Practice Exam

T7A02

1. 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

T6A04

2. What electrical component stores energy in an electric field?

• A. Diode
• B. Inductor
• C. Capacitor
• D. Varistor

T5A05

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

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

T4A08

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

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

T1A06

5. What is the FCC Part 97 definition of a beacon?

• A. A bulletin sent by the FCC to announce a national emergency
• B. A government transmitter marking the amateur radio band edges
• C. A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
• D. An amateur station transmitting communications for the purposes of observing propagation or related experimental activities

T8D09

6. What is CW?

• A. A type of electromagnetic propagation
• B. Another name for a Morse code transmission
• C. A digital mode used primarily on 2 meter FM
• D. A technique for coil winding

T4B07

7. What does a DMR "code plug" contain?

• A. The codec for digitizing audio
• B. Your call sign in CW for automatic identification
• C. The DMR software version
• D. Access information for repeaters and talkgroups

T5D14

8. In which type of circuit is voltage the same across all components?

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

T2B06

9. What type of signaling uses pairs of audio tones?

• A. D-STAR
• B. GPRS
• C. CTCSS
• D. DTMF

T0B03

10. Under what circumstances is it safe to climb a tower without a helper or observer?

• A. When the work being done is not more than 20 feet above the ground
• B. When no electrical work is being performed
• C. Never
• D. When no mechanical work is being performed

T3B02

11. What property of a radio wave defines its polarization?

• A. The orientation of the electric field
• B. The ratio of the velocity to the wavelength
• C. The orientation of the magnetic field
• D. The ratio of the energy in the magnetic field to the energy in the electric field

T6C03

12. What is component 2 in figure T-1?

• A. Connector
• B. Indicator lamp
• C. Resistor
• D. Transistor

T7B04

13. Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

• A. Preamplifier
• B. Low-pass filter
• C. Ferrite choke
• D. Band-pass filter

T1D06

14. What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

• A. Any such language is prohibited
• B. The ITU maintains a list of words that are not permitted to be used on amateur frequencies
• C. There is no such prohibition
• D. The FCC maintains a list of words that are not permitted to be used on amateur frequencies

T8B10

15. What is a LEO satellite?

• A. A sun synchronous satellite
• B. A highly elliptical orbit satellite
• C. A satellite in low earth orbit
• D. A satellite in low energy operation mode

T1B08

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

T1E08

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

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

T2C11

18. What is meant by "check" in a radiogram header?

• A. The number of words or word equivalents in the text portion of the message
• B. The call sign of the originating station
• C. A box on the message form that indicates that the message was received and/or relayed
• D. A list of stations that have relayed the message

T2A06

19. Which of the following is required when making on-the-air test transmissions?

• A. Notify the FCC of the transmissions
• B. Identify the transmitting station
• C. All these choices are correct
• D. Conduct tests only between 10 p.m. and 6 a.m. local time

T3C09

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

T0A07

21. Where should a lightning arrester be installed in a coaxial feed line?

• A. At the antenna feed point
• B. On a grounded panel near where feed lines enter the building
• C. At the ac power service panel
• D. At the output connector of a transceiver

T6B07

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

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

T8C10

23. What is required before using the EchoLink system?

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

T9A04

24. What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

• A. It transmits only circularly polarized signals
• B. All these choices are correct
• C. It has low efficiency
• D. It is mechanically fragile

T1C05

25. Which of the following is a valid Technician class call sign format?

• A. W1XX
• B. KF1XXX
• C. KA1X
• D. All these choices are correct

T7C01

26. What is the primary purpose of a dummy load?

• A. To improve the efficiency of an antenna
• B. To prevent over-modulation of a transmitter
• C. To prevent transmitting signals over the air when making tests
• D. To improve the signal-to-noise ratio of a receiver

T0C09

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

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

T9B03

28. Why is coaxial cable the most common feed line for amateur radio antenna systems?

• A. It is easy to use and requires few special installation considerations
• B. It has less loss than any other type of feed line
• C. It can handle more power than any other type of feed line
• D. It is less expensive than any other type of feed line

T3A07

29. What weather condition might decrease range at microwave frequencies?

• A. Low barometric pressure
• B. High winds
• C. Precipitation
• D. Colder temperatures

T6D05

30. What type of circuit controls the amount of voltage from a power supply?

• A. Regulator
• B. Oscillator
• C. Phase inverter
• D. Filter

T5B06

31. Which is equal to 3000 milliamperes?

• A. 0.003 amperes
• B. 0.3 amperes
• C. 3 amperes
• D. 3,000,000 amperes

T5C06

32. What does the abbreviation "RF" mean?

• A. Radio frequency signals of all types
• B. The real frequency transmitted as opposed to the apparent frequency
• C. Reflective force in antenna transmission lines
• D. The resonant frequency of a tuned circuit

T1F11

33. Which of the following is a requirement for the issuance of a club station license grant?

• A. The club must have at least four members
• B. The club must be registered with the American Radio Relay League
• C. All these choices are correct
• D. The trustee must have an Amateur Extra Class operator license grant

T8A10

34. What is the approximate bandwidth of AM fast-scan TV transmissions?

• A. About 3 MHz
• B. About 6 MHz
• C. About 1 MHz
• D. More than 10 MHz

T7D01

35. Which instrument would you use to measure electric potential?

• A. A wavemeter
• B. An ohmmeter
• C. A voltmeter
• D. An ammeter