Practice Exam

T8C02

1. Which of these items would be useful for a hidden transmitter hunt?

• A. Calibrated SWR meter
• B. A calibrated noise bridge
• C. A directional antenna
• D. All these choices are correct

T0A06

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

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

T4B01

3. What is the effect of excessive microphone gain on SSB transmissions?

• A. All these choices are correct
• B. Frequency instability
• C. Distorted transmitted audio
• D. Increased SWR

T4A02

4. Which of the following should be considered when selecting an accessory SWR meter?

• A. The distance that the meter will be located from the antenna
• B. The types of modulation being used at the station
• C. All these choices are correct
• D. The frequency and power level at which the measurements will be made

T7C09

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

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

T6D02

6. What is a relay?

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

T8D05

7. Which of the following is an application of APRS?

• A. Providing voice over internet connection between repeaters
• B. Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
• C. Showing automatically the number of packets transmitted via PACTOR during a specific time interval
• D. Providing information on the number of stations signed into a repeater

T6A02

8. What type of component is often used as an adjustable volume control?

• A. Transformer
• B. Fixed resistor
• C. Potentiometer
• D. Power resistor

T6C08

9. What is component 9 in figure T-2?

• A. Variable inductor
• B. Variable resistor
• C. Variable capacitor
• D. Variable transformer

T1E02

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

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

T5D02

11. What formula is used to calculate voltage in a circuit?

• A. E= I x R
• B. E= I + R
• C. E = I - R
• D. E= I / R

T1C07

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

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

T9A09

13. What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

• A. 50
• B. 112
• C. 236
• D. 6

T2B05

14. What would cause your FM transmission audio to be distorted on voice peaks?

• A. You are talking too loudly
• B. Your transmit power is too high
• C. You need to talk louder
• D. Your repeater offset is inverted

T9B02

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

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

T5B09

16. Which decibel value most closely represents a power increase from 5 watts to 10 watts?

• A. 10 dB
• B. 3 dB
• C. 5 dB
• D. 2 dB

T1B01

17. Which of the following frequency ranges are available for phone operation by Technician licensees?

• A. 28.500 MHz to 28.600 MHz
• B. 28.100 MHz to 28.300 MHz
• C. 28.050 MHz to 28.150 MHz
• D. 28.300 MHz to 28.500 MHz

T2A01

18. What is a common repeater frequency offset in the 2 meter band?

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

T5C05

19. What is the unit of impedance?

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

T7D10

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

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

T7B08

21. What should you do if something in a neighbor's home is causing harmful interference to your amateur station?

• A. Make sure your station meets the standards of good amateur practice
• B. Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
• C. All these choices are correct
• D. Work with your neighbor to identify the offending device

T6B07

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

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

T3A09

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

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

T1D03

24. When is it permissible to transmit messages encoded to obscure their meaning?

• A. Only during contests
• B. Never
• C. Only when transmitting control commands to space stations or radio control craft
• D. Only when transmitting certain approved digital codes

T8B12

25. Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

• A. All these choices are correct
• B. Listen for distortion on your downlink signal
• C. Your signal strength on the downlink should be about the same as the beacon
• D. Check your signal strength report in the telemetry data

T1A08

26. Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

• A. Frequency Spectrum Manager appointed by the FCC
• B. International Telecommunication Union
• C. Volunteer Frequency Coordinator recognized by local amateurs
• D. FCC Regional Field Office

T1F07

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

T5A06

28. What is the unit of frequency?

• A. Henry
• B. Tesla
• C. Hertz
• D. Farad

T7A04

29. Which term describes the ability of a receiver to discriminate between multiple signals?

• A. Discrimination ratio
• B. Harmonic distortion
• C. Selectivity
• D. Sensitivity

T0C07

30. What hazard is created by touching an antenna during a transmission?

• A. Electrocution
• B. RF burn to skin
• C. Radiation poisoning
• D. All these choices are correct

T8A12

31. Which of the following is a disadvantage of FM compared with single sideband?

• A. Voice quality is poorer
• B. All these choices are correct
• C. Only one signal can be received at a time
• D. FM signals are harder to tune

T0B02

32. What is required when climbing an antenna tower?

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

T2C08

33. Which of the following is a characteristic of good traffic handling?

• A. All these choices are correct
• B. Making decisions as to whether messages are worthy of relay or delivery
• C. Passing messages exactly as received
• D. Ensuring that any newsworthy messages are relayed to the news media

T3C04

34. Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

• A. Gray-line propagation
• B. Sporadic E
• C. D region absorption
• D. Backscatter

T3B11

35. What is the approximate velocity of a radio wave in free space?

• A. 150,000 meters per second
• B. 150,000 miles per hour
• C. 300,000,000 miles per hour
• D. 300,000,000 meters per second