Practice Exam

T8A01

1. Which of the following is a form of amplitude modulation?

• A. Single sideband
• B. Spread-spectrum
• C. Phase shift keying
• D. Packet radio

T1E04

2. What determines the transmitting privileges of an amateur station?

• A. The highest class of operator license held by anyone on the premises
• B. The class of operator license held by the station licensee
• C. The frequency authorized by the frequency coordinator
• D. The class of operator license held by the control operator

T7A02

3. What type of receiver is shown in Figure T6?

• A. Dual-conversion superheterodyne
• B. Direct conversion
• C. Single-conversion superheterodyne
• D. Super-regenerative

T8D03

4. Which of the following is normally used when sending automatic location reports via amateur radio?

• A. A WWV receiver
• B. A connection to the vehicle speedometer
• C. A Global Positioning System receiver
• D. A connection to a broadcast FM sub-carrier receiver

T1F02

5. When using tactical identifiers, how often must your station transmit the station's FCC-assigned call sign?

• A. Never, the tactical call is sufficient
• B. Once during every hour
• C. At the end of every communication
• D. Every ten minutes

T5B09

6. What is the approximate amount of change, measured in decibels (dB), of a power increase from 5 watts to 10 watts?

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

T8C07

7. What is the maximum power allowed when transmitting telecommand signals to radio controlled models?

• A. 25 watts
• B. 1 watt
• C. 500 milliwatts
• D. 1500 watts

T1D10

8. What is the meaning of the term broadcasting in the FCC rules for the amateur services?

• A. Transmission of music
• B. Transmission of messages directed only to amateur operators
• C. Two-way transmissions by amateur stations
• D. Transmissions intended for reception by the general public

T7B08

9. What should you do if a "Part 15" device in your neighbor's home is causing harmful interference to your amateur station?

• A. Politely inform your neighbor about the rules that require him to stop using the device if it causes interference
• B. Check your station and make sure it meets the standards of good amateur practice
• C. All of these choices are correct
• D. Work with your neighbor to identify the offending device

T4A09

10. Which would you use to reduce RF current flowing on the shield of an audio cable?

• A. Preamplifier
• B. Ferrite choke
• C. Band-pass filter
• D. Low-pass filter

T3B09

11. What are the frequency limits of the UHF spectrum?

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

T9B04

12. What does an antenna tuner do?

• A. It allows an antenna to be used on both transmit and receive
• B. It automatically selects the proper antenna for the frequency band being used
• C. It matches the antenna system impedance to the transceiver's output impedance
• D. It helps a receiver automatically tune in weak stations

T1C01

13. Which type of call sign has a single letter in both the prefix and suffix?

• A. Vanity
• B. Special event
• C. Sequential
• D. In-memoriam

T8B03

14. Which of the following can be done using an amateur radio satellite?

• A. All of these choices are correct
• B. Get global positioning information
• C. Talk to amateur radio operators in other countries
• D. Make telephone calls

T9A08

15. What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

• A. 112
• B. 50
• C. 12
• D. 19

T6A07

16. What electrical component is usually composed of a coil of wire?

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

T2A10

17. What is a band plan, beyond the privileges established by the FCC?

• A. A list of scheduled net frequencies
• B. A mandated list of operating schedules
• C. A plan devised by a club to use a frequency band during a contest
• D. A voluntary guideline for using different modes or activities within an amateur band

T2B09

18. Which of the following methods is encouraged by the FCC when identifying your station when using phone?

• A. Send your call sign in CW as well as voice
• B. Repeat your call sign three times
• C. Increase your signal to full power when identifying
• D. Use of a phonetic alphabet

T6C08

19. What is component 9 in figure T2?

• A. Variable transformer
• B. Variable resistor
• C. Variable inductor
• D. Variable capacitor

T7D06

20. Which of the following might damage a multimeter?

• A. Measuring a voltage too small for the chosen scale
• B. Leaving the meter in the milliamps position overnight
• C. Attempting to measure voltage when using the resistance setting
• D. Not allowing it to warm up properly

T1A07

21. What is the FCC Part 97 definition of telemetry?

• A. A one-way transmission to initiate, modify or terminate functions of a device at a distance
• B. An information bulletin issued by the FCC
• C. An information bulletin from a VEC
• D. A one-way transmission of measurements at a distance from the measuring instrument

T2C08

22. What is usually considered to be the most important job of an amateur operator when handling emergency traffic messages?

• A. Communicating messages to the news media for broadcast outside the disaster area
• B. Estimating the number of people affected by the disaster
• C. Passing messages exactly as written, spoken or as received
• D. Broadcasting emergency information to the general public

T7C10

23. Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

• A. Ultraviolet resistant jackets prevent harmonic radiation
• B. Ultraviolet light can increase losses in the cable's jacket
• C. Ultraviolet and RF signals can mix together, causing interference
• D. Ultraviolet light can damage the jacket and allow water to enter the cable

T3C09

24. What is generally the best time for long-distance 10 meter band propagation?

• A. When there are coronal mass ejections
• B. Whenever the solar flux is low
• C. During daylight hours
• D. During nighttime hours

T5C05

25. What is the unit of frequency?

• A. Hertz
• B. Farad
• C. Henry
• D. Tesla

T0B05

26. What is the purpose of a gin pole?

• A. To lift tower sections or antennas
• B. To temporarily replace guy wires
• C. To be used in place of a safety harness
• D. To provide a temporary ground

T0A04

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

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

T6B04

28. Which of these components is made of three layers of semiconductor material?

• A. Bipolar junction transistor
• B. Triode
• C. Alternator
• D. Pentagrid converter

T0C01

29. What type of radiation are VHF and UHF radio signals?

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

T4B10

30. Which of the following is an appropriate receive filter to select in order to minimize noise and interference for CW reception?

• A. 5000 Hz
• B. 2400 Hz
• C. 500 Hz
• D. 1000 Hz

T1B02

31. North American amateur stations are located in which ITU region?

• A. Region 1
• B. Region 4
• C. Region 3
• D. Region 2

T5A10

32. Which term describes the rate at which electrical energy is used?

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

T3A04

33. What can happen if the antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

• A. Nothing significant will happen
• B. Signals could be significantly weaker
• C. The modulation sidebands might become inverted
• D. Signals have an echo effect on voices

T5D11

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

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

T6D01

35. Which of the following devices or circuits changes an alternating current into a varying direct current signal?

• A. Rectifier
• B. Amplifier
• C. Transformer
• D. Reflector