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

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1. - T0A05

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

SelectAnswer
AThe power supply ripple would greatly increase
BThe larger fuse would be likely to blow because it is rated for higher current
CExcessive current could cause a fire
DAll these choices are correct

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

SelectAnswer
AMake sure all ground wire bends are right angles
BEnsure that connections are short and direct
CAll these choices are correct
DPut a drip loop in the ground connection to prevent water damage to the ground system

3. - T0C01

What type of radiation are radio signals?

SelectAnswer
AAlpha radiation
BIonizing radiation
CNon-ionizing radiation
DGamma radiation

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 transmitting emergency messages
BIt is required when in contact with foreign stations
CIt is encouraged
DAll these choices are correct

5. - T1B01

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

SelectAnswer
A28.300 MHz to 28.500 MHz
B28.050 MHz to 28.150 MHz
C28.100 MHz to 28.300 MHz
D28.500 MHz to 28.600 MHz

6. - T1C05

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

SelectAnswer
AKF1XXX
BKA1X
CAll these choices are correct
DW1XX

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

SelectAnswer
AAny country banned from making such communications by the American Radio Relay League (ARRL)
BAny country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
CAny country banned from such communications by the International Amateur Radio Union (IARU)
DAny country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

SelectAnswer
AOnly the station licensee
BThe control operator and the station licensee
CAll licensed amateurs who are present at the operation
DOnly the control operator

9. - T1F03

When are you required to transmit your assigned call sign?

SelectAnswer
AAt least once during each transmission
BAt least every 10 minutes during and at the end of a communication
CAt the beginning of each contact, and every 10 minutes thereafter
DAt least every 15 minutes during and at the end of a communication

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

SelectAnswer
A145.000 MHz
B432.100 MHz
C446.000 MHz
D146.520 MHz

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

SelectAnswer
AMust match the repeater color code for access
BDefines the frequency pair to use
CIdentifies the codec used
DDefines the minimum signal level required for access

12. - T2C04

What is RACES?

SelectAnswer
AAn emergency organization combining amateur radio and citizens band operators and frequencies
BAn FCC part 97 amateur radio service for civil defense communications during national emergencies
CAn international radio experimentation society
DA radio contest held in a short period, sometimes called a “sprint”

13. - T3A01

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

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

14. - T3B02

What property of a radio wave defines its polarization?

SelectAnswer
AThe orientation of the electric field
BThe ratio of the energy in the magnetic field to the energy in the electric field
CThe orientation of the magnetic field
DThe ratio of the velocity to the wavelength

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

SelectAnswer
AFrom shortly after sunset to dawn during periods of low sunspot activity
BFrom shortly after sunset to dawn during periods of high sunspot activity
CFrom dawn to shortly after sunset during periods of high sunspot activity
DFrom dawn to shortly after sunset during periods of low sunspot activity

16. - T4A08

Which of the following conductors is preferred for bonding at RF?

SelectAnswer
AFlat copper strap
BTwisted-pair cable
CCopper braid removed from coaxial cable
DSteel wire

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

SelectAnswer
A1000 Hz
B500 Hz
C2400 Hz
D5000 Hz

18. - T5A07

Why are metals generally good conductors of electricity?

SelectAnswer
AThey have many free electrons
BAll these choices are correct
CThey have many free protons
DThey have relatively high density

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

SelectAnswer
A10 dB
B12 dB
C18 dB
D28 dB

20. - T5C04

What is the unit of inductance?

SelectAnswer
AThe coulomb
BThe farad
CThe henry
DThe ohm

21. - T5D03

What formula is used to calculate resistance in a circuit?

SelectAnswer
AR = E - I
BR = E / I
CR = E + I
DR = E x I

22. - T6A03

What electrical parameter is controlled by a potentiometer?

SelectAnswer
AField strength
BCapacitance
CInductance
DResistance

23. - T6B02

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

SelectAnswer
AResistor
BDriven element
CFuse
DDiode

24. - T6C07

What is component 8 in figure T-2?

SelectAnswer
ALight emitting diode
BRegulator IC
CResistor
DInductor

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

SelectAnswer
ARegulator
BOscillator
CPhase inverter
DFilter

26. - T7A02

What is a transceiver?

SelectAnswer
AA device that combines a receiver and transmitter
BA device for converting receiver and transmitter frequencies to another band
CA device for automatically sending and decoding Morse code
DA device for matching feed line impedance to 50 ohms

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

SelectAnswer
AYou are in a bad location
BYour transmitter is slightly off frequency
CAll these choices are correct
DYour batteries are running low

28. - T7C06

What does an SWR reading of 4:1 indicate?

SelectAnswer
ALoss of -4 dB
BImpedance mismatch
CGain of +4 dB
DGood impedance match

29. - T7D01

Which instrument would you use to measure electric potential?

SelectAnswer
AAn ohmmeter
BAn ammeter
CA wavemeter
DA voltmeter

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

SelectAnswer
A6 kHz
B3 kHz
C1 kHz
D15 kHz

31. - T8B10

What is a LEO satellite?

SelectAnswer
AA highly elliptical orbit satellite
BA sun synchronous satellite
CA satellite in low energy operation mode
DA satellite in low earth orbit

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

SelectAnswer
AA system for informing amateurs in real time of the frequency of active DX stations
BA system for providing access to websites via amateur radio
CA technique for measuring signal strength of an amateur transmitter via the internet
DA technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)

33. - T8D12

Which of the following best describes an amateur radio mesh network?

SelectAnswer
AAn internet linking protocol used to network repeaters
BA satellite communications network using modified commercial satellite TV hardware
CA wide-bandwidth digital voice mode employing DMR protocols
DAn amateur-radio based data network using commercial Wi-Fi equipment with modified firmware

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

SelectAnswer
AIt is mechanically fragile
BIt transmits only circularly polarized signals
CIt has low efficiency
DAll these choices are correct

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

SelectAnswer
AAll these choices are correct
BHigh SWR
CMultiple connectors in the line
DWater intrusion into coaxial connectors

Figure T-2