Practice Exam

T6B07

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

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

T1C01

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

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

T1B01

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

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

T1E02

4. Who may be the control operator of a station communicating through an amateur satellite or space station?

• A. Any amateur allowed to transmit on the satellite uplink frequency
• B. Only an Amateur Extra Class operator
• C. A General class or higher licensee with a satellite operator certification
• D. Only an Amateur Extra Class operator who is also an AMSAT member

T5B03

5. Which is equal to one kilovolt?

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

T5A07

6. Why are metals generally good conductors of electricity?

• A. All these choices are correct
• B. They have relatively high density
• C. They have many free electrons
• D. They have many free protons

T5C08

7. What is the formula used to calculate electrical power (P) in a DC circuit?

• A. P = E + I
• B. P = E / I
• C. P = E * I
• D. P = E - I

T3B11

8. What is the approximate velocity of a radio wave in free space?

• A. 150,000 miles per hour
• B. 150,000 meters per second
• C. 300,000,000 meters per second
• D. 300,000,000 miles per hour

T4A06

9. What signals are used in a computer-radio interface for digital mode operation?

• A. Receive and transmit mode, status, and location
• B. NMEA GPS location and DC power
• C. Antenna and RF power
• D. Receive audio, transmit audio, and transmitter keying

T7D04

10. Which instrument is used to measure electric current?

• A. An electrometer
• B. A voltmeter
• C. An ohmmeter
• D. An ammeter

T0B02

11. What is required when climbing an antenna tower?

• A. Always wear an approved climbing harness
• B. All these choices are correct
• C. Use appropriate tie-off to the tower at all times
• D. Have sufficient training on safe tower climbing techniques

T7A04

12. Which term describes the ability of a receiver to discriminate between multiple signals?

• A. Discrimination ratio
• B. Harmonic distortion
• C. Sensitivity
• D. Selectivity

T2C07

13. Which of the following is standard practice when you participate in a net?

• A. Record the time of each of your transmissions
• B. Unless you are reporting an emergency, transmit only when directed by the net control station
• C. When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
• D. All these choices are correct

T9B03

14. Why is coaxial cable the most common feed line for amateur radio antenna systems?

• A. It is less expensive than any other type of feed line
• B. It can handle more power than any other type of feed line
• C. It has less loss than any other type of feed line
• D. It is easy to use and requires few special installation considerations

T1A08

15. Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

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

T2A09

16. Which of the following indicates that a station is listening on a repeater and looking for a contact?

• A. "CQ CQ" followed by the repeater's call sign
• B. The repeater call sign followed by the station's call sign
• C. "QSY" followed by your call sign
• D. The station's call sign followed by the word "monitoring"

T2B07

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

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

T1D03

18. When is it permissible to transmit messages encoded to obscure their meaning?

• A. Never
• B. Only when transmitting certain approved digital codes
• C. Only during contests
• D. Only when transmitting control commands to space stations or radio control craft

T8C08

19. What is the Internet Radio Linking Project (IRLP)?

• A. A technique for measuring signal strength of an amateur transmitter via the internet
• B. A system for providing access to websites via amateur radio
• C. A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
• D. A system for informing amateurs in real time of the frequency of active DX stations

T1F11

20. Which of the following is a requirement for the issuance of a club station license grant?

• A. The club must have at least four members
• B. The club must be registered with the American Radio Relay League
• C. All these choices are correct
• D. The trustee must have an Amateur Extra Class operator license grant

T3A11

21. Which region of the atmosphere can refract or bend HF and VHF radio waves?

• A. The mesosphere
• B. The stratosphere
• C. The ionosphere
• D. The troposphere

T4B03

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

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

T9A12

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

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

T8D07

24. Which of the following describes DMR?

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

T8A11

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

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

T8B11

26. Who may receive telemetry from a space station?

• A. A licensed radio amateur who has been certified by the protocol developer
• B. A licensed radio amateur with a transmitter equipped for interrogating the satellite
• C. A licensed radio amateur who has registered for an access code from AMSAT
• D. Anyone

T0C01

27. What type of radiation are radio signals?

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

T7B05

28. How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

• A. Switch the transmitter to a narrow-band mode
• B. Block the interfering signal with a filter on the amateur transmitter
• C. Block the amateur signal with a filter at the antenna input of the affected receiver
• D. Switch the transmitter from FM to SSB

T7C06

29. What does an SWR reading of 4:1 indicate?

• A. Good impedance match
• B. Gain of +4 dB
• C. Loss of -4 dB
• D. Impedance mismatch

T6A06

30. What type of electrical component stores energy in a magnetic field?

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

T5D08

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

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

T0A07

32. Where should a lightning arrester be installed in a coaxial feed line?

• A. On a grounded panel near where feed lines enter the building
• B. At the antenna feed point
• C. At the ac power service panel
• D. At the output connector of a transceiver

T6D11

33. Which of the following is a resonant or tuned circuit?

• A. A linear voltage regulator
• B. An inductor and a capacitor in series or parallel
• C. A circuit designed to provide high-fidelity audio
• D. A resistor circuit used for reducing standing wave ratio

T3C03

34. What is a characteristic of VHF signals received via auroral backscatter?

• A. They are generally strongest when your antenna is aimed west
• B. They are often received from 10,000 miles or more
• C. They occur only during winter nighttime hours
• D. They are distorted and signal strength varies considerably

T6C06

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

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