Practice Exam

T1E03

1. Who must designate the station control operator?

• A. Any licensed operator
• B. The station licensee
• C. The FCC
• D. The frequency coordinator

T1F04

2. What language may you use for identification when operating in a phone sub-band?

• A. Any language recognized by the United Nations
• B. English
• C. Any language recognized by the ITU
• D. English, French, or Spanish

T9B05

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

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

T1B01

4. Which of the following frequency ranges are available for phone operation by Technician licensees?

• A. 28.300 MHz to 28.500 MHz
• B. 28.100 MHz to 28.300 MHz
• C. 28.050 MHz to 28.150 MHz
• D. 28.500 MHz to 28.600 MHz

T8D10

5. Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

• A. All these choices are correct
• B. Weak signal propagation beacons
• C. Meteor scatter
• D. Earth-Moon-Earth

T6A08

6. What is the function of an SPDT switch?

• A. Two circuits are each switched between one of two other circuits
• B. Two circuits are opened or closed
• C. A single circuit is switched between one of two other circuits
• D. A single circuit is opened or closed

T5D04

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

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

T7C10

8. Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

• A. Ultraviolet light can damage the jacket and allow water to enter the cable
• B. Ultraviolet and RF signals can mix, causing interference
• C. Ultraviolet resistant jackets prevent harmonic radiation
• D. Ultraviolet light can increase losses in the cable's jacket

T8B06

9. Which of the following are inputs to a satellite tracking program?

• A. The last observed time of zero Doppler shift
• B. All these choices are correct
• C. The satellite transmitted power
• D. The Keplerian elements

T3A04

10. What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

• A. Nothing significant will happen
• B. Signals have an echo effect
• C. The modulation sidebands might become inverted
• D. Received signal strength is reduced

T6C09

11. What is component 4 in figure T-2?

• A. Potentiometer
• B. Transformer
• C. Double-pole switch
• D. Variable inductor

T6D09

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

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

T0C11

13. What is the definition of duty cycle during the averaging time for RF exposure?

• A. The percentage of time that a transmitter is transmitting
• B. The difference between the lowest power output and the highest power output of a transmitter
• C. The percentage of time that a transmitter is not transmitting
• D. The difference between the PEP and average power output of a transmitter

T1D04

14. Under what conditions is an amateur station authorized to transmit music using a phone emission?

• A. When the music produces no spurious emissions
• B. When the music is transmitted above 1280 MHz
• C. When incidental to an authorized retransmission of manned spacecraft communications
• D. When transmissions are limited to less than three minutes per hour

T4A04

15. How are the transceiver audio input and output connected in a station configured to operate using FT8?

• A. To a computer running a terminal program and connected to a terminal node controller unit
• B. To a computer connected to the FT8converter.com website
• C. To an FT8 conversion unit, a keyboard, and a computer monitor
• D. To the audio input and output of a computer running WSJT-X software

T3C08

16. What causes tropospheric ducting?

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

T1C09

17. What is the grace period for renewal if an amateur license expires?

• A. Five years
• B. Three years
• C. Ten years
• D. Two years

T2C06

18. 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 have voluntarily registered their qualifications and equipment for communications duty in the public service
• C. A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
• D. 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

T5A07

19. Why are metals generally good conductors of electricity?

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

T4B11

20. Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

• A. Your output power
• B. The codec type being used
• C. All these choices are correct
• D. Your call sign

T9A03

21. Which of the following describes a simple dipole oriented parallel to Earth's surface?

• A. A ground-wave antenna
• B. A vertically polarized antenna
• C. A travelling-wave antenna
• D. A horizontally polarized antenna

T0B10

22. Which of the following is true when installing grounding conductors used for lightning protection?

• A. Sharp bends must be avoided
• B. Common grounds must be avoided
• C. Use only non-insulated wire
• D. Wires must be carefully routed with precise right-angle bends

T5C05

23. What is the unit of impedance?

• A. The ohm
• B. The coulomb
• C. The volt
• D. The ampere

T8C10

24. 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. All these choices are correct
• D. Complete the required EchoLink training

T8A05

25. Which of the following types of signal has the narrowest bandwidth?

• A. FM voice
• B. CW
• C. Slow-scan TV
• D. SSB voice

T5B10

26. Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

• A. -1 dB
• B. -9 dB
• C. -6 dB
• D. -3 dB

T7D11

27. Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

• A. Ensure that the circuit is grounded
• B. Ensure that the circuit is not powered
• C. Ensure that the applied voltages are correct
• D. Ensure that the circuit is operating at the correct frequency

T3B05

28. What is the relationship between wavelength and frequency?

• A. Wavelength gets longer as frequency increases
• B. Wavelength gets shorter as frequency increases
• C. Wavelength and frequency are unrelated
• D. Wavelength and frequency increase as path length increases

T2A06

29. 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

T7A05

30. What is the name of a circuit that generates a signal at a specific frequency?

• A. Oscillator
• B. Low-pass filter
• C. Phase modulator
• D. Reactance modulator

T1A01

31. 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

T2B05

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

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

T6B03

33. Which of these components can be used as an electronic switch?

• A. Potentiometer
• B. Transistor
• C. Varistor
• D. Thermistor

T0A08

34. Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

• A. In series with the hot and neutral conductors
• B. In series with the hot conductor only
• C. In parallel with the hot and neutral conductors
• D. In parallel with the hot conductor only

T7B04

35. Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

• A. Low-pass filter
• B. Band-pass filter
• C. Ferrite choke
• D. Preamplifier