Practice Exam

T1E10

1. Which of the following is an example of remote control as defined in Part 97?

• A. Controlling a model aircraft, boat, or car by amateur radio
• B. All these choices are correct
• C. Repeater operation
• D. Operating the station over the internet

T0B05

2. What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

• A. Provide a ground path for lightning strikes
• B. Prevent loosening of the turnbuckle from vibration
• C. Secure the guy line if the turnbuckle breaks
• D. Provide an ability to measure for proper tensioning

T6D04

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

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

T7D04

4. Which instrument is used to measure electric current?

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

T2B08

5. Which of the following applies when two stations transmitting on the same frequency interfere with each other?

• A. Both stations should choose another frequency to avoid conflict
• B. Use subaudible tones so both stations can share the frequency
• C. Interference is inevitable, so no action is required
• D. The stations should negotiate continued use of the frequency

T8B11

6. 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 who has registered for an access code from AMSAT
• C. A licensed radio amateur with a transmitter equipped for interrogating the satellite
• D. Anyone

T1C02

7. Who may select a desired call sign under the vanity call sign rules?

• A. Any licensed amateur
• B. Only a licensed amateur with a General or Amateur Extra Class license
• C. Only a licensed amateur with an Amateur Extra Class license
• D. Only a licensed amateur who has been licensed continuously for more than 10 years

T7C03

8. What does a dummy load consist of?

• A. A high-gain amplifier and a TR switch
• B. A non-inductive resistor mounted on a heat sink
• C. A 50-ohm reactance used to terminate a transmission line
• D. A low-voltage power supply and a DC relay

T1F11

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

T5C02

10. What is the unit of capacitance?

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

T6A09

11. What electrical component is used to protect other circuit components from current overloads?

• A. All these choices are correct
• B. Fuse
• C. Thyratron
• D. Varactor

T1B11

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

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

T5A01

13. Electrical current is measured in which of the following units?

• A. Watts
• B. Amperes
• C. Volts
• D. Ohms

T6C09

14. What is component 4 in figure T-2?

• A. Transformer
• B. Double-pole switch
• C. Variable inductor
• D. Potentiometer

T8A11

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

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

T9B01

16. What is a benefit of low SWR?

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

T2A01

17. What is a common repeater frequency offset in the 2 meter band?

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

T2C06

18. What is the Amateur Radio Emergency Service (ARES)?

• A. A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
• B. A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
• C. A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
• D. A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies

T5B10

19. Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

• A. -6 dB
• B. -1 dB
• C. -3 dB
• D. -9 dB

T8D05

20. Which of the following is an application of APRS?

• A. Providing voice over internet connection between repeaters
• B. Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
• C. Providing information on the number of stations signed into a repeater
• D. Showing automatically the number of packets transmitted via PACTOR during a specific time interval

T6B12

21. What are the names of the electrodes of a bipolar junction transistor?

• A. Pole one, pole two, output
• B. Emitter, base, collector
• C. Signal, bias, power
• D. Input, output, supply

T4B11

22. Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

• A. All these choices are correct
• B. The codec type being used
• C. Your output power
• D. Your call sign

T5D14

23. In which type of circuit is voltage the same across all components?

• A. Branch
• B. Series
• C. Resonant
• D. Parallel

T7B05

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

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

T7A06

25. What device converts the RF input and output of a transceiver to another band?

• A. Phase converter
• B. Low-pass filter
• C. Transverter
• D. High-pass filter

T3C11

26. Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

• A. The atmosphere refracts radio waves slightly
• B. Radio signals move somewhat faster than the speed of light
• C. Radio waves are not blocked by dust particles
• D. Radio waves are blocked by dust particles

T3B05

27. What is the relationship between wavelength and frequency?

• A. Wavelength and frequency are unrelated
• B. Wavelength gets longer as frequency increases
• C. Wavelength gets shorter as frequency increases
• D. Wavelength and frequency increase as path length increases

T3A11

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

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

T8C08

29. 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 technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
• C. A system for providing access to websites via amateur radio
• D. A technique for measuring signal strength of an amateur transmitter via the internet

T4A01

30. Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

• A. 13.8 volts at 4 amperes
• B. 13.8 volts at 12 amperes
• C. 24.0 volts at 4 amperes
• D. 24.0 volts at 12 amperes

T0A11

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

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

T9A07

32. What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

• A. The bandwidth of the antenna will decrease, increasing SWR
• B. The SWR might decrease, decreasing the signal strength
• C. All these choices are correct
• D. Signal strength is reduced due to the shielding effect of the vehicle

T1D11

33. When may an amateur station transmit without identifying on the air?

• A. When the transmissions are unmodulated
• B. When the transmissions are of a brief nature to make station adjustments
• C. When the transmitted power level is below 1 watt
• D. When transmitting signals to control model craft

T0C03

34. How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

• A. It increases by a factor of 2
• B. It increases by a factor of 3
• C. It decreases by 50 percent
• D. There is no adjustment allowed for lower duty cycle

T1A03

35. What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

• A. All these choices are correct
• B. It is encouraged
• C. It is required when in contact with foreign stations
• D. It is required when transmitting emergency messages