Practice Exam

T5C06

1. What does the abbreviation "RF" mean?

• A. Reflective force in antenna transmission lines
• B. The resonant frequency of a tuned circuit
• C. The real frequency transmitted as opposed to the apparent frequency
• D. Radio frequency signals of all types

T9A08

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

• A. 12
• B. 112
• C. 50
• D. 19

T7D01

3. Which instrument would you use to measure electric potential?

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

T5D05

4. What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

• A. 13.5 ohms
• B. 8 ohms
• C. 18 ohms
• D. 0.125 ohms

T6A12

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

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

T7C01

6. What is the primary purpose of a dummy load?

• A. To improve the efficiency of an antenna
• B. To improve the signal-to-noise ratio of a receiver
• C. To prevent over-modulation of a transmitter
• D. To prevent transmitting signals over the air when making tests

T7B02

7. What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

• A. The microphone gain of the transmitter is turned up too high
• B. The audio amplifier of the transmitter is overloaded
• C. The receiver is unable to reject strong signals outside the AM or FM band
• D. The deviation of an FM transmitter is set too low

T1B06

8. On which HF bands does a Technician class operator have phone privileges?

• A. 10 meter band only
• B. None
• C. 80 meter, 40 meter, 15 meter, and 10 meter bands
• D. 30 meter band only

T1A01

9. Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

• A. Providing personal radio communications for as many citizens as possible
• B. Providing communications for international non-profit organizations
• C. All these choices are correct
• D. Advancing skills in the technical and communication phases of the radio art

T2B04

10. Which of the following could be the reason you are unable to access a repeater whose output you can hear?

• A. You are using the wrong DCS code
• B. All these choices are correct
• C. Improper transceiver offset
• D. You are using the wrong CTCSS tone

T3A05

11. When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

• A. Increase the antenna SWR
• B. Try the long path
• C. Try to find a path that reflects signals to the repeater
• D. Change from vertical to horizontal polarization

T0C13

12. Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

• A. The station licensee
• B. Anyone who is near an antenna
• C. The local zoning board
• D. The FCC

T0B01

13. Which of the following is good practice when installing ground wires on a tower for lightning protection?

• A. Ensure that connections are short and direct
• B. All these choices are correct
• C. Make sure all ground wire bends are right angles
• D. Put a drip loop in the ground connection to prevent water damage to the ground system

T9B01

14. What is a benefit of low SWR?

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

T5A08

15. Which of the following is a good electrical insulator?

• A. Copper
• B. Aluminum
• C. Mercury
• D. Glass

T8A06

16. Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

• A. Upper sideband
• B. Lower sideband
• C. Suppressed sideband
• D. Inverted sideband

T4B05

17. What does the scanning function of an FM transceiver do?

• A. Tunes through a range of frequencies to check for activity
• B. Prevents interference to nearby repeaters
• C. Checks for messages left on a digital bulletin board
• D. Checks incoming signal deviation

T4A07

18. Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

• A. Computer "line out" to transceiver push-to-talk
• B. Computer "line in" to transceiver push-to-talk
• C. Computer "line in" to transceiver speaker connector
• D. Computer "line out" to transceiver speaker connector

T1F10

19. Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

• A. The control operator of the repeater
• B. The owner of the repeater
• C. Both the originating station and the repeater owner
• D. The control operator of the originating station

T3C03

20. What is a characteristic of VHF signals received via auroral backscatter?

• A. They occur only during winter nighttime hours
• B. They are often received from 10,000 miles or more
• C. They are generally strongest when your antenna is aimed west
• D. They are distorted and signal strength varies considerably

T3B04

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

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

T8C11

22. What is an amateur radio station that connects other amateur stations to the internet?

• A. A repeater
• B. A beacon
• C. A digipeater
• D. A gateway

T6C12

23. Which of the following is accurately represented in electrical schematics?

• A. Component connections
• B. All these choices are correct
• C. Physical appearance of components
• D. Wire lengths

T8D05

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

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

T8B03

25. Which of the following are provided by satellite tracking programs?

• A. Maps showing the real-time position of the satellite track over Earth
• B. The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
• C. All these choices are correct
• D. The apparent frequency of the satellite transmission, including effects of Doppler shift

T1E07

26. When the control operator is not the station licensee, who is responsible for the proper operation of the station?

• A. The control operator and the station licensee
• B. Only the station licensee
• C. All licensed amateurs who are present at the operation
• D. Only the control operator

T1C05

27. Which of the following is a valid Technician class call sign format?

• A. KF1XXX
• B. All these choices are correct
• C. KA1X
• D. W1XX

T2C06

28. 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

T1D03

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

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

T6B04

30. Which of the following components can consist of three regions of semiconductor material?

• A. Pentagrid converter
• B. Triode
• C. Alternator
• D. Transistor

T0A08

31. Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

• A. In series with the hot conductor only
• B. In parallel with the hot and neutral conductors
• C. In series with the hot and neutral conductors
• D. In parallel with the hot conductor only

T7A10

32. What device increases the transmitted output power from a transceiver?

• A. All these choices are correct
• B. A voltage divider
• C. An impedance network
• D. An RF power amplifier

T6D07

33. Which of the following is commonly used as a visual indicator?

• A. FET
• B. Bipolar transistor
• C. LED
• D. Zener diode

T5B10

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

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

T2A01

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

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