Practice Exam

T2B10

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

• A. QRM
• B. QSB
• C. QRN
• D. QTH

T5A03

2. What is the name for the flow of electrons in an electric circuit?

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

T3A09

3. Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

• A. Digital modes are unusable
• B. Either vertically or horizontally polarized antennas may be used for transmission or reception
• C. FM voice is unusable
• D. Both the transmitting and receiving antennas must be of the same polarization

T1D03

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

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

T6A07

5. What electrical component is typically constructed as a coil of wire?

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

T3B11

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

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

T8D11

7. What is an ARQ transmission system?

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

T9A03

8. Which of the following describes a simple dipole oriented parallel to Earth's surface?

• A. A vertically polarized antenna
• B. A ground-wave antenna
• C. A travelling-wave antenna
• D. A horizontally polarized antenna

T6D08

9. Which of the following is combined with an inductor to make a resonant circuit?

• A. Resistor
• B. Potentiometer
• C. Zener diode
• D. Capacitor

T2A09

10. 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"

T1E09

11. Which of the following are required for remote control operation?

• A. The control operator must indirectly manipulate the controls
• B. A control operator is required at all times
• C. All these choices are correct
• D. The control operator must be at the control point

T9B12

12. What is standing wave ratio (SWR)?

• A. The ratio of amplifier power output to input
• B. A measure of how well a load is matched to a transmission line
• C. An indication of the quality of your station's ground connection
• D. The transmitter efficiency ratio

T1F08

13. What is the definition of third party communications?

• A. Amateur radio communications where three stations are in communications with one another
• B. Operation when the transmitting equipment is licensed to a person other than the control operator
• C. A message from a control operator to another amateur station control operator on behalf of another person
• D. Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments

T0C10

14. Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

• A. It affects the average exposure to radiation
• B. It takes into account the antenna feed line loss
• C. It affects the peak exposure to radiation
• D. It takes into account the thermal effects of the final amplifier

T6B08

15. What does the abbreviation FET stand for?

• A. Free Electron Transmitter
• B. Frequency Emission Transmitter
• C. Fast Electron Transistor
• D. Field Effect Transistor

T1A03

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

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

T5C07

17. What is the abbreviation for megahertz?

• A. Mhz
• B. MHz
• C. mh
• D. MH

T5D12

18. What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

• A. 0.2 volts
• B. 20 volts
• C. 8 volts
• D. 12 volts

T0B02

19. What is required when climbing an antenna tower?

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

T0A04

20. What is the purpose of a fuse in an electrical circuit?

• A. All these choices are correct
• B. To remove power in case of overload
• C. To prevent power supply ripple from damaging a component
• D. To limit current to prevent shocks

T1C08

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

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

T1B10

22. Where may SSB phone be used in amateur bands above 50 MHz?

• A. In at least some segment of all these bands
• B. Only on repeaters
• C. Only in sub-bands allocated to General class or higher licensees
• D. On any band if the power is limited to 25 watts

T7D06

23. Which of the following can damage a multimeter?

• A. Attempting to measure resistance using the voltage setting
• B. Not allowing it to warm up properly
• C. Attempting to measure voltage when using the resistance setting
• D. Failing to connect one of the probes to ground

T3C02

24. What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

• A. There is less atmospheric interference (static) on HF
• B. HF antennas are generally smaller
• C. Long-distance ionospheric propagation is far more common on HF
• D. HF accommodates wider bandwidth signals

T8C08

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

T2C06

26. 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 have voluntarily registered their qualifications and equipment for communications duty in the public service
• C. 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
• D. A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies

T7A03

27. Which of the following is used to convert a signal from one frequency to another?

• A. Phase splitter
• B. Inverter
• C. Mixer
• D. Amplifier

T4B09

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

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

T5B09

29. Which decibel value most closely represents a power increase from 5 watts to 10 watts?

• A. 10 dB
• B. 2 dB
• C. 3 dB
• D. 5 dB

T7B05

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

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

T8A09

31. What is the approximate bandwidth of a VHF repeater FM voice signal?

• A. Between 10 and 15 kHz
• B. About 150 kHz
• C. Between 50 and 125 kHz
• D. Less than 500 Hz

T4A01

32. 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

T6C02

33. What is component 1 in figure T-1?

• A. Transistor
• B. Resistor
• C. Connector
• D. Battery

T8B10

34. What is a LEO satellite?

• A. A highly elliptical orbit satellite
• B. A sun synchronous satellite
• C. A satellite in low energy operation mode
• D. A satellite in low earth orbit

T7C09

35. Which of the following causes failure of coaxial cables?

• A. Operation at 100% duty cycle for an extended period
• B. Rapid fluctuation in transmitter output power
• C. Moisture contamination
• D. Solder flux contamination