Practice Exam

T6A11

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

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

T7B09

2. What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

• A. Add a preamplifier to the TV antenna input
• B. Add a low-pass filter to the TV antenna input
• C. Add a high-pass filter to the TV antenna input
• D. Be sure all TV feed line coaxial connectors are installed properly

T3A01

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

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

T3B04

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

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

T6D03

5. Which of the following is a reason to use shielded wire?

• A. To increase the current carrying capability of the wire
• B. To couple the wire to other signals
• C. To decrease the resistance of DC power connections
• D. To prevent coupling of unwanted signals to or from the wire

T1B08

6. How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

• A. Digital transmissions are not permitted in those segments
• B. U.S. amateurs must give foreign amateur stations priority in those segments
• C. U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
• D. International communications are not permitted in those segments

T7C01

7. 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 transmitting signals over the air when making tests
• D. To prevent over-modulation of a transmitter

T6C02

8. What is component 1 in figure T-1?

• A. Resistor
• B. Transistor
• C. Connector
• D. Battery

T0A05

9. Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

• A. The larger fuse would be likely to blow because it is rated for higher current
• B. Excessive current could cause a fire
• C. The power supply ripple would greatly increase
• D. All these choices are correct

T6B07

10. What causes a light-emitting diode (LED) to emit light?

• A. Capacitively-coupled RF signal
• B. Inductively-coupled RF signal
• C. Reverse current
• D. Forward current

T5A03

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

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

T1E09

12. Which of the following are required for remote control operation?

• A. The control operator must be at the control point
• B. All these choices are correct
• C. The control operator must indirectly manipulate the controls
• D. A control operator is required at all times

T7A06

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

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

T0C12

14. How does RF radiation differ from ionizing radiation (radioactivity)?

• A. RF radiation is limited in range to a few feet
• B. RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
• C. RF radiation is perfectly safe
• D. RF radiation can only be detected with an RF dosimeter

T2C02

15. 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. All these choices are correct
• C. Call the net to order and direct communications between stations checking in
• D. Choose the regular net meeting time and frequency

T8A03

16. Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

• A. DRM
• B. FM
• C. SSB
• D. PM

T1C03

17. What types of international communications are an FCC-licensed amateur radio station permitted to make?

• A. Only communications incidental to contest exchanges; all other communications are prohibited
• B. Communications incidental to conducting business or remarks of a personal nature
• C. Any communications that would be permitted by an international broadcast station
• D. Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character

T5D13

18. In which type of circuit is DC current the same through all components?

• A. Parallel
• B. Series
• C. Branch
• D. Resonant

T5B02

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

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

T4A08

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

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

T8B04

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

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

T1F06

22. Which of the following self-assigned indicators are acceptable when using a phone transmission?

• A. KL7CC slant W3
• B. KL7CC slash W3
• C. KL7CC stroke W3
• D. All these choices are correct

T9B09

23. What can cause erratic changes in SWR?

• A. Local thunderstorm
• B. Over-modulation
• C. Overload from a strong local station
• D. Loose connection in the antenna or feed line

T4B12

24. What is the result of tuning an FM receiver above or below a signal's frequency?

• A. Sideband inversion
• B. Distortion of the signal's audio
• C. Change in audio pitch
• D. Generation of a heterodyne tone

T1A09

25. Who selects a Frequency Coordinator?

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

T8D06

26. What does the abbreviation "PSK" mean?

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

T9A02

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

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

T5C01

28. What describes the ability to store energy in an electric field?

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

T8C08

29. What is the Internet Radio Linking Project (IRLP)?

• A. A system for providing access to websites via amateur radio
• B. A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
• C. A technique for measuring signal strength of an amateur transmitter via the internet
• D. A system for informing amateurs in real time of the frequency of active DX stations

T7D08

30. Which of the following types of solder should not be used for radio and electronic applications?

• A. Tin-copper solder
• B. Lead-tin solder
• C. Acid-core solder
• D. Rosin-core solder

T2A04

31. What is an appropriate way to call another station on a repeater if you know the other station's call sign?

• A. Say "break, break," then say the station's call sign
• B. Say the station's call sign, then identify with your call sign
• C. Say "CQ" three times, then the other station's call sign
• D. Wait for the station to call CQ, then answer

T3C11

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

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

T0B04

33. Which of the following is an important safety precaution to observe when putting up an antenna tower?

• A. All these choices are correct
• B. Insulate the base of the tower to avoid lightning strikes
• C. Wear a ground strap connected to your wrist at all times
• D. Look for and stay clear of any overhead electrical wires

T1D01

34. With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

• A. Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
• B. Any country banned from making such communications by the American Radio Relay League (ARRL)
• C. Any country banned from such communications by the International Amateur Radio Union (IARU)
• D. Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications

T2B04

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

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