Practice Exam

T1E04

1. What determines the transmitting frequency privileges of an amateur station?

• A. The frequency authorized by the frequency coordinator
• B. The highest class of operator license held by anyone on the premises
• C. The frequencies printed on the license grant
• D. The class of operator license held by the control operator

T9A12

2. What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

• A. It has more gain than a 1/4-wavelength antenna
• B. It eliminates distortion caused by reflected signals
• C. It has 10 times the power gain of a 1/4 wavelength whip
• D. It radiates at a very high angle

T6B02

3. What electronic component allows current to flow in only one direction?

• A. Diode
• B. Driven element
• C. Resistor
• D. Fuse

T4A07

4. Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

• A. Computer "line in" to transceiver speaker connector
• B. Computer "line out" to transceiver speaker connector
• C. Computer "line in" to transceiver push-to-talk
• D. Computer "line out" to transceiver push-to-talk

T9B04

5. What is the major function of an antenna tuner (antenna coupler)?

• A. It allows an antenna to be used on both transmit and receive
• B. It automatically selects the proper antenna for the frequency band being used
• C. It helps a receiver automatically tune in weak stations
• D. It matches the antenna system impedance to the transceiver's output impedance

T6A11

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

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

T5A04

7. What are the units of electrical resistance?

• A. Siemens
• B. Ohms
• C. Mhos
• D. Coulombs

T1D05

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

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

T7A06

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

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

T7C06

10. What does an SWR reading of 4:1 indicate?

• A. Impedance mismatch
• B. Loss of -4 dB
• C. Gain of +4 dB
• D. Good impedance match

T0B05

11. What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

• A. Provide an ability to measure for proper tensioning
• B. Prevent loosening of the turnbuckle from vibration
• C. Provide a ground path for lightning strikes
• D. Secure the guy line if the turnbuckle breaks

T0C12

12. How does RF radiation differ from ionizing radiation (radioactivity)?

• A. RF radiation is perfectly safe
• B. RF radiation can only be detected with an RF dosimeter
• C. RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
• D. RF radiation is limited in range to a few feet

T5C08

13. What is the formula used to calculate electrical power (P) in a DC circuit?

• A. P = E * I
• B. P = E + I
• C. P = E / I
• D. P = E - I

T6C01

14. What is the name of an electrical wiring diagram that uses standard component symbols?

• A. Flow chart
• B. Bill of materials
• C. Schematic
• D. Connector pinout

T7B08

15. What should you do if something in a neighbor's home is causing harmful interference to your amateur station?

• A. Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
• B. Work with your neighbor to identify the offending device
• C. All these choices are correct
• D. Make sure your station meets the standards of good amateur practice

T1F08

16. What is the definition of third party communications?

• A. Operation when the transmitting equipment is licensed to a person other than the control operator
• B. Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
• C. Amateur radio communications where three stations are in communications with one another
• D. A message from a control operator to another amateur station control operator on behalf of another person

T1C10

17. 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

T7D07

18. Which of the following measurements are made using a multimeter?

• A. All these choices are correct
• B. Impedance and reactance
• C. Signal strength and noise
• D. Voltage and resistance

T8B01

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

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

T2B06

20. What type of signaling uses pairs of audio tones?

• A. CTCSS
• B. GPRS
• C. DTMF
• D. D-STAR

T8D06

21. What does the abbreviation "PSK" mean?

• A. Pulse Shift Keying
• B. Phased Slide Keying
• C. Packet Short Keying
• D. Phase Shift Keying

T3B10

22. What frequency range is referred to as HF?

• A. 300 to 3000 kHz
• B. 300 to 3000 MHz
• C. 30 to 300 MHz
• D. 3 to 30 MHz

T8C10

23. What is required before using the EchoLink system?

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

T2C05

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

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

T8A07

25. What is a characteristic of single sideband (SSB) compared to FM?

• A. All these choices are correct
• B. SSB signals have narrower bandwidth
• C. SSB signals are easier to tune in correctly
• D. SSB signals are less susceptible to interference

T1A01

26. Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

• A. Advancing skills in the technical and communication phases of the radio art
• B. All these choices are correct
• C. Providing personal radio communications for as many citizens as possible
• D. Providing communications for international non-profit organizations

T0A11

27. What hazard exists in a power supply immediately after turning it off?

• A. Leakage flux in the power transformer
• B. Voltage transients from kickback diodes
• C. Charge stored in filter capacitors
• D. Circulating currents in the dc filter

T4B03

28. How is squelch adjusted so that a weak FM signal can be heard?

• A. Turn up the audio level until it overcomes the squelch threshold
• B. Set the squelch threshold so that receiver output audio is on all the time
• C. Enable squelch enhancement
• D. Turn on the anti-squelch function

T6D09

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

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

T2A08

30. What is the meaning of the procedural signal "CQ"?

• A. Test transmission, no reply expected
• B. Call on the quarter hour
• C. Calling any station
• D. Only the called station should transmit

T1B11

31. What is the maximum peak envelope power output for Technician class operators in their HF band segments?

• A. 10 watts
• B. 100 watts
• C. 200 watts
• D. 50 watts

T3C03

32. What is a characteristic of VHF signals received via auroral backscatter?

• A. They are distorted and signal strength varies considerably
• B. They occur only during winter nighttime hours
• C. They are often received from 10,000 miles or more
• D. They are generally strongest when your antenna is aimed west

T5D02

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

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

T3A09

34. Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

• A. FM voice is unusable
• B. Either vertically or horizontally polarized antennas may be used for transmission or reception
• C. Both the transmitting and receiving antennas must be of the same polarization
• D. Digital modes are unusable

T5B13

35. Which is equal to 2425 MHz?

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