Practice Exam

T8D06

1. What does the abbreviation "PSK" mean?

• A. Phase Shift Keying
• B. Phased Slide Keying
• C. Packet Short Keying
• D. Pulse Shift Keying

T0A07

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

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

T1A02

3. Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

• A. All these choices are correct
• B. FEMA
• C. The FCC
• D. Homeland Security

T2B11

4. Which Q signal indicates that you are changing frequency?

• A. QRZ
• B. QSL
• C. QSY
• D. QRU

T0C08

5. Which of the following actions can reduce exposure to RF radiation?

• A. Increase the duty cycle
• B. Relocate the transmitter
• C. Relocate antennas
• D. All these choices are correct

T1B05

6. How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

• A. Fixed digital message forwarding systems only
• B. Fast-scan television only
• C. Spread spectrum only
• D. Emergency traffic only

T5C09

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

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

T0B06

8. What is the minimum safe distance from a power line to allow when installing an antenna?

• A. Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
• B. Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
• C. 1/2 wavelength at the operating frequency
• D. The height of the power line above ground

T1F02

9. How often must you identify with your FCC-assigned call sign when using tactical call signs such as "Race Headquarters"?

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

T5B02

10. Which is equal to 1,500,000 hertz?

• A. 1500 kHz
• B. 150 kHz
• C. 15 GHz
• D. 1500 MHz

T8C04

11. Which of the following is good procedure when contacting another station in a contest?

• A. Sign only the last two letters of your call if there are many other stations calling
• B. Contact the station twice to be sure that you are in his log
• C. Send only the minimum information needed for proper identification and the contest exchange
• D. All these choices are correct

T5D07

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

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

T6A04

13. What electrical component stores energy in an electric field?

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

T9A10

14. In which direction does a half-wave dipole antenna radiate the strongest signal?

• A. Off the ends of the antenna
• B. In the direction of the feed line
• C. Equally in all directions
• D. Broadside to the antenna

T3A01

15. Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

• A. Multipath propagation cancels or reinforces signals
• B. The signal path encounters different concentrations of water vapor
• C. VHF ionospheric propagation is very sensitive to path length
• D. All these choices are correct

T4A06

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

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

T6B10

17. Which of the following can provide power gain?

• A. Resistor
• B. Reactor
• C. Transistor
• D. Transformer

T6D06

18. What component changes 120 V AC power to a lower AC voltage for other uses?

• A. Transformer
• B. Variable capacitor
• C. Transistor
• D. Diode

T4B08

19. What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

• A. Increases the number of frequencies that can be stored in memory
• B. Permits monitoring several modes at once by selecting a separate filter for each mode
• C. Increases the amount of offset between receive and transmit frequencies
• D. Permits noise or interference reduction by selecting a bandwidth matching the mode

T1E10

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

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

T8B10

21. What is a LEO satellite?

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

T9B08

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

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

T3C11

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

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

T2C01

24. When do FCC rules NOT apply to the operation of an amateur station?

• A. When operating under special FEMA rules
• B. When operating under special ARES rules
• C. When operating a RACES station
• D. FCC rules always apply

T3B04

25. What is the velocity of a radio wave traveling through free space?

• A. Speed that increases as the frequency increases
• B. Speed of sound
• C. Speed inversely proportional to its wavelength
• D. Speed of light

T1C06

26. From which of the following locations may an FCC-licensed amateur station transmit?

• A. From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
• B. From any vessel or craft located in international waters and documented or registered in the United States
• C. From within any country that belongs to the International Telecommunication Union
• D. From within any country that is a member of the United Nations

T7B10

27. What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

• A. Your batteries are running low
• B. All these choices are correct
• C. You are in a bad location
• D. Your transmitter is slightly off frequency

T7D07

28. Which of the following measurements are made using a multimeter?

• A. All these choices are correct
• B. Voltage and resistance
• C. Impedance and reactance
• D. Signal strength and noise

T1D10

29. How does the FCC define broadcasting for the Amateur Radio Service?

• A. Any transmission made by the licensed station
• 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

T2A12

30. What should you do before calling CQ?

• A. All these choices are correct
• B. Listen first to be sure that no one else is using the frequency
• C. Make sure you are authorized to use that frequency
• D. Ask if the frequency is in use

T6C11

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

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

T8A10

32. What is the approximate bandwidth of AM fast-scan TV transmissions?

• A. About 3 MHz
• B. About 1 MHz
• C. About 6 MHz
• D. More than 10 MHz

T5A04

33. What are the units of electrical resistance?

• A. Coulombs
• B. Ohms
• C. Mhos
• D. Siemens

T7A06

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

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

T7C04

35. What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

• A. 50:50
• B. Full Scale
• C. Zero
• D. 1:1