Practice Exam

T7D08

1. 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. Rosin-core solder
• D. Acid-core solder

T0B01

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

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

T3A05

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

T4A03

4. Why are short, heavy-gauge wires used for a transceiver's DC power connection?

• A. All these choices are correct
• B. To minimize voltage drop when transmitting
• C. To avoid RF interference
• D. To provide a good counterpoise for the antenna

T2B02

5. What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

• A. CTCSS
• B. DTMF
• C. Carrier squelch
• D. Tone burst

T6D07

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

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

T1A05

7. What proves that the FCC has issued an operator/primary license grant?

• A. The license appears in the FCC ULS database
• B. All these choices are correct
• C. An email notification from the NCVEC granting the license
• D. A printed copy of the certificate of successful completion of examination

T8D03

8. What kind of data can be transmitted by APRS?

• A. All these choices are correct
• B. GPS position data
• C. Text messages
• D. Weather data

T1C06

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

• A. From within any country that belongs to the International Telecommunication Union
• 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 is a member of the United Nations

T0A09

10. What should be done to all external ground rods or earth connections?

• A. Keep them as far apart as possible
• B. Tune them for resonance on the lowest frequency of operation
• C. Bond them together with heavy wire or conductive strap
• D. Waterproof them with silicone caulk or electrical tape

T1B08

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

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

T8B01

12. What telemetry information is typically transmitted by satellite beacons?

• A. Health and status of the satellite
• B. The signal strength of received signals
• C. Time of day accurate to plus or minus 1/10 second
• D. All these choices are correct

T6A10

13. Which of the following battery chemistries is rechargeable?

• A. All these choices are correct
• B. Nickel-metal hydride
• C. Lead-acid
• D. Lithium-ion

T6C11

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

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

T7B06

15. 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. 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
• B. Immediately turn off your transmitter and contact the nearest FCC office for assistance
• C. All these choices are correct
• D. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated

T1E08

16. Which of the following is an example of automatic control?

• A. Repeater operation
• B. Using a computer or other device to send CW automatically
• C. Controlling a station over the internet
• D. Using a computer or other device to identify automatically

T1D11

17. When may an amateur station transmit without identifying on the air?

• A. When transmitting signals to control model craft
• B. When the transmissions are of a brief nature to make station adjustments
• C. When the transmissions are unmodulated
• D. When the transmitted power level is below 1 watt

T5D07

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

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

T5C09

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

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

T8C10

20. What is required before using the EchoLink system?

• A. Complete the required EchoLink training
• B. All these choices are correct
• C. Purchase a license to use the EchoLink software
• D. Register your call sign and provide proof of license

T7A11

21. Where is an RF preamplifier installed?

• A. At the output of the transmitter power amplifier
• B. Between the transmitter and the antenna tuner
• C. Between the antenna and receiver
• D. At the output of the receiver audio amplifier

T3B09

22. What frequency range is referred to as UHF?

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

T7C02

23. Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

• A. A Q meter
• B. An antenna analyzer
• C. A frequency counter
• D. A VTVM

T3C03

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

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

T9A06

25. Which of the following types of antenna offers the greatest gain?

• A. Yagi
• B. J pole
• C. Isotropic
• D. 5/8 wave vertical

T8A02

26. What type of modulation is commonly used for VHF packet radio transmissions?

• A. FM or PM
• B. AM
• C. PSK
• D. SSB

T1F01

27. When must the station and its records be available for FCC inspection?

• A. At any time ten days after notification by the FCC of such an inspection
• B. At any time after written notification by the FCC of such inspection
• C. Only when presented with a valid warrant by an FCC official or government agent
• D. At any time upon request by an FCC representative

T4B10

28. Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

• A. 1000 Hz
• B. 500 Hz
• C. 2400 Hz
• D. 5000 Hz

T6B06

29. How is the cathode lead of a semiconductor diode often marked on the package?

• A. With the word "cathode"
• B. With the letter C
• C. With a stripe
• D. With the letter K

T0C09

30. How can you make sure your station stays in compliance with RF safety regulations?

• A. By re-evaluating the station whenever an item in the transmitter or antenna system is changed
• B. By making sure your antennas have low SWR
• C. All these choices are correct
• D. By informing the FCC of any changes made in your station

T5B02

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

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

T5A07

32. Why are metals generally good conductors of electricity?

• A. They have relatively high density
• B. They have many free protons
• C. All these choices are correct
• D. They have many free electrons

T2A12

33. What should you do before calling CQ?

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

T9B02

34. What is the most common impedance of coaxial cables used in amateur radio?

• A. 50 ohms
• B. 600 ohms
• C. 12 ohms
• D. 8 ohms

T2C07

35. Which of the following is standard practice when you participate in a net?

• A. All these choices are correct
• B. Unless you are reporting an emergency, transmit only when directed by the net control station
• C. When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
• D. Record the time of each of your transmissions