Practice Exam

T9A02

1. 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

T1B05

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

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

T1E01

3. When may an amateur station transmit without a control operator?

• A. Never
• B. When the station licensee is away and another licensed amateur is using the station
• C. When the transmitting station is an auxiliary station
• D. When using automatic control, such as in the case of a repeater

T4B07

4. What does a DMR "code plug" contain?

• A. Access information for repeaters and talkgroups
• B. Your call sign in CW for automatic identification
• C. The DMR software version
• D. The codec for digitizing audio

T7A06

5. What device converts the RF input and output of a transceiver to another band?

• A. Transverter
• B. Phase converter
• C. High-pass filter
• D. Low-pass filter

T1A03

6. What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

• A. All these choices are correct
• B. It is required when transmitting emergency messages
• C. It is encouraged
• D. It is required when in contact with foreign stations

T2A05

7. How should you respond to a station calling CQ?

• A. Transmit the other station's call sign followed by your call sign
• B. Transmit a signal report followed by your call sign
• C. Transmit your call sign followed by the other station's call sign
• D. Transmit "CQ" followed by the other station's call sign

T8A09

8. What is the approximate bandwidth of a VHF repeater FM voice signal?

• A. Less than 500 Hz
• B. Between 50 and 125 kHz
• C. Between 10 and 15 kHz
• D. About 150 kHz

T7C01

9. What is the primary purpose of a dummy load?

• A. To prevent over-modulation of a transmitter
• B. To prevent transmitting signals over the air when making tests
• C. To improve the signal-to-noise ratio of a receiver
• D. To improve the efficiency of an antenna

T5D01

10. 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

T1F03

11. When are you required to transmit your assigned call sign?

• A. At least every 15 minutes during and at the end of a communication
• B. At least once during each transmission
• C. At least every 10 minutes during and at the end of a communication
• D. At the beginning of each contact, and every 10 minutes thereafter

T3B03

12. What are the two components of a radio wave?

• A. Impedance and reactance
• B. Electric and magnetic fields
• C. Voltage and current
• D. Ionizing and non-ionizing radiation

T7B06

13. Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?

• A. All these choices are correct
• B. Immediately turn off your transmitter and contact the nearest FCC office for assistance
• C. Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
• D. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated

T3A08

14. What is a likely cause of irregular fading of signals propagated by the ionosphere?

• A. Random combining of signals arriving via different paths
• B. Frequency shift due to Faraday rotation
• C. Intermodulation distortion
• D. Interference from thunderstorms

T6A05

15. What type of electrical component consists of conductive surfaces separated by an insulator?

• A. Potentiometer
• B. Resistor
• C. Oscillator
• D. Capacitor

T8D07

16. Which of the following describes DMR?

• A. A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
• B. A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
• C. An automatic position tracking mode for FM mobiles communicating through repeaters
• D. An automatic computer logging technique for hands-off logging when communicating while operating a vehicle

T5C12

17. What is impedance?

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

T0C13

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

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

T7D04

19. Which instrument is used to measure electric current?

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

T8B10

20. What is a LEO satellite?

• A. A highly elliptical orbit satellite
• B. A satellite in low earth orbit
• C. A satellite in low energy operation mode
• D. A sun synchronous satellite

T4A06

21. What signals are used in a computer-radio interface for digital mode operation?

• A. NMEA GPS location and DC power
• B. Receive and transmit mode, status, and location
• C. Antenna and RF power
• D. Receive audio, transmit audio, and transmitter keying

T6C04

22. What is component 3 in figure T-1?

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

T6B11

23. What is the term that describes a device's ability to amplify a signal?

• A. Gain
• B. Forward resistance
• C. On resistance
• D. Forward voltage drop

T5B06

24. Which is equal to 3000 milliamperes?

• A. 3,000,000 amperes
• B. 0.003 amperes
• C. 0.3 amperes
• D. 3 amperes

T9B06

25. Which of the following RF connector types is most suitable for frequencies above 400 MHz?

• A. RS-213
• B. Type N
• C. UHF (PL-259/SO-239)
• D. DB-25

T8C10

26. What is required before using the EchoLink system?

• A. Purchase a license to use the EchoLink software
• B. Register your call sign and provide proof of license
• C. Complete the required EchoLink training
• D. All these choices are correct

T2B04

27. Which of the following could be the reason you are unable to access a repeater whose output you can hear?

• A. You are using the wrong CTCSS tone
• B. You are using the wrong DCS code
• C. Improper transceiver offset
• D. All these choices are correct

T0B11

28. Which of the following establishes grounding requirements for an amateur radio tower or antenna?

• A. Local electrical codes
• B. FCC Part 97 rules
• C. UL recommended practices
• D. FAA tower lighting regulations

T1D05

29. When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

• A. Never
• B. When no profit is made on the sale
• C. When selling amateur radio equipment and not on a regular basis
• D. When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives

T3C04

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

T6D11

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

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

T2C06

32. What is the Amateur Radio Emergency Service (ARES)?

• A. A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
• B. A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
• C. A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
• D. A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service

T1C01

33. For which license classes are new licenses currently available from the FCC?

• A. Novice, Technician, General, Amateur Extra
• B. Novice, Technician Plus, General, Advanced
• C. Technician, Technician Plus, General, Amateur Extra
• D. Technician, General, Amateur Extra

T5A02

34. Electrical power is measured in which of the following units?

• A. Watts
• B. Amperes
• C. Watt-hours
• D. Volts

T0A07

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

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