Practice Exam

T6C05

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

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

T7C06

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

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

T1A01

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

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

T3B01

4. What is the relationship between the electric and magnetic fields of an electromagnetic wave?

• A. They are at right angles
• B. They revolve in opposite directions
• C. They are in parallel
• D. They travel at different speeds

T2C03

5. What technique is used to ensure that voice messages containing unusual words are received correctly?

• A. All these choices are correct
• B. Send the words by voice and Morse code
• C. Speak very loudly into the microphone
• D. Spell the words using a standard phonetic alphabet

T5A11

6. What type of current flow is opposed by resistance?

• A. All these choices are correct
• B. Direct current
• C. RF current
• D. Alternating current

T7A02

7. What is a transceiver?

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

T0A05

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

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

T8C05

9. What is a grid locator?

• A. An instrument for radio direction finding
• B. An instrument for neutralizing a final amplifier
• C. A letter-number designator assigned to an azimuth and elevation
• D. A letter-number designator assigned to a geographic location

T1C05

10. Which of the following is a valid Technician class call sign format?

• A. All these choices are correct
• B. KA1X
• C. W1XX
• D. KF1XXX

T5C01

11. What describes the ability to store energy in an electric field?

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

T5D14

12. In which type of circuit is voltage the same across all components?

• A. Parallel
• B. Resonant
• C. Series
• D. Branch

T9B05

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

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

T8B11

14. Who may receive telemetry from a space station?

• A. A licensed radio amateur with a transmitter equipped for interrogating the satellite
• B. A licensed radio amateur who has registered for an access code from AMSAT
• C. Anyone
• D. A licensed radio amateur who has been certified by the protocol developer

T2A05

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

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

T7D02

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

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

T6B12

17. What are the names of the electrodes of a bipolar junction transistor?

• A. Emitter, base, collector
• B. Signal, bias, power
• C. Input, output, supply
• D. Pole one, pole two, output

T0C03

18. How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

• A. It decreases by 50 percent
• B. There is no adjustment allowed for lower duty cycle
• C. It increases by a factor of 3
• D. It increases by a factor of 2

T7B08

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

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

T1B07

20. Which of the following VHF/UHF band segments are limited to CW only?

• A. 219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
• B. All these choices are correct
• C. 902.0 MHz to 902.1 MHz
• D. 50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz

T3A12

21. What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

• A. Deflection
• B. Absorption
• C. There is little effect
• D. Range increase

T1D06

22. What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

• A. The FCC maintains a list of words that are not permitted to be used on amateur frequencies
• B. There is no such prohibition
• C. The ITU maintains a list of words that are not permitted to be used on amateur frequencies
• D. Any such language is prohibited

T4A05

23. Where should an RF power meter be installed?

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

T1F05

24. What method of call sign identification is required for a station transmitting phone signals?

• A. Send the call sign followed by the indicator RPT
• B. Send the call sign followed by the indicator R
• C. Send the call sign using only a phone emission
• D. Send the call sign using a CW or phone emission

T6D10

25. What is the function of component 2 in figure T-1?

• A. Convert electrical energy into radio waves
• B. Supply electrical energy
• C. Control the flow of current
• D. Give off light when current flows through it

T2B02

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

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

T8A04

27. Which type of modulation is commonly used for VHF and UHF voice repeaters?

• A. SSB
• B. AM
• C. FM or PM
• D. PSK

T0B09

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

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

T8D06

29. What does the abbreviation "PSK" mean?

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

T4B06

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

T5B07

31. Which is equal to 3.525 MHz?

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

T9A09

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

• A. 236
• B. 50
• C. 112
• D. 6

T1E04

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

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

T3C07

34. What band is best suited for communicating via meteor scatter?

• A. 70 centimeters
• B. 6 meters
• C. 2 meters
• D. 33 centimeters

T6A10

35. Which of the following battery chemistries is rechargeable?

• A. Nickel-metal hydride
• B. All these choices are correct
• C. Lead-acid
• D. Lithium-ion