Practice Exam

T3A02

1. How does vegetation affect UHF and microwave signals?

• A. Absorbs signals, leading to poor reception of weak signals
• B. Has no effect
• C. Amplifies signals, improving reception of weak signals
• D. Causes knife-edge diffraction, distorting voice peaks

T5C12

2. What is impedance?

• A. The inverse of reactance
• B. The power handling capability of a component
• C. The inverse of resistance
• D. The opposition to AC current flow

T1E08

3. Which of the following is an example of automatic control?

• A. Repeater operation
• B. Controlling a station over the internet
• C. Using a computer or other device to identify automatically
• D. Using a computer or other device to send CW automatically

T5A01

4. Electrical current is measured in which of the following units?

• A. Watts
• B. Amperes
• C. Ohms
• D. Volts

T4B01

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

• A. Distorted transmitted audio
• B. Sideband inversion
• C. Frequency instability
• D. Increased SWR

T2A02

6. What is the national calling frequency for FM simplex operations in the 2-meter band?

• A. 446.000 MHz
• B. 145.000 MHz
• C. 432.100 MHz
• D. 146.520 MHz

T5D10

7. What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

• A. 1 volt
• B. 0.25 volts
• C. 2.5 volts
• D. 1.5 volts

T6D05

8. What type of circuit controls the amount of voltage from a power supply?

• A. Oscillator
• B. Phase inverter
• C. Filter
• D. Regulator

T7B03

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

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

T8C11

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

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

T2C01

11. When do the FCC Part 97 Amateur Radio Service rules NOT apply to the operation of an amateur station?

• A. When operating under RACES rules
• B. When operating under FEMA rules
• C. FCC rules always apply
• D. When operating under ARES rules

T2B07

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

• A. Register with the local Frequency Coordinator
• B. Register with the digital repeater control operator
• C. Program your radio with the group's ID or code
• D. Program your radio with the DTMF tone used by the talkgroup

T8D10

13. Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

• A. Weak signal propagation beacons
• B. Meteor scatter
• C. All these choices are correct
• D. Earth-Moon-Earth

T3C10

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

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

T7D03

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

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

T6B10

16. Which of the following can provide power gain?

• A. Reactor
• B. Transformer
• C. Resistor
• D. Transistor

T0A07

17. Where should a lightning arrester be installed in a coaxial feed line?

• A. At the antenna feed point
• B. At the AC power service panel
• C. At the output connector of a transceiver
• D. On a grounded panel near where feed lines enter the building

T1A09

18. Who selects a Frequency Coordinator?

• A. The FCC Office of Spectrum Management and Coordination Policy
• B. The FCC Regional Field Office
• C. Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
• D. The local chapter of the Office of National Council of Independent Frequency Coordinators

T8B04

19. What mode of transmission is commonly used by amateur radio satellites?

• A. All these choices are correct
• B. CW/data
• C. SSB
• D. FM

T6C05

20. What is component 4 in figure T-1?

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

T6A03

21. What electrical parameter is controlled by a potentiometer?

• A. Capacitance
• B. Resistance
• C. Inductance
• D. Field strength

T5B04

22. Which is equal to one microvolt?

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

T1B02

23. Which of the following U.S. amateur radio operators are allowed to contact the International Space Station (ISS) on VHF bands?

• A. Any amateurs with a Technician class or higher license, and NASA approval
• B. Only amateurs with a General class or higher license
• C. Only amateurs with a General class or higher license, and NASA approval
• D. Any amateur with a Technician class or higher license

T8A02

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

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

T0C13

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

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

T4A08

26. Which of the following conductors is preferred for bonding at RF?

• A. Copper-clad steel wire
• B. Copper braid removed from coaxial cable
• C. Flat copper strap
• D. Twisted-pair cable

T1F01

27. When must the station licensee make the station and the station records available for inspection?

• A. Only when presented with a valid warrant by an FCC official or government agent
• B. At any time upon request by an FCC representative
• C. At any time after a written notification by the FCC of such inspection
• D. At any time ten days after notification by the FCC of such an inspection

T7A08

28. Which of the following describes combining speech with an RF carrier signal?

• A. Oscillation
• B. Low-pass filtering
• C. Modulation
• D. Impedance matching

T1D06

29. What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

• A. The International Telecommunications Union (ITU) maintains a list of words that are not permitted to be used on amateur frequencies
• B. Any such language is prohibited
• C. There is no such prohibition
• D. The FCC maintains a list of words that are not permitted to be used on amateur frequencies

T0B10

30. Which of the following is true when installing grounding conductors used for lightning protection?

• A. Use only non-insulated wire
• B. Wires must be carefully routed with precise right-angle bends
• C. Sharp bends must be avoided
• D. Common grounds must be avoided

T3B09

31. What frequency range is referred to as UHF?

• A. 30 to 300 kHz
• B. 300 to 3000 kHz
• C. 30 to 300 MHz
• D. 300 to 3000 MHz

T9A09

32. What is an advantage of a 5/8-wavelength whip antenna for VHF or UHF mobile service compared to a 1/4-wave antenna?

• A. It radiates at a higher angle
• B. It has lower SWR
• C. It has more gain
• D. It has lower impedance

T7C09

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

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

T9B09

34. What can cause erratic changes in SWR?

• A. Local thunderstorm
• B. Over-modulation
• C. Loose connection in the antenna or feed line
• D. Overload from a strong local station

T1C04

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

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