Practice Exam

T8C05

1. What is a grid locator?

• A. An instrument for radio direction finding
• B. A letter-number designator assigned to a geographic location
• C. A letter-number designator assigned to an azimuth and elevation
• D. An instrument for neutralizing a final amplifier

T0A06

2. What is a good way to guard against electrical shock at your station?

• A. Install mechanical interlocks in high-voltage circuits
• B. All these choices are correct
• C. Connect all AC powered station equipment to a common safety ground
• D. Use three-wire cords and plugs for all AC powered equipment

T4B07

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

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

T3C10

4. Which of the following bands may provide long-distance communications via the ionosphere's F region during the peak of the sunspot cycle?

• A. 23 centimeters
• B. 6 and 10 meters
• C. All these choices are correct
• D. 70 centimeters and 1.25 meters

T7A01

5. Which term describes the ability of a receiver to detect the presence of a signal?

• A. Total Harmonic Distortion
• B. Linearity
• C. Sensitivity
• D. Selectivity

T6D02

6. What is a relay?

• A. A pass transistor
• B. A current controlled amplifier
• C. An electrically-controlled switch
• D. An inverting amplifier

T8D01

7. Which of the following is a digital communications mode?

• A. Packet radio
• B. All these choices are correct
• C. IEEE 802.11
• D. FT8

T5C05

8. What is the unit of impedance?

• A. The ampere
• B. The coulomb
• C. The volt
• D. The ohm

T1C11

9. If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

• A. No, you must wait until the license has been renewed
• B. Yes, as soon as you apply for renewal
• C. Yes, for up to two years
• D. Yes, for up to one year

T2B11

10. Which Q signal indicates that you are changing frequency?

• A. QSL
• B. QRU
• C. QRZ
• D. QSY

T1E07

11. When the control operator is not the station licensee, who is responsible for the proper operation of the station?

• A. Only the station licensee
• B. All licensed amateurs who are present at the operation
• C. Only the control operator
• D. The control operator and the station licensee

T6B06

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

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

T3A09

13. Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

• A. Both the transmitting and receiving antennas must be of the same polarization
• B. Digital modes are unusable
• C. FM voice is unusable
• D. Either vertically or horizontally polarized antennas may be used for transmission or reception

T4A10

14. What function is performed with a transceiver and a digital mode hot spot?

• A. Communication using digital voice or data systems via the internet
• B. High-speed digital communications for meteor scatter
• C. RTTY encoding and decoding without a computer
• D. FT8 digital communications via AFSK

T9B02

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

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

T0C13

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

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

T8B02

17. What is the impact of using excessive effective radiated power on a satellite uplink?

• A. Overloading the satellite batteries
• B. Possibility of rebooting the satellite control computer
• C. Possibility of commanding the satellite to an improper mode
• D. Blocking access by other users

T1A02

18. Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

• A. All these choices are correct
• B. Homeland Security
• C. FEMA
• D. The FCC

T8A03

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

• A. PM
• B. DRM
• C. SSB
• D. FM

T9A02

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

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

T1F07

21. Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

• A. The licensed control operator must do the station identification
• B. All these choices are correct
• C. The person must be a U.S. citizen
• D. The foreign station must be in a country with which the U.S. has a third party agreement

T5B10

22. Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

• A. -9 dB
• B. -6 dB
• C. -3 dB
• D. -1 dB

T5A09

23. Which of the following describes alternating current?

• A. All these answers are correct
• B. Current that alternates between a negative direction and zero
• C. Current that alternates between positive and negative directions
• D. Current that alternates between a positive direction and zero

T1D01

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

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

T6C06

25. What is component 6 in figure T-2?

• A. Transistor
• B. Capacitor
• C. Resistor
• D. Regulator IC

T1B12

26. Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

• A. 1500 watts
• B. 50 watts
• C. 500 watts
• D. 100 watts

T5D13

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

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

T2A10

28. What is a band plan, beyond the privileges established by the FCC?

• A. A list of available net frequencies
• B. A voluntary guideline for using different modes or activities within an amateur band
• C. A plan devised by a club to indicate frequency band usage
• D. A list of operating schedules

T2C07

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

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

T3B07

30. In addition to frequency, which of the following is used to identify amateur radio bands?

• A. Channel numbers
• B. Traditional letter/number designators
• C. All these choices are correct
• D. The approximate wavelength in meters

T7D02

31. How is a voltmeter connected to a component to measure applied voltage?

• A. In parallel
• B. In series
• C. In phase
• D. In quadrature

T6A05

32. What type of electrical component consists of conductive surfaces separated by an insulator?

• A. Oscillator
• B. Resistor
• C. Capacitor
• D. Potentiometer

T7B07

33. Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

• A. Installing a band-reject filter
• B. Installing an RF preamplifier
• C. Installing bypass capacitors on the microphone cable
• D. Using double-shielded coaxial cable

T7C09

34. Which of the following causes failure of coaxial cables?

• A. Moisture contamination
• B. Operation at 100% duty cycle for an extended period
• C. Rapid fluctuation in transmitter output power
• D. Solder flux contamination

T0B02

35. What is required when climbing an antenna tower?

• A. Always wear an approved climbing harness
• B. Use appropriate tie-off to the tower at all times
• C. Have sufficient training on safe tower climbing techniques
• D. All these choices are correct