Practice Exam

T5A07

1. Why are metals generally good conductors of electricity?

• A. They have many free protons
• B. They have many free electrons
• C. All these choices are correct
• D. They have relatively high density

T7B02

2. What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

• A. The receiver is unable to reject strong signals outside the AM or FM band
• B. The audio amplifier of the transmitter is overloaded
• C. The microphone gain of the transmitter is turned up too high
• D. The deviation of an FM transmitter is set too low

T2C06

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

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

T7D02

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

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

T9A09

5. What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

• A. 50
• B. 6
• C. 236
• D. 112

T0A05

6. Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

• A. Excessive current could cause a fire
• B. All these choices are correct
• C. The larger fuse would be likely to blow because it is rated for higher current
• D. The power supply ripple would greatly increase

T0C01

7. What type of radiation are radio signals?

• A. Alpha radiation
• B. Gamma radiation
• C. Non-ionizing radiation
• D. Ionizing radiation

T3B03

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

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

T0B09

9. Why should you avoid attaching an antenna to a utility pole?

• A. The 60 Hz radiations from the feed line may increase the SWR
• B. The antenna will not work properly because of induced voltages
• C. The antenna could contact high-voltage power lines
• D. All these choices are correct

T1F10

10. Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

• A. Both the originating station and the repeater owner
• B. The control operator of the repeater
• C. The control operator of the originating station
• D. The owner of the repeater

T9B01

11. What is a benefit of low SWR?

• A. Less antenna wear
• B. All these choices are correct
• C. Reduced television interference
• D. Reduced signal loss

T2B02

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

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

T1B05

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

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

T6D03

14. Which of the following is a reason to use shielded wire?

• A. To increase the current carrying capability of the wire
• B. To decrease the resistance of DC power connections
• C. To couple the wire to other signals
• D. To prevent coupling of unwanted signals to or from the wire

T6A02

15. What type of component is often used as an adjustable volume control?

• A. Power resistor
• B. Potentiometer
• C. Transformer
• D. Fixed resistor

T5B13

16. Which is equal to 2425 MHz?

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

T3C06

17. 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. Faraday rotation
• B. D region refraction
• C. Tropospheric ducting
• D. F2 region refraction

T5D04

18. What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

• A. 3 ohms
• B. 30 ohms
• C. 93 ohms
• D. 270 ohms

T8A12

19. Which of the following is a disadvantage of FM compared with single sideband?

• A. Only one signal can be received at a time
• B. Voice quality is poorer
• C. FM signals are harder to tune
• D. All these choices are correct

T1C06

20. From which of the following locations may an FCC-licensed amateur station transmit?

• A. From within any country that belongs to the International Telecommunication Union
• B. From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
• C. From within any country that is a member of the United Nations
• D. From any vessel or craft located in international waters and documented or registered in the United States

T8B12

21. Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

• A. Check your signal strength report in the telemetry data
• B. Your signal strength on the downlink should be about the same as the beacon
• C. All these choices are correct
• D. Listen for distortion on your downlink signal

T8C06

22. 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 entering the proper internet password
• D. By using CTCSS tone codes

T7C04

23. What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

• A. Zero
• B. 50:50
• C. Full Scale
• D. 1:1

T1A07

24. What is the FCC Part 97 definition of a space station?

• A. An amateur station using amateur radio satellites for relay of signals
• B. Any satellite orbiting Earth
• C. A manned satellite orbiting Earth
• D. An amateur station located more than 50 km above Earth's surface

T2A06

25. Which of the following is required when making on-the-air test transmissions?

• A. Conduct tests only between 10 p.m. and 6 a.m. local time
• B. Notify the FCC of the transmissions
• C. Identify the transmitting station
• D. All these choices are correct

T4A12

26. What is an electronic keyer?

• A. An interlock to prevent unauthorized use of a radio
• B. A device for switching antennas from transmit to receive
• C. A device that assists in manual sending of Morse code
• D. A device for voice activated switching from receive to transmit

T3A11

27. Which region of the atmosphere can refract or bend HF and VHF radio waves?

• A. The mesosphere
• B. The troposphere
• C. The stratosphere
• D. The ionosphere

T6C07

28. What is component 8 in figure T-2?

• A. Inductor
• B. Resistor
• C. Light emitting diode
• D. Regulator IC

T1E07

29. When the control operator is not the station licensee, who is responsible for the proper operation of the station?

• A. All licensed amateurs who are present at the operation
• B. The control operator and the station licensee
• C. Only the station licensee
• D. Only the control operator

T6B10

30. Which of the following can provide power gain?

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

T8D03

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

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

T4B05

32. What does the scanning function of an FM transceiver do?

• A. Checks for messages left on a digital bulletin board
• B. Checks incoming signal deviation
• C. Tunes through a range of frequencies to check for activity
• D. Prevents interference to nearby repeaters

T1D10

33. How does the FCC define broadcasting for the Amateur Radio Service?

• A. Two-way transmissions by amateur stations
• B. Transmission of messages directed only to amateur operators
• C. Any transmission made by the licensed station
• D. Transmissions intended for reception by the general public

T5C11

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

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

T7A03

35. Which of the following is used to convert a signal from one frequency to another?

• A. Inverter
• B. Amplifier
• C. Mixer
• D. Phase splitter