Practice Exam

T7C07

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

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

T2A04

2. What is an appropriate way to call another station on a repeater if you know the other station's call sign?

• A. Say "break, break," then say the station's call sign
• B. Wait for the station to call CQ, then answer
• C. Say "CQ" three times, then the other station's call sign
• D. Say the station's call sign, then identify with your call sign

T0C08

3. Which of the following actions can reduce exposure to RF radiation?

• A. All these choices are correct
• B. Increase the duty cycle
• C. Relocate antennas
• D. Relocate the transmitter

T6C05

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

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

T9B05

5. What happens as the frequency of a signal in coaxial cable is increased?

• A. The loss increases
• B. The loss decreases
• C. The characteristic impedance decreases
• D. The characteristic impedance increases

T6A04

6. What electrical component stores energy in an electric field?

• A. Diode
• B. Varistor
• C. Capacitor
• D. Inductor

T4A05

7. Where should an RF power meter be installed?

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

T0A02

8. What health hazard is presented by electrical current flowing through the body?

• A. It may disrupt the electrical functions of cells
• B. All these choices are correct
• C. It may cause involuntary muscle contractions
• D. It may cause injury by heating tissue

T5C03

9. What describes the ability to store energy in a magnetic field?

• A. Admittance
• B. Resistance
• C. Capacitance
• D. Inductance

T8D04

10. What type of transmission is indicated by the term "NTSC?"

• A. A frame compression scheme for TV signals
• B. An analog fast-scan color TV signal
• C. A special mode for satellite uplink
• D. A Normal Transmission mode in Static Circuit

T3C08

11. What causes tropospheric ducting?

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

T7D09

12. What is the characteristic appearance of a cold tin-lead solder joint?

• A. A rough or lumpy surface
• B. A bright or shiny surface
• C. Excessive solder
• D. Dark black spots

T6B07

13. What causes a light-emitting diode (LED) to emit light?

• A. Forward current
• B. Reverse current
• C. Capacitively-coupled RF signal
• D. Inductively-coupled RF signal

T2C09

14. Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

• A. Yes, but only when part of a RACES emergency plan
• B. Yes, but only when part of a FEMA emergency plan
• C. Yes, but only in situations involving the immediate safety of human life or protection of property
• D. No

T8C10

15. What is required before using the EchoLink system?

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

T5D03

16. What formula is used to calculate resistance in a circuit?

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

T3B11

17. What is the approximate velocity of a radio wave in free space?

• A. 150,000 miles per hour
• B. 300,000,000 meters per second
• C. 150,000 meters per second
• D. 300,000,000 miles per hour

T0B01

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

T4B06

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

T1E02

20. Who may be the control operator of a station communicating through an amateur satellite or space station?

• A. Any amateur allowed to transmit on the satellite uplink frequency
• B. Only an Amateur Extra Class operator
• C. A General class or higher licensee with a satellite operator certification
• D. Only an Amateur Extra Class operator who is also an AMSAT member

T7B07

21. Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

• A. Installing an RF preamplifier
• B. Installing bypass capacitors on the microphone cable
• C. Installing a band-reject filter
• D. Using double-shielded coaxial cable

T8A09

22. 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

T1C10

23. How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

• A. As soon as your operator/station license grant appears in the FCC's license database
• B. Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
• C. As soon as your operator/station license grant appears on the ARRL website
• D. As soon as you receive your license in the mail from the FCC

T7A02

24. What is a transceiver?

• A. A device for matching feed line impedance to 50 ohms
• B. A device for converting receiver and transmitter frequencies to another band
• C. A device that combines a receiver and transmitter
• D. A device for automatically sending and decoding Morse code

T6D09

25. What is the name of a device that combines several semiconductors and other components into one package?

• A. Transducer
• B. Multi-pole relay
• C. Transformer
• D. Integrated circuit

T9A11

26. What is antenna gain?

• A. The additional power that is added to the transmitter power
• B. The increase in impedance on receive or transmit compared to a reference antenna
• C. The increase in signal strength in a specified direction compared to a reference antenna
• D. The additional power that is required in the antenna when transmitting on a higher frequency

T8B01

27. What telemetry information is typically transmitted by satellite beacons?

• A. The signal strength of received signals
• B. Time of day accurate to plus or minus 1/10 second
• C. All these choices are correct
• D. Health and status of the satellite

T1B08

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

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

T1F02

29. How often must you identify with your FCC-assigned call sign when using tactical call signs such as "Race Headquarters"?

• A. Never, the tactical call is sufficient
• B. At the end of each communication and every ten minutes during a communication
• C. Once during every hour
• D. At the end of every transmission

T1A09

30. Who selects a Frequency Coordinator?

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

T5B02

31. Which is equal to 1,500,000 hertz?

• A. 1500 kHz
• B. 1500 MHz
• C. 15 GHz
• D. 150 kHz

T2B05

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

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

T1D05

33. 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 the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
• C. When selling amateur radio equipment and not on a regular basis
• D. When no profit is made on the sale

T5A02

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

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

T3A02

35. What is the effect of vegetation on UHF and microwave signals?

• A. Absorption
• B. Knife-edge diffraction
• C. Polarization rotation
• D. Amplification