Practice Exam

T1E03

1. Who must designate the station control operator?

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

T6B03

2. Which of these components can be used as an electronic switch?

• A. Thermistor
• B. Potentiometer
• C. Varistor
• D. Transistor

T0A03

3. In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

• A. Black insulation is never used
• B. Equipment ground
• C. Neutral
• D. Hot

T7A01

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

• A. Total Harmonic Distortion
• B. Sensitivity
• C. Linearity
• D. Selectivity

T1B05

5. How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

• A. Emergency traffic only
• B. Fixed digital message forwarding systems only
• C. Spread spectrum only
• D. Fast-scan television only

T4B11

6. Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

• A. All these choices are correct
• B. Your output power
• C. The codec type being used
• D. Your call sign

T5C04

7. What is the unit of inductance?

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

T8A05

8. Which of the following types of signal has the narrowest bandwidth?

• A. CW
• B. SSB voice
• C. FM voice
• D. Slow-scan TV

T1A09

9. Who selects a Frequency Coordinator?

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

T5D02

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

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

T1D07

11. What types of amateur stations can automatically retransmit the signals of other amateur stations?

• A. Beacon, repeater, or space stations
• B. Earth, repeater, or space stations
• C. Repeater, auxiliary, or space stations
• D. Auxiliary, beacon, or Earth stations

T3C08

12. What causes tropospheric ducting?

• A. Discharges of lightning during electrical storms
• B. Sunspots and solar flares
• C. Updrafts from hurricanes and tornadoes
• D. Temperature inversions in the atmosphere

T2B05

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

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

T0B01

14. 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. Ensure that connections are short and direct
• C. Put a drip loop in the ground connection to prevent water damage to the ground system
• D. All these choices are correct

T6C09

15. What is component 4 in figure T-2?

• A. Double-pole switch
• B. Transformer
• C. Variable inductor
• D. Potentiometer

T6A11

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

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

T7C10

17. Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

• A. Ultraviolet light can damage the jacket and allow water to enter the cable
• B. Ultraviolet resistant jackets prevent harmonic radiation
• C. Ultraviolet light can increase losses in the cable's jacket
• D. Ultraviolet and RF signals can mix, causing interference

T8B09

18. What causes spin fading of satellite signals?

• A. Interfering signals within the satellite uplink band
• B. Circular polarized noise interference radiated from the sun
• C. Doppler shift of the received signal
• D. Rotation of the satellite and its antennas

T1F09

19. What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

• A. Beacon station
• B. Earth station
• C. Repeater station
• D. Message forwarding station

T8D11

20. What is an ARQ transmission system?

• A. A system used to encrypt command signals to an amateur radio satellite
• B. A special transmission format limited to video signals
• C. An error correction method in which the receiving station detects errors and sends a request for retransmission
• D. A method of compressing data using autonomous reiterative Q codes prior to final encoding

T0C04

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

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

T5A12

22. What describes the number of times per second that an alternating current makes a complete cycle?

• A. Wavelength
• B. Pulse rate
• C. Frequency
• D. Speed

T7B08

23. 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. Work with your neighbor to identify the offending device
• D. All these choices are correct

T2A09

24. Which of the following indicates that a station is listening on a repeater and looking for a contact?

• A. The repeater call sign followed by the station's call sign
• B. "CQ CQ" followed by the repeater's call sign
• C. The station's call sign followed by the word "monitoring"
• D. "QSY" followed by your call sign

T9A02

25. Which of the following describes a type of antenna loading?

• A. Electrically lengthening by inserting inductors in radiating elements
• B. Inserting a resistor in the radiating portion of the antenna to make it resonant
• C. Installing a spring in the base of a mobile vertical antenna to make it more flexible
• D. Strengthening the radiating elements of a beam antenna to better resist wind damage

T3A01

26. Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

• A. Multipath propagation cancels or reinforces signals
• B. VHF ionospheric propagation is very sensitive to path length
• C. All these choices are correct
• D. The signal path encounters different concentrations of water vapor

T1C07

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

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

T9B03

28. Why is coaxial cable the most common feed line for amateur radio antenna systems?

• A. It is less expensive than any other type of feed line
• B. It is easy to use and requires few special installation considerations
• C. It has less loss than any other type of feed line
• D. It can handle more power than any other type of feed line

T3B08

29. What frequency range is referred to as VHF?

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

T5B07

30. Which is equal to 3.525 MHz?

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

T4A05

31. Where should an RF power meter be installed?

• A. In parallel with the push-to-talk line and the antenna
• B. In the power supply cable, as close as possible to the radio
• C. In the feed line, between the transmitter and antenna
• D. At the power supply output

T6D02

32. What is a relay?

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

T7D01

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

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

T2C05

34. What does the term "traffic" refer to in net operation?

• A. Messages exchanged by net stations
• B. The number of stations checking in and out of a net
• C. Requests to activate the net by a served agency
• D. Operation by mobile or portable stations

T8C06

35. How is over the air access to IRLP nodes accomplished?

• A. By obtaining a password that is sent via voice to the node
• B. By using DTMF signals
• C. By using CTCSS tone codes
• D. By entering the proper internet password