Practice Exam

T3C07

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

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

T6B06

2. How is the cathode lead of a semiconductor diode often marked on the package?

• A. With the letter K
• B. With the word "cathode"
• C. With a stripe
• D. With the letter C

T0A11

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

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

T7B03

4. Which of the following can cause radio frequency interference?

• A. All these choices are correct
• B. Harmonics
• C. Fundamental overload
• D. Spurious emissions

T2A03

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

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

T6D04

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

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

T7C11

7. What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

• A. It cannot be used for VHF or UHF antennas
• B. It has more loss per foot
• C. It requires special techniques to prevent moisture in the cable
• D. It cannot be used at below freezing temperatures

T1F11

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

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

T7A01

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

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

T4B09

10. How is a specific group of stations selected on a digital voice transceiver?

• A. By activating automatic identification
• B. By enabling the group's CTCSS tone
• C. By entering the group's identification code
• D. By retrieving the frequencies from transceiver memory

T3B01

11. What is the relationship between the electric and magnetic fields of an electromagnetic wave?

• A. They are at right angles
• B. They are in parallel
• C. They travel at different speeds
• D. They revolve in opposite directions

T5D07

12. What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

• A. 9600 amperes
• B. 1.5 amperes
• C. 0.667 amperes
• D. 200 amperes

T6C11

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

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

T8B11

14. Who may receive telemetry from a space station?

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

T8A05

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

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

T5B04

16. Which is equal to one microvolt?

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

T2C02

17. Which of the following are typical duties of a Net Control Station?

• A. Choose the regular net meeting time and frequency
• B. Call the net to order and direct communications between stations checking in
• C. Ensure that all stations checking into the net are properly licensed for operation on the net frequency
• D. All these choices are correct

T1D01

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

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

T4A06

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

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

T9A05

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

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

T0C01

21. What type of radiation are radio signals?

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

T6A12

22. What type of switch is represented by component 3 in figure T-2?

• A. Single-pole double-throw
• B. Single-pole single-throw
• C. Double-pole single-throw
• D. Double-pole double-throw

T1B07

23. Which of the following VHF/UHF band segments are limited to CW only?

• A. 219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
• B. 50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
• C. All these choices are correct
• D. 902.0 MHz to 902.1 MHz

T8D11

24. What is an ARQ transmission system?

• A. A method of compressing data using autonomous reiterative Q codes prior to final encoding
• B. An error correction method in which the receiving station detects errors and sends a request for retransmission
• C. A system used to encrypt command signals to an amateur radio satellite
• D. A special transmission format limited to video signals

T5A02

25. Electrical power is measured in which of the following units?

• A. Watts
• B. Amperes
• C. Volts
• D. Watt-hours

T1A09

26. 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

T3A06

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

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

T1E11

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

T9B08

29. Which of the following is a source of loss in coaxial feed line?

• A. Multiple connectors in the line
• B. All these choices are correct
• C. High SWR
• D. Water intrusion into coaxial connectors

T7D04

30. Which instrument is used to measure electric current?

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

T1C08

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

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

T8C08

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

• A. A system for informing amateurs in real time of the frequency of active DX stations
• 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 technique for measuring signal strength of an amateur transmitter via the internet

T5C09

33. How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

• A. 0.7 watts
• B. 23.8 watts
• C. 138 watts
• D. 3.8 watts

T2B06

34. What type of signaling uses pairs of audio tones?

• A. D-STAR
• B. CTCSS
• C. GPRS
• D. DTMF

T0B07

35. Which of the following is an important safety rule to remember when using a crank-up tower?

• A. This type of tower must never be painted
• B. This type of tower must never be grounded
• C. All these choices are correct
• D. This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed