Practice Exam

T0C04

1. What factors affect the RF exposure of people near an amateur station antenna?

• A. Distance from the antenna to a person
• B. All these choices are correct
• C. Radiation pattern of the antenna
• D. Frequency and power level of the RF field

T6A11

2. Which of the following battery chemistries is not rechargeable?

• A. Lead-acid
• B. Nickel-cadmium
• C. Lithium-ion
• D. Carbon-zinc

T7D03

3. When configured to measure current, how is a multimeter connected to a component?

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

T8B10

4. What does the term LEO mean in reference to communication satellites?

• A. Low Energy Orbit, which conserves battery power
• B. Low Equilibrium Orbit, which has a slightly unstable period
• C. Low Elevation Orbit, which appears close to the horizon from the earth station
• D. Low Earth Orbit, which has a period of around 100 minutes

T2A01

5. 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 5 MHz
• D. Plus or minus 500 kHz

T5C11

6. How much current is required to deliver 120 watts at a voltage of 12 volts DC?

• A. 10 amperes
• B. 0.1 amperes
• C. 132 amperes
• D. 12 amperes

T4A07

7. Which of the following is one of the connections required between a computer and a transceiver to operate digital modes?

• A. Computer "line out" to transceiver speaker connector
• B. Computer "line in" to transceiver speaker connector
• C. Computer "line in" to transceiver push-to-talk
• D. Computer "line out" to transceiver push-to-talk

T5D14

8. In which type of circuit is the voltage always the same across all components?

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

T2C02

9. Which of the following are typical duties of a Net Control Station?

• A. Call the net to order and direct communications between stations checking in
• B. All these choices are correct
• C. Choose the regular net meeting time and frequency
• D. Ensure that all stations checking into the net are properly licensed for operation on the net frequency

T5A11

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

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

T7C07

11. What happens to power lost in a feed line?

• A. It increases the SWR
• B. It distorts the signal
• C. It is converted into heat
• D. It is radiated as harmonics

T6B02

12. What electronic component allows current to flow in only one direction?

• A. Resistor
• B. Diode
• C. Fuse
• D. Driven element

T7A01

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

• A. Selectivity
• B. RF gain
• C. Sensitivity
• D. Total Harmonic Distortion

T8A10

14. What is the approximate bandwidth of AM fast-scan TV transmissions?

• A. About 3 MHz
• B. About 6 MHz
• C. About 1 MHz
• D. More than 10 MHz

T6D02

15. What is a relay?

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

T9B01

16. Which of the following connectors should be carefully taped for weather protection when used outdoors?

• A. BNC
• B. Type N
• C. All these choices are correct
• D. PL259

T6C08

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

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

T1F04

18. What language must you use for identification when using a phone emission?

• A. Any language recognized by the United Nations
• B. Any language recognized by the ITU
• C. English
• D. English, French, or Spanish

T3A10

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

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

T8C11

20. What is an amateur radio station that connects other amateur stations to the internet?

• A. A repeater
• B. A beacon
• C. A gateway
• D. A digipeater

T3B01

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

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

T2B02

22. What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

• A. Tone burst
• B. CTCSS
• C. DTMF
• D. Carrier squelch

T3C04

23. 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. Backscatter
• C. Sporadic E
• D. D region absorption

T1C04

24. What may happen if the FCC is unable to reach you by email?

• A. Nothing; there is no such requirement
• B. Revocation of access to the license record in the FCC system
• C. Revocation of the station license or suspension of the operator license
• D. Fine and suspension of operator license

T8D01

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

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

T9A04

26. What is a disadvantage of a handheld radio transceiver's short flexible antenna compared to a full-sized quarter- wave antenna?

• A. It transmits only circularly polarized signals
• B. It is more susceptible to receiver desensitization
• C. It only works on analog signals, not digital ones
• D. It has low efficiency

T1D04

27. 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 incidental to an authorized retransmission of manned spacecraft communications
• C. When transmissions are limited to less than three minutes per hour
• D. When the music is transmitted above 1280 MHz

T0B01

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

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

T1A05

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

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

T1B08

30. How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

• A. U.S. amateurs must give foreign amateur stations priority in those segments
• B. Digital transmissions are not permitted in those segments
• C. International communications are not permitted in those segments
• D. U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them

T1E03

31. Who must designate the station control operator?

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

T5B07

32. Which is equal to 3.525 MHz?

• A. 3525 kHz
• B. 3,525,000 kHz
• C. 0.003525 kHz
• D. 35.25 kHz

T7B03

33. Which of the following can cause radio frequency interference?

• A. Fundamental overload
• B. All these choices are correct
• C. Spurious emissions
• D. Harmonics

T4B06

34. Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

• A. The AGC or limiter
• B. The tone squelch
• C. The RIT or Clarifier
• D. The bandwidth selection

T0A10

35. What hazard exists when rapidly charging or discharging an unprotected battery?

• A. Electric shock
• B. Overvoltage
• C. Overheating or out-gassing
• D. Excess output ripple