Practice Exam

T9A10

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

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

T6C09

2. What is component 4 in figure T-2?

• A. Double-pole switch
• B. Potentiometer
• C. Variable inductor
• D. Transformer

T4A08

3. Which of the following conductors is preferred for bonding at RF?

• A. Flat copper strap
• B. Copper braid removed from coaxial cable
• C. Steel wire
• D. Twisted-pair cable

T1A11

4. When is willful interference to other amateur radio stations permitted?

• A. To stop another amateur station that is breaking the FCC rules
• B. At no time
• C. When making short test transmissions
• D. At any time, stations in the Amateur Radio Service are not protected from willful interference

T0C07

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

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

T4B04

6. What is a way to enable quick access to a favorite frequency or channel on your transceiver?

• A. Enable the frequency offset
• B. Store it in a memory channel
• C. Use the scan mode to select the desired frequency
• D. Enable the VOX

T9B01

7. What is a benefit of low SWR?

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

T7C10

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

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

T3A05

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

T0B10

10. Which of the following is true when installing grounding conductors used for lightning protection?

• A. Use only non-insulated wire
• B. Common grounds must be avoided
• C. Sharp bends must be avoided
• D. Wires must be carefully routed with precise right-angle bends

T1C06

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

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

T1F10

12. 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 owner of the repeater
• C. The control operator of the repeater
• D. The control operator of the originating station

T3B05

13. What is the relationship between wavelength and frequency?

• A. Wavelength and frequency are unrelated
• B. Wavelength gets shorter as frequency increases
• C. Wavelength gets longer as frequency increases
• D. Wavelength and frequency increase as path length increases

T3C11

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

T8A07

15. What is a characteristic of single sideband (SSB) compared to FM?

• A. All these choices are correct
• B. SSB signals are less susceptible to interference
• C. SSB signals have narrower bandwidth
• D. SSB signals are easier to tune in correctly

T1E10

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

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

T2C02

17. Which of the following are typical duties of a Net Control Station?

• A. Ensure that all stations checking into the net are properly licensed for operation on the net frequency
• B. Call the net to order and direct communications between stations checking in
• C. Choose the regular net meeting time and frequency
• D. All these choices are correct

T1B05

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

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

T5A05

19. What is the electrical term for the force that causes electron flow?

• A. Voltage
• B. Capacitance
• C. Inductance
• D. Ampere-hours

T7B03

20. Which of the following can cause radio frequency interference?

• A. Fundamental overload
• B. All these choices are correct
• C. Harmonics
• D. Spurious emissions

T2A10

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

• A. A plan devised by a club to indicate frequency band usage
• B. A list of available net frequencies
• C. A voluntary guideline for using different modes or activities within an amateur band
• D. A list of operating schedules

T2B07

22. How can you join a digital repeater's "talkgroup"?

• A. Program your radio with the group's ID or code
• B. Register your radio with the local FCC office
• C. Join the repeater owner's club
• D. Sign your call after the courtesy tone

T8B04

23. What mode of transmission is commonly used by amateur radio satellites?

• A. FM
• B. CW/data
• C. SSB
• D. All these choices are correct

T8D11

24. What is an ARQ transmission system?

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

T6D09

25. What is the name of a device that combines several semiconductors and other components into one package?

• A. Integrated circuit
• B. Transformer
• C. Transducer
• D. Multi-pole relay

T5D11

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

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

T5C03

27. What describes the ability to store energy in a magnetic field?

• A. Resistance
• B. Inductance
• C. Admittance
• D. Capacitance

T8C06

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

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

T6A11

29. Which of the following battery chemistries is not rechargeable?

• A. Carbon-zinc
• B. Nickel-cadmium
• C. Lithium-ion
• D. Lead-acid

T5B12

30. Which is equal to 28400 kHz?

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

T6B01

31. Which is true about forward voltage drop in a diode?

• A. It has no impact on the voltage delivered to the load
• B. It indicates that the diode is defective
• C. It is proportional to peak inverse voltage
• D. It is lower in some diode types than in others

T7A05

32. What is the name of a circuit that generates a signal at a specific frequency?

• A. Low-pass filter
• B. Reactance modulator
• C. Phase modulator
• D. Oscillator

T7D09

33. What is the characteristic appearance of a cold tin-lead solder joint?

• A. A bright or shiny surface
• B. Dark black spots
• C. A rough or lumpy surface
• D. Excessive solder

T0A06

34. What is a good way to guard against electrical shock at your station?

• A. Use three-wire cords and plugs for all AC powered equipment
• B. Install mechanical interlocks in high-voltage circuits
• C. Connect all AC powered station equipment to a common safety ground
• D. All these choices are correct

T1D02

35. Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

• A. International Morse Code Practice
• B. In all circumstances
• C. Broadcasting
• D. Telecommand or transmissions of telemetry