Practice Exam

T0B02

1. What is required when climbing an antenna tower?

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

T6D08

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

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

T1C07

3. Which of the following can result in revocation of the station license or suspension of the operator license?

• A. Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
• B. Failure to obtain FCC type acceptance prior to using a home-built transmitter
• C. Failure to provide and maintain a correct email address with the FCC
• D. Failure to have a copy of your license available at your station

T8D04

4. What type of transmission is indicated by the term "NTSC?"

• A. A Normal Transmission mode in Static Circuit
• B. A frame compression scheme for TV signals
• C. An analog fast-scan color TV signal
• D. A special mode for satellite uplink

T8C06

5. How is over the air access to IRLP nodes accomplished?

• A. By using DTMF signals
• B. By entering the proper internet password
• C. By obtaining a password that is sent via voice to the node
• D. By using CTCSS tone codes

T2A11

6. What term describes an amateur station that is transmitting and receiving on the same frequency?

• A. Simplex
• B. Multiplex
• C. Diplex
• D. Full duplex

T5C13

7. What is the abbreviation for kilohertz?

• A. khz
• B. kHz
• C. khZ
• D. KHZ

T8A12

8. Which of the following is a disadvantage of FM compared with single sideband?

• A. Only one signal can be received at a time
• B. Voice quality is poorer
• C. FM signals are harder to tune
• D. All these choices are correct

T6B02

9. What electronic component allows current to flow in only one direction?

• A. Fuse
• B. Diode
• C. Driven element
• D. Resistor

T3A05

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

T1D09

11. When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

• A. When broadcasting communications to or from the space shuttle
• B. When such communications are directly related to the immediate safety of human life or protection of property
• C. Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
• D. Never

T4B06

12. Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

• A. The AGC or limiter
• B. The tone squelch
• C. The RIT or Clarifier
• D. The bandwidth selection

T1B07

13. Which of the following VHF/UHF band segments are limited to CW only?

• A. All these choices are correct
• B. 219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
• C. 50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
• D. 902.0 MHz to 902.1 MHz

T0C07

14. What hazard is created by touching an antenna during a transmission?

• A. All these choices are correct
• B. Radiation poisoning
• C. RF burn to skin
• D. Electrocution

T9A02

15. Which of the following describes a type of antenna loading?

• A. Installing a spring in the base of a mobile vertical antenna to make it more flexible
• B. Electrically lengthening by inserting inductors in radiating elements
• C. Strengthening the radiating elements of a beam antenna to better resist wind damage
• D. Inserting a resistor in the radiating portion of the antenna to make it resonant

T5B12

16. Which is equal to 28400 kHz?

• A. 28.400 kHz
• B. 284.00 MHz
• C. 28.400 MHz
• D. 2.800 MHz

T7A02

17. What is a transceiver?

• A. A device for automatically sending and decoding Morse code
• B. A device that combines a receiver and transmitter
• C. A device for converting receiver and transmitter frequencies to another band
• D. A device for matching feed line impedance to 50 ohms

T0A03

18. In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

• A. Equipment ground
• B. Hot
• C. Black insulation is never used
• D. Neutral

T4A05

19. Where should an RF power meter be installed?

• A. At the power supply output
• B. In the feed line, between the transmitter and antenna
• C. In parallel with the push-to-talk line and the antenna
• D. In the power supply cable, as close as possible to the radio

T2C09

20. Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

• A. No
• B. Yes, but only in situations involving the immediate safety of human life or protection of property
• C. Yes, but only when part of a RACES emergency plan
• D. Yes, but only when part of a FEMA emergency plan

T7D07

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

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

T1E03

22. Who must designate the station control operator?

• A. The station licensee
• B. The FCC
• C. Any licensed operator
• D. The frequency coordinator

T6C12

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

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

T1F10

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

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

T2B08

25. 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. The stations should negotiate continued use of the frequency
• C. Use subaudible tones so both stations can share the frequency
• D. Interference is inevitable, so no action is required

T8B05

26. What is a satellite beacon?

• A. A reflective surface on the satellite
• B. A transmission from a satellite that contains status information
• C. The primary transmit antenna on the satellite
• D. An indicator light that shows where to point your antenna

T1A09

27. Who selects a Frequency Coordinator?

• A. The FCC Office of Spectrum Management and Coordination Policy
• B. The local chapter of the Office of National Council of Independent Frequency Coordinators
• C. FCC Regional Field Office
• D. Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations

T6A03

28. What electrical parameter is controlled by a potentiometer?

• A. Capacitance
• B. Field strength
• C. Resistance
• D. Inductance

T3C11

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

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

T9B10

30. What is the electrical difference between RG-58 and RG-213 coaxial cable?

• A. There is no significant difference between the two types
• B. RG-58 cable has two shields
• C. RG-213 cable has less loss at a given frequency
• D. RG-58 cable can handle higher power levels

T5D08

31. What is the current through a 100-ohm resistor connected across 200 volts?

• A. 0.5 amperes
• B. 2 amperes
• C. 100 amperes
• D. 20,000 amperes

T7C09

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

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

T5A03

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

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

T3B09

34. What frequency range is referred to as UHF?

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

T7B06

35. Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?

• A. All these choices are correct
• B. Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
• C. Immediately turn off your transmitter and contact the nearest FCC office for assistance
• D. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated