Practice Exam

T4A12

1. What is an electronic keyer?

• A. A device for voice activated switching from receive to transmit
• B. A device for switching antennas from transmit to receive
• C. An interlock to prevent unauthorized use of a radio
• D. A device that assists in manual sending of Morse code

T3B08

2. What frequency range is referred to as VHF?

• A. 30 kHz to 300 kHz
• B. 30 MHz to 300 MHz
• C. 300 MHz to 3000 MHz
• D. 300 kHz to 3000 kHz

T8B06

3. 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. The Keplerian elements
• D. All these choices are correct

T3A02

4. What is the effect of vegetation on UHF and microwave signals?

• A. Amplification
• B. Absorption
• C. Knife-edge diffraction
• D. Polarization rotation

T1E08

5. Which of the following is an example of automatic control?

• A. Repeater operation
• B. Using a computer or other device to identify automatically
• C. Controlling a station over the internet
• D. Using a computer or other device to send CW automatically

T9A05

6. Which of the following increases the resonant frequency of a dipole antenna?

• A. Inserting coils in series with radiating wires
• B. Shortening it
• C. Lengthening it
• D. Adding capacitive loading to the ends of the radiating wires

T2C08

7. Which of the following is a characteristic of good traffic handling?

• A. Passing messages exactly as received
• B. Making decisions as to whether messages are worthy of relay or delivery
• C. Ensuring that any newsworthy messages are relayed to the news media
• D. All these choices are correct

T4B06

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

T1D08

9. In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

• A. When the communication is made to obtain emergency information for a local broadcast station
• B. All these choices are correct
• C. When the communication is incidental to classroom instruction at an educational institution
• D. When the communication is related to the sale of amateur equipment by the control operator's employer

T7A08

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

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

T7D08

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

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

T6B01

12. Which is true about forward voltage drop in a diode?

• A. It is lower in some diode types than in others
• B. It has no impact on the voltage delivered to the load
• C. It is proportional to peak inverse voltage
• D. It indicates that the diode is defective

T8A06

13. Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

• A. Upper sideband
• B. Suppressed sideband
• C. Inverted sideband
• D. Lower sideband

T6C11

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

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

T3C07

15. What band is best suited for communicating via meteor scatter?

• A. 2 meters
• B. 6 meters
• C. 70 centimeters
• D. 33 centimeters

T9B01

16. What is a benefit of low SWR?

• A. All these choices are correct
• B. Reduced television interference
• C. Reduced signal loss
• D. Less antenna wear

T5C10

17. 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

T1A11

18. 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. When making short test transmissions
• C. At no time
• D. To stop another amateur station that is breaking the FCC rules

T0B05

19. 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. Provide an ability to measure for proper tensioning
• C. Prevent loosening of the turnbuckle from vibration
• D. Provide a ground path for lightning strikes

T2A06

20. Which of the following is required when making on-the-air test transmissions?

• A. Notify the FCC of the transmissions
• B. All these choices are correct
• C. Identify the transmitting station
• D. Conduct tests only between 10 p.m. and 6 a.m. local time

T0C01

21. What type of radiation are radio signals?

• A. Alpha radiation
• B. Gamma radiation
• C. Ionizing radiation
• D. Non-ionizing radiation

T8D07

22. Which of the following describes DMR?

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

T1B01

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

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

T6A05

24. What type of electrical component consists of conductive surfaces separated by an insulator?

• A. Oscillator
• B. Capacitor
• C. Resistor
• D. Potentiometer

T0A09

25. What should be done to all external ground rods or earth connections?

• A. Waterproof them with silicone caulk or electrical tape
• B. Bond them together with heavy wire or conductive strap
• C. Tune them for resonance on the lowest frequency of operation
• D. Keep them as far apart as possible

T7B02

26. What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

• A. The microphone gain of the transmitter is turned up too high
• B. The deviation of an FM transmitter is set too low
• C. The audio amplifier of the transmitter is overloaded
• D. The receiver is unable to reject strong signals outside the AM or FM band

T2B10

27. Which Q signal indicates that you are receiving interference from other stations?

• A. QRM
• B. QRN
• C. QSB
• D. QTH

T8C04

28. Which of the following is good procedure when contacting another station in a contest?

• A. Contact the station twice to be sure that you are in his log
• B. Send only the minimum information needed for proper identification and the contest exchange
• C. Sign only the last two letters of your call if there are many other stations calling
• D. All these choices are correct

T1F10

29. Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

• A. The control operator of the repeater
• B. Both the originating station and the repeater owner
• C. The control operator of the originating station
• D. The owner of the repeater

T1C11

30. If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

• A. No, you must wait until the license has been renewed
• B. Yes, as soon as you apply for renewal
• C. Yes, for up to two years
• D. Yes, for up to one year

T5D05

31. What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

• A. 0.125 ohms
• B. 8 ohms
• C. 18 ohms
• D. 13.5 ohms

T6D04

32. Which of the following displays an electrical quantity as a numeric value?

• A. Potentiometer
• B. Meter
• C. Transistor
• D. Relay

T7C04

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

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

T5B04

34. Which is equal to one microvolt?

• A. One one-millionth of a volt
• B. One million volts
• C. One one-thousandth of a volt
• D. One thousand kilovolts

T5A10

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

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