Practice Exam

T7C06

1. What does an SWR reading of 4:1 indicate?

• A. Gain of +4 dB
• B. Loss of -4 dB
• C. Impedance mismatch
• D. Good impedance match

T2B07

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

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

T6A07

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

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

T1A01

4. Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

• A. All these choices are correct
• B. Providing communications for international non-profit organizations
• C. Providing personal radio communications for as many citizens as possible
• D. Advancing skills in the technical and communication phases of the radio art

T7B09

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

T9A06

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

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

T8C08

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

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

T7D01

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

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

T8D06

9. What does the abbreviation "PSK" mean?

• A. Phase Shift Keying
• B. Pulse Shift Keying
• C. Packet Short Keying
• D. Phased Slide Keying

T5C02

10. What is the unit of capacitance?

• A. The ohm
• B. The farad
• C. The henry
• D. The volt

T1E11

11. Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

• A. The third party participant
• B. The station custodian
• C. The station licensee
• D. The person operating the station equipment

T4A10

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

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

T3C09

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

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

T4B07

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

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

T1D04

15. Under what conditions is an amateur station authorized to transmit music using a phone emission?

• A. When the music produces no spurious emissions
• B. When transmissions are limited to less than three minutes per hour
• C. When the music is transmitted above 1280 MHz
• D. When incidental to an authorized retransmission of manned spacecraft communications

T8B02

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

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

T3B02

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

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

T5D08

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

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

T0A12

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

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

T1C07

20. Which of the following can result in revocation of the station license or suspension of the operator license?

• A. Failure to obtain FCC type acceptance prior to using a home-built transmitter
• B. Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
• C. Failure to have a copy of your license available at your station
• D. Failure to provide and maintain a correct email address with the FCC

T7A09

21. What is the function of the SSB/CW-FM switch on a VHF power amplifier?

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

T8A06

22. Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

• A. Lower sideband
• B. Inverted sideband
• C. Upper sideband
• D. Suppressed sideband

T6D07

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

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

T2C07

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

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

T1B11

25. What is the maximum peak envelope power output for Technician class operators in their HF band segments?

• A. 10 watts
• B. 100 watts
• C. 50 watts
• D. 200 watts

T9B08

26. Which of the following is a source of loss in coaxial feed line?

• A. High SWR
• B. All these choices are correct
• C. Water intrusion into coaxial connectors
• D. Multiple connectors in the line

T5B03

27. Which is equal to one kilovolt?

• A. One one-thousandth of a volt
• B. One thousand volts
• C. One million volts
• D. One hundred volts

T6B09

28. What are the names for the electrodes of a diode?

• A. Anode and cathode
• B. Source and drain
• C. Plus and minus
• D. Gate and base

T0B04

29. Which of the following is an important safety precaution to observe when putting up an antenna tower?

• A. All these choices are correct
• B. Insulate the base of the tower to avoid lightning strikes
• C. Look for and stay clear of any overhead electrical wires
• D. Wear a ground strap connected to your wrist at all times

T6C04

30. What is component 3 in figure T-1?

• A. Transistor
• B. Ground symbol
• C. Lamp
• D. Resistor

T2A10

31. 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 list of operating schedules
• D. A plan devised by a club to indicate frequency band usage

T5A10

32. Which term describes the rate at which electrical energy is used?

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

T1F08

33. What is the definition of third party communications?

• A. Operation when the transmitting equipment is licensed to a person other than the control operator
• B. A message from a control operator to another amateur station control operator on behalf of another person
• C. Amateur radio communications where three stations are in communications with one another
• D. Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments

T0C06

34. Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

• A. By calculation based on computer modeling
• B. By measurement of field strength using calibrated equipment
• C. By calculation based on FCC OET Bulletin 65
• D. All these choices are correct

T3A02

35. What is the effect of vegetation on UHF and microwave signals?

• A. Polarization rotation
• B. Knife-edge diffraction
• C. Absorption
• D. Amplification