Practice Exam

T7D09

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

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

T1A09

2. Who selects a Frequency Coordinator?

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

T1F03

3. When are you required to transmit your assigned call sign?

• A. At least once during each transmission
• B. At the beginning of each contact, and every 10 minutes thereafter
• C. At least every 10 minutes during and at the end of a communication
• D. At least every 15 minutes during and at the end of a communication

T8D11

4. What is an ARQ transmission system?

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

T8A08

5. What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

• A. 3 kHz
• B. 1 kHz
• C. 6 kHz
• D. 15 kHz

T6D09

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

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

T9A05

7. Which of the following increases the resonant frequency of a dipole antenna?

• A. Shortening it
• B. Adding capacitive loading to the ends of the radiating wires
• C. Lengthening it
• D. Inserting coils in series with radiating wires

T1B07

8. 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. 902.0 MHz to 902.1 MHz
• D. 50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz

T8C08

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

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

T6C11

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

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

T6A09

11. What electrical component is used to protect other circuit components from current overloads?

• A. Thyratron
• B. Fuse
• C. All these choices are correct
• D. Varactor

T3B09

12. What frequency range is referred to as UHF?

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

T5B01

13. How many milliamperes is 1.5 amperes?

• A. 150 milliamperes
• B. 15,000 milliamperes
• C. 15 milliamperes
• D. 1500 milliamperes

T3A11

14. Which region of the atmosphere can refract or bend HF and VHF radio waves?

• A. The ionosphere
• B. The stratosphere
• C. The mesosphere
• D. The troposphere

T4A12

15. What is an electronic keyer?

• A. A device that assists in manual sending of Morse code
• B. A device for voice activated switching from receive to transmit
• C. A device for switching antennas from transmit to receive
• D. An interlock to prevent unauthorized use of a radio

T5A03

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

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

T0C09

17. 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

T3C09

18. What is generally the best time for long-distance 10 meter band propagation via the F region?

• A. From dawn to shortly after sunset during periods of high sunspot activity
• B. From dawn to shortly after sunset during periods of low sunspot activity
• C. From shortly after sunset to dawn during periods of low sunspot activity
• D. From shortly after sunset to dawn during periods of high sunspot activity

T2A08

19. What is the meaning of the procedural signal "CQ"?

• A. Calling any station
• B. Only the called station should transmit
• C. Call on the quarter hour
• D. Test transmission, no reply expected

T1C08

20. What is the normal term for an FCC-issued amateur radio license?

• A. Eight years
• B. Ten years
• C. Life
• D. Five years

T5D10

21. What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

• A. 1.5 volts
• B. 0.25 volts
• C. 2.5 volts
• D. 1 volt

T4B06

22. 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 bandwidth selection
• D. The RIT or Clarifier

T2C10

23. What information is contained in the preamble of a formal traffic message?

• A. Information needed to track the message
• B. The address of the intended recipient
• C. The telephone number of the addressee
• D. The email address of the originating station

T2B07

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

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

T0A09

25. 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. Waterproof them with silicone caulk or electrical tape
• D. Bond them together with heavy wire or conductive strap

T9B07

26. Which of the following is true of PL-259 type coax connectors?

• A. They are a bayonet-type connector
• B. They are commonly used at HF and VHF frequencies
• C. They are watertight
• D. They are preferred for microwave operation

T7A11

27. Where is an RF preamplifier installed?

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

T1E06

28. When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

• A. At no time
• B. As part of a multi-operator contest team
• C. When designated as the control operator by an Amateur Extra Class licensee
• D. When using a club station whose trustee holds an Amateur Extra Class license

T1D08

29. In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

• A. When the communication is made to obtain emergency information for a local broadcast station
• B. All these choices are correct
• C. When the communication is related to the sale of amateur equipment by the control operator's employer
• D. When the communication is incidental to classroom instruction at an educational institution

T6B01

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

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

T5C09

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

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

T8B03

32. 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

T7B10

33. What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

• A. Your transmitter is slightly off frequency
• B. All these choices are correct
• C. Your batteries are running low
• D. You are in a bad location

T0B05

34. What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

• A. Prevent loosening of the turnbuckle from vibration
• B. Provide a ground path for lightning strikes
• C. Secure the guy line if the turnbuckle breaks
• D. Provide an ability to measure for proper tensioning

T7C05

35. Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

• A. To lower the SWR on the transmission line
• B. Because power supplies cannot supply enough current at high SWR
• C. To protect the output amplifier transistors
• D. To comply with FCC rules on spectral purity