Practice Exam

T0B07

1. Which of the following is an important safety rule to remember when using a crank-up tower?

• A. All these choices are correct
• B. This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
• C. This type of tower must never be painted
• D. This type of tower must never be grounded

T2B08

2. Which of the following applies when two stations transmitting on the same frequency interfere with each other?

• A. The stations should negotiate continued use of the frequency
• B. Both stations should choose another frequency to avoid conflict
• C. Use subaudible tones so both stations can share the frequency
• D. Whichever station was on the frequency first has preemptive rights to the frequency

T1E02

3. Who may be the control operator of a station communicating through an amateur satellite or space station?

• A. A General class or higher licensee with a satellite operator certification
• B. Any amateur allowed to transmit on the satellite uplink frequency
• C. Only an Amateur Extra Class operator who is also an AMSAT member
• D. Only an Amateur Extra Class operator

T6C11

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

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

T6D11

5. Which of the following is a resonant or tuned circuit?

• A. An inductor and a capacitor in series or parallel
• B. A resistor circuit used for reducing standing wave ratio
• C. A linear voltage regulator
• D. A circuit designed to provide high-fidelity audio

T1F11

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

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

T3A11

7. Which region of the atmosphere can reflect HF radio waves?

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

T3C06

8. What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

• A. F2 region refraction
• B. Faraday rotation
• C. D region refraction
• D. Tropospheric ducting

T5D08

9. What is the current through a 100-ohm resistor connected across 200 volts?

• A. 20,000 amperes
• B. 2 amperes
• C. 100 amperes
• D. 0.5 amperes

T8A11

10. What is the approximate bandwidth required to transmit a CW signal?

• A. 1000 Hz
• B. 15 kHz
• C. 150 Hz
• D. 2.4 kHz

T8B01

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

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

T2C11

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

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

T5A07

13. Why are metals generally good conductors of electricity?

• A. They have many free electrons
• B. They have relatively high Young's modulus values
• C. They have relatively high density
• D. They have many free protons

T4A06

14. What signals are used in a computer-radio interface for digital mode operation?

• A. Receive audio, transmit audio, and transmitter keying
• B. Receive and transmit mode, status, and location
• C. Antenna and RF power
• D. NMEA GPS location and DC power

T3B01

15. What is the relationship between the electric and magnetic fields of an electromagnetic wave?

• A. They are at right angles
• B. They are in parallel
• C. They travel at different speeds
• D. They revolve in opposite directions

T5C02

16. What is the unit of capacitance?

• A. Farad
• B. Volt
• C. Ohm
• D. Henry

T7A09

17. What is the function of the switch which selects either SSB or CW-FM on some VHF power amplifiers?

• A. Reduce the received signal noise
• B. Change the mode of the transmitted signal
• C. Set the amplifier for proper operation in the selected mode
• D. Change the frequency range of the amplifier to operate in the proper segment of the band

T8C08

18. 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 technique to connect amateur radio systems, such as repeaters, via the internet
• D. A system for informing amateurs in real time of the frequency of active DX stations

T0A12

19. Which of the following precautions should be taken when measuring high voltages with a voltmeter?

• A. Ensure that the circuit is grounded through the voltmeter
• B. Ensure that the voltmeter and its leads are rated for use at the voltages being measured
• C. Ensure that the voltmeter has very low impedance
• D. Ensure that the voltmeter is set to the correct frequency

T7C02

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

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

T6B10

21. Which of the following can provide power gain?

• A. Resistor
• B. Reactor
• C. Transistor
• D. Transformer

T1A05

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

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

T9B03

23. 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 is less expensive than any other type of feed line
• C. It can handle more power than any other type of feed line
• D. It has less loss than any other type of feed line

T0C13

24. Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

• A. The local zoning board
• B. The FCC
• C. Anyone who is near an antenna
• D. The station licensee

T2A03

25. What is a common repeater frequency offset in the 70-centimeter band?

• A. Plus or minus 600 kHz
• B. Plus or minus 5 MHz
• C. Plus or minus 500 kHz
• D. Plus or minus 1 MHz

T1C03

26. What types of international communications are FCC-licensed amateur radio stations permitted to make?

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

T7D10

27. What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

• A. Alternating between open and short circuit
• B. Steady full-scale reading
• C. Increasing resistance with time
• D. Decreasing resistance with time

T7B09

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

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

T6A07

29. What electrical component is typically constructed as a coil of wire?

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

T1D05

30. When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

• A. When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
• B. Never
• C. When no profit is made on the sale
• D. When selling amateur radio equipment and not on a regular basis

T9A07

31. What is a potential drawback of using a handheld VHF transceiver inside a vehicle that lacks an externally mounted antenna?

• A. The SWR might decrease, decreasing the signal strength
• B. The bandwidth of the antenna will decrease, increasing SWR
• C. Signal strength is reduced due to the shielding effect of the vehicle
• D. The handheld will overheat due to reflected power in the vehicle

T4B02

32. Which of the following can be used to enter a transceiver's operating frequency?

• A. The keypad or VFO knob
• B. The Automatic Frequency Control
• C. The CTCSS or DTMF encoder
• D. All these choices are correct

T5B08

33. Which is equal to 1,000,000 picofarads?

• A. 1 microfarad
• B. 1000 microfarads
• C. 1,000,000,000 microfarads
• D. 0.001 microfarads

T1B06

34. On which HF bands does a Technician class operator have phone privileges?

• A. 30-meter band only
• B. 10-meter band only
• C. 80-meter, 40-meter, 15-meter, and 10-meter bands
• D. None

T8D10

35. Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

• A. Earth-Moon-Earth
• B. Meteor scatter
• C. Weak signal propagation beacons
• D. All these choices are correct