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US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

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1. - T0A11

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

SelectAnswer
AVoltage transients from kickback diodes
BCharge stored in filter capacitors
CCirculating currents in the dc filter
DLeakage flux in the power transformer

2. - T0B05

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

SelectAnswer
AProvide a ground path for lightning strikes
BSecure the guy line if the turnbuckle breaks
CProvide an ability to measure for proper tensioning
DPrevent loosening of the turnbuckle from vibration

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

SelectAnswer
ABy measurement of field strength using calibrated equipment
BBy calculation based on computer modeling
CBy calculation based on FCC OET Bulletin 65
DAll these choices are correct

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

SelectAnswer
AIt is required when in contact with foreign stations
BAll these choices are correct
CIt is required when transmitting emergency messages
DIt is encouraged

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

SelectAnswer
AAll these choices are correct
BSo that modulation sidebands do not extend beyond the band edge
CTo allow for calibration error in the transmitter frequency display
DTo allow for transmitter frequency drift

6. - T1C01

For which license classes are new licenses currently available from the FCC?

SelectAnswer
ATechnician, Technician Plus, General, Amateur Extra
BNovice, Technician Plus, General, Advanced
CNovice, Technician, General, Amateur Extra
DTechnician, General, Amateur Extra

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

SelectAnswer
AWhen the communication is incidental to classroom instruction at an educational institution
BWhen the communication is related to the sale of amateur equipment by the control operator's employer
CWhen the communication is made to obtain emergency information for a local broadcast station
DAll these choices are correct

8. - T1E06

When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

SelectAnswer
AAs part of a multi-operator contest team
BWhen designated as the control operator by an Amateur Extra Class licensee
CWhen using a club station whose trustee holds an Amateur Extra Class license
DAt no time

9. - T1F05

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

SelectAnswer
ASend the call sign followed by the indicator R
BSend the call sign followed by the indicator RPT
CSend the call sign using only a phone emission
DSend the call sign using a CW or phone emission

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

SelectAnswer
APlus or minus 5 MHz
BPlus or minus 500 kHz
CPlus or minus 600 kHz
DPlus or minus 1 MHz

11. - T2B05

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

SelectAnswer
AYour transmit power is too high
BYou are talking too loudly
CYou need to talk louder
DYour repeater offset is inverted

12. - T2C03

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

SelectAnswer
ASend the words by voice and Morse code
BAll these choices are correct
CSpeak very loudly into the microphone
DSpell the words using a standard phonetic alphabet

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

SelectAnswer
AAll these choices are correct
BVHF ionospheric propagation is very sensitive to path length
CThe signal path encounters different concentrations of water vapor
DMultipath propagation cancels or reinforces signals

14. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

SelectAnswer
AWavelength in meters equals frequency in hertz divided by 300
BWavelength in meters equals frequency in megahertz divided by 300
CWavelength in meters equals frequency in hertz multiplied by 300
DWavelength in meters equals 300 divided by frequency in megahertz

15. - T3C06

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?

SelectAnswer
AD region refraction
BF2 region refraction
CTropospheric ducting
DFaraday rotation

16. - T4A04

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

SelectAnswer
ATo an FT8 conversion unit, a keyboard, and a computer monitor
BTo a computer connected to the FT8converter.com website
CTo a computer running a terminal program and connected to a terminal node controller unit
DTo the audio input and output of a computer running WSJT-X software

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

SelectAnswer
AThe CTCSS or DTMF encoder
BThe Automatic Frequency Control
CThe keypad or VFO knob
DAll these choices are correct

18. - T5A03

What is the name for the flow of electrons in an electric circuit?

SelectAnswer
AResistance
BCurrent
CCapacitance
DVoltage

19. - T5B13

Which is equal to 2425 MHz?

SelectAnswer
A24.25 GHz
B2.425 GHz
C0.002425 GHz
D2425 GHz

20. - T5C12

What is impedance?

SelectAnswer
AThe Q or Quality Factor of a component
BThe opposition to AC current flow
CThe power handling capability of a component
DThe inverse of resistance

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

SelectAnswer
A0.1 amperes
B24,000 amperes
C216 amperes
D10 amperes

22. - T6A10

Which of the following battery chemistries is rechargeable?

SelectAnswer
ANickel-metal hydride
BLithium-ion
CAll these choices are correct
DLead-acid

23. - T6B01

Which is true about forward voltage drop in a diode?

SelectAnswer
AIt indicates that the diode is defective
BIt is proportional to peak inverse voltage
CIt is lower in some diode types than in others
DIt has no impact on the voltage delivered to the load

24. - T6C01

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

SelectAnswer
ASchematic
BFlow chart
CConnector pinout
DBill of materials

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

SelectAnswer
AMeter
BTransistor
CRelay
DPotentiometer

26. - T7A05

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

SelectAnswer
ALow-pass filter
BOscillator
CReactance modulator
DPhase modulator

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

SelectAnswer
AInstall a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
BAll these choices are correct
CMake sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
DImmediately turn off your transmitter and contact the nearest FCC office for assistance

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

SelectAnswer
AIt cannot be used at below freezing temperatures
BIt cannot be used for VHF or UHF antennas
CIt requires special techniques to prevent moisture in the cable
DIt has more loss per foot

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

SelectAnswer
AIn phase
BIn series
CIn parallel
DIn quadrature

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

SelectAnswer
ABetween 10 and 15 kHz
BLess than 500 Hz
CBetween 50 and 125 kHz
DAbout 150 kHz

31. - T8B07

What is Doppler shift in reference to satellite communications?

SelectAnswer
AA change in the satellite orbit
BA mode where the satellite receives signals on one band and transmits on another
CAn observed change in signal frequency caused by relative motion between the satellite and Earth station
DA special digital communications mode for some satellites

32. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

SelectAnswer
AA directional antenna
BCalibrated SWR meter
CAll these choices are correct
DA calibrated noise bridge

33. - T8D06

What does the abbreviation "PSK" mean?

SelectAnswer
APhased Slide Keying
BPhase Shift Keying
CPulse Shift Keying
DPacket Short Keying

34. - T9A06

Which of the following types of antenna offers the greatest gain?

SelectAnswer
AJ pole
BYagi
C5/8 wave vertical
DIsotropic

35. - T9B01

What is a benefit of low SWR?

SelectAnswer
AAll these choices are correct
BLess antenna wear
CReduced television interference
DReduced signal loss