Practice Exam

T8B12

1. 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. Check your signal strength report in the telemetry data
• C. Listen for distortion on your downlink signal
• D. Your signal strength on the downlink should be about the same as the beacon

T8D03

2. What kind of data can be transmitted by APRS?

• A. GPS position data
• B. Weather data
• C. Text messages
• D. All these choices are correct

T5B13

3. Which is equal to 2425 MHz?

• A. 2.425 GHz
• B. 2425 GHz
• C. 0.002425 GHz
• D. 24.25 GHz

T6B06

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

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

T3B05

5. What is the relationship between wavelength and frequency?

• A. Wavelength gets shorter as frequency increases
• B. Wavelength and frequency increase as path length increases
• C. Wavelength gets longer as frequency increases
• D. Wavelength and frequency are unrelated

T2C08

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

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

T2A11

7. What term describes an amateur station that is transmitting and receiving on the same frequency?

• A. Full duplex
• B. Simplex
• C. Diplex
• D. Multiplex

T0C05

8. Why do exposure limits vary with frequency?

• A. Lower frequency RF fields have more energy than higher frequency fields
• B. The human body absorbs more RF energy at some frequencies than at others
• C. Lower frequency RF fields do not penetrate the human body
• D. Higher frequency RF fields are transient in nature

T9B02

9. 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

T1F05

10. What method of call sign identification is required for a station transmitting phone signals?

• A. Send the call sign followed by the indicator RPT
• B. Send the call sign using only a phone emission
• C. Send the call sign using a CW or phone emission
• D. Send the call sign followed by the indicator R

T7C08

11. Which instrument can be used to determine SWR?

• A. Directional wattmeter
• B. Voltmeter
• C. Ohmmeter
• D. Iambic pentameter

T7A05

12. What is the name of a circuit that generates a signal at a specific frequency?

• A. Low-pass filter
• B. Phase modulator
• C. Oscillator
• D. Reactance modulator

T4A02

13. 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. The frequency and power level at which the measurements will be made
• D. All these choices are correct

T3A10

14. What effect does multi-path propagation have on data transmissions?

• A. Error rates are likely to increase
• B. No significant changes will occur if the signals are transmitted using FM
• C. Transmission rates must be increased by a factor equal to the number of separate paths observed
• D. Transmission rates must be decreased by a factor equal to the number of separate paths observed

T4B02

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

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

T6C12

16. Which of the following is accurately represented in electrical schematics?

• A. Component connections
• B. Physical appearance of components
• C. All these choices are correct
• D. Wire lengths

T1A04

17. How many operator/primary station license grants may be held by any one person?

• A. One for each band on which the person plans to operate
• B. One for each permanent station location from which the person plans to operate
• C. No more than two
• D. One

T8A02

18. What type of modulation is commonly used for VHF packet radio transmissions?

• A. FM or PM
• B. PSK
• C. SSB
• D. AM

T1E03

19. Who must designate the station control operator?

• A. The FCC
• B. The station licensee
• C. Any licensed operator
• D. The frequency coordinator

T5A11

20. What type of current flow is opposed by resistance?

• A. RF current
• B. All these choices are correct
• C. Direct current
• D. Alternating current

T3C06

21. 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. D region refraction
• C. Tropospheric ducting
• D. Faraday rotation

T6A10

22. Which of the following battery chemistries is rechargeable?

• A. Lithium-ion
• B. All these choices are correct
• C. Lead-acid
• D. Nickel-metal hydride

T1B02

23. Which amateurs may contact the International Space Station (ISS) on VHF bands?

• A. Any amateur holding a Technician class or higher license who has applied for and received approval from NASA
• B. Any amateur holding a Technician class or higher license
• C. Any amateur holding a General class or higher license who has applied for and received approval from NASA
• D. Any amateur holding a General class or higher license

T1C10

24. How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

• A. As soon as you receive your license in the mail from the FCC
• B. As soon as your operator/station license grant appears on the ARRL website
• C. As soon as your operator/station license grant appears in the FCC's license database
• D. Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)

T9A12

25. What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

• A. It has 10 times the power gain of a 1/4 wavelength whip
• B. It radiates at a very high angle
• C. It eliminates distortion caused by reflected signals
• D. It has more gain than a 1/4-wavelength antenna

T5D01

26. What formula is used to calculate current in a circuit?

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

T0B01

27. Which of the following is good practice when installing ground wires on a tower for lightning protection?

• A. Make sure all ground wire bends are right angles
• B. Put a drip loop in the ground connection to prevent water damage to the ground system
• C. All these choices are correct
• D. Ensure that connections are short and direct

T7D02

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

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

T5C04

29. What is the unit of inductance?

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

T2B11

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

• A. QRU
• B. QSY
• C. QRZ
• D. QSL

T0A11

31. What hazard exists in a power supply immediately after turning it off?

• A. Leakage flux in the power transformer
• B. Voltage transients from kickback diodes
• C. Charge stored in filter capacitors
• D. Circulating currents in the dc filter

T6D11

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

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

T8C01

33. Which of the following methods is used to locate sources of noise interference or jamming?

• A. Echolocation
• B. Phase locking
• C. Radio direction finding
• D. Doppler radar

T7B04

34. 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. Ferrite choke
• C. Band-pass filter
• D. Low-pass filter

T1D02

35. Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

• A. International Morse Code Practice
• B. In all circumstances
• C. Telecommand or transmissions of telemetry
• D. Broadcasting