one receiver
• D. Multiple repeaters with the same control operator

T4A07

15. Which of the following is one of the connections required between a computer and a transceiver to operate digital modes?

• A. Computer "line in" to transceiver push-to-talk
• B. Computer "line in" to transceiver speaker connector
• C. Computer "line out" to transceiver push-to-talk
• D. Computer "line out" to transceiver speaker connector

T7B01

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

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

T9A09

17. What is an advantage of a 5/8-wavelength whip antenna for VHF or UHF mobile service compared to a 1/4-wave antenna?

• A. It has lower impedance
• B. It has more gain
• C. It has lower SWR
• D. It radiates at a higher angle

T3C05

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

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

T7A02

19. What is a transceiver?

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

T5A05

20. A difference in which of the following causes electron flow?

• A. Voltage
• B. Capacitance
• C. Ampere-hours
• D. Inductance

T1F09

21. What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

• A. Beacon station
• B. Message forwarding station
• C. Repeater station
• D. Remote control station

T8D12

22. Which of the following best describes an amateur radio mesh network?

• A. An amateur-radio data network using commercial Wi-Fi equipment with modified firmware
• B. An internet linking protocol allowing communication through repeaters around the world
• C. A wide-bandwidth digital voice mode employing DMR protocols
• D. An amateur-radio satellite communications network using modified commercial satellite TV hardware

T7D11

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

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

T6C11

24. What is component 4 in figure T-3?

• A. Ground
• B. Antenna
• C. Dummy load
• D. Transmitter

T1D10

25. How does the FCC define broadcasting for the Amateur Radio Service?

• A. Transmission of messages directed only to amateur operators
• B. Two-way transmissions by amateur stations
• C. Transmissions intended for reception by the general public
• D. Any transmission made by the licensed station

T1B11

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

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

T3B06

27. What is the formula for converting frequency to approximate wavelength in meters?

• A. Wavelength in meters equals frequency in megahertz divided by 300
• B. Wavelength in meters equals 300 divided by frequency in megahertz
• C. Wavelength in meters equals frequency in hertz multiplied by 300
• D. Wavelength in meters equals frequency in hertz divided by 300

T6A01

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

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

T7C04

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

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

T6B04

30. Which of the following components can consist of three regions of semiconductor material?

• A. Triode
• B. Transistor
• C. Pentode
• D. Alternator

T1C08

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

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

T9B05

32. What happens as the frequency of a signal in coaxial cable is increased?

• A. The loss decreases
• B. The loss increases
• C. The characteristic impedance increases
• D. The characteristic impedance decreases

T0C12

33. How does RF radiation differ from ionizing radiation (radioactivity)?

• A. RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
• B. RF radiation can only be detected with an RF dosimeter
• C. RF radiation is perfectly safe
• D. RF radiation is limited in range to a few feet

T2A03

34. What is a common repeater frequency offset in the 70-centimeter band?

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

T2C05

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

• A. Operation by mobile or portable stations
• B. Formal messages exchanged by net stations
• C. The number of stations checking in and out of a net
• D. A count of the number of activations of the net each month