Practice Exam

T7B06

1. Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?

• A. Immediately turn off your transmitter and contact the nearest FCC office for assistance
• B. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
• C. All these choices are correct
• D. Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel

T3B09

2. What frequency range is referred to as UHF?

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

T6B07

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

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

T6C04

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

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

T0A01

5. Which of the following is a safety hazard of a 12-volt storage battery?

• A. Shorting the terminals can cause burns, fire, or an explosion
• B. All these choices are correct
• C. RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
• D. Touching both terminals with the hands can cause electrical shock

T9B05

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

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

T7C07

7. What happens to power lost in a feed line?

• A. It increases the SWR
• B. It distorts the signal
• C. It is radiated as harmonics
• D. It is converted into heat

T2B07

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

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

T8B05

9. What is a satellite beacon?

• A. The primary transmit antenna on the satellite
• B. A reflective surface on the satellite
• C. A transmission from a satellite that contains status information
• D. An indicator light that shows where to point your antenna

T4A03

10. Why are short, heavy-gauge wires used for a transceiver's DC power connection?

• A. To minimize voltage drop when transmitting
• B. To provide a good counterpoise for the antenna
• C. All these choices are correct
• D. To avoid RF interference

T1F04

11. What language may you use for identification when operating in a phone sub-band?

• A. English, French, or Spanish
• B. Any language recognized by the ITU
• C. Any language recognized by the United Nations
• D. English

T1C07

12. Which of the following can result in revocation of the station license or suspension of the operator license?

• A. Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
• B. Failure to provide and maintain a correct email address with the FCC
• C. Failure to obtain FCC type acceptance prior to using a home-built transmitter
• D. Failure to have a copy of your license available at your station

T4B06

13. 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 AGC or limiter
• C. The bandwidth selection
• D. The tone squelch

T8C06

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

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

T5C04

15. What is the unit of inductance?

• A. The farad
• B. The ohm
• C. The henry
• D. The coulomb

T3C09

16. What is generally the best time for long-distance 10 meter band propagation via the F region?

• A. From shortly after sunset to dawn during periods of low sunspot activity
• B. From dawn to shortly after sunset during periods of low sunspot activity
• C. From shortly after sunset to dawn during periods of high sunspot activity
• D. From dawn to shortly after sunset during periods of high sunspot activity

T6D06

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

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

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

T1E05

19. What is an amateur station's control point?

• A. The location of the station's transmitting antenna
• B. The mailing address of the station licensee
• C. The location at which the control operator function is performed
• D. The location of the station's transmitting apparatus

T9A09

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

• A. 112
• B. 6
• C. 236
• D. 50

T0B09

21. Why should you avoid attaching an antenna to a utility pole?

• A. All these choices are correct
• B. The 60 Hz radiations from the feed line may increase the SWR
• C. The antenna could contact high-voltage power lines
• D. The antenna will not work properly because of induced voltages

T2C09

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

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

T7A07

23. What is the function of a transceiver's PTT input?

• A. Provides a transmit tuning tone when grounded
• B. Input for a preamplifier tuning tone
• C. Input for a key used to send CW
• D. Switches transceiver from receive to transmit when grounded

T5A05

24. What is the electrical term for the force that causes electron flow?

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

T3A10

25. What effect does multi-path propagation have on data transmissions?

• A. No significant changes will occur if the signals are transmitted using FM
• B. Transmission rates must be increased by a factor equal to the number of separate paths observed
• C. Error rates are likely to increase
• D. Transmission rates must be decreased by a factor equal to the number of separate paths observed

T2A03

26. What is a common repeater frequency offset in the 70 cm band?

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

T8D04

27. What type of transmission is indicated by the term "NTSC?"

• A. A Normal Transmission mode in Static Circuit
• B. A frame compression scheme for TV signals
• C. A special mode for satellite uplink
• D. An analog fast-scan color TV signal

T1D05

28. When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

• A. When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
• B. When no profit is made on the sale
• C. When selling amateur radio equipment and not on a regular basis
• D. Never

T6A04

29. What electrical component stores energy in an electric field?

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

T1A02

30. Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

• A. FEMA
• B. The FCC
• C. All these choices are correct
• D. Homeland Security

T5D11

31. What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

• A. 1 volt
• B. 10 volts
• C. 11 volts
• D. 9 volts

T7D02

32. How is a voltmeter connected to a component to measure applied voltage?

• A. In series
• B. In parallel
• C. In phase
• D. In quadrature

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 is perfectly safe
• C. RF radiation can only be detected with an RF dosimeter
• D. RF radiation is limited in range to a few feet

T8A11

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

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

T1B11

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

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