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

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1. - T0A12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

SelectAnswer
AEnsure that the voltmeter and leads are rated for use at the voltages to be measured
BEnsure that the circuit is grounded through the voltmeter
CEnsure that the voltmeter has very low impedance
DEnsure that the voltmeter is set to the correct frequency

2. - T0B09

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

SelectAnswer
AThe 60 Hz radiations from the feed line may increase the SWR
BThe antenna will not work properly because of induced voltages
CAll these choices are correct
DThe antenna could contact high-voltage power lines

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

SelectAnswer
A440 MHz
B50 MHz
C1296 MHz
D3.5 MHz

4. - T1A03

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

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

5. - T1B02

Which amateurs may contact the International Space Station (ISS) on VHF bands?

SelectAnswer
AAny amateur holding a General class or higher license
BAny amateur holding a Technician class or higher license who has applied for and received approval from NASA
CAny amateur holding a General class or higher license who has applied for and received approval from NASA
DAny amateur holding a Technician class or higher license

6. - T1C01

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

SelectAnswer
ANovice, Technician, General, Amateur Extra
BTechnician, Technician Plus, General, Amateur Extra
CNovice, Technician Plus, General, Advanced
DTechnician, General, Amateur Extra

7. - T1D11

When may an amateur station transmit without identifying on the air?

SelectAnswer
AWhen the transmissions are unmodulated
BWhen the transmitted power level is below 1 watt
CWhen transmitting signals to control model craft
DWhen the transmissions are of a brief nature to make station adjustments

8. - T1E09

Which of the following are required for remote control operation?

SelectAnswer
AA control operator is required at all times
BThe control operator must be at the control point
CAll these choices are correct
DThe control operator must indirectly manipulate the controls

9. - T1F04

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

SelectAnswer
AAny language recognized by the ITU
BEnglish, French, or Spanish
CEnglish
DAny language recognized by the United Nations

10. - T2A05

How should you respond to a station calling CQ?

SelectAnswer
ATransmit "CQ" followed by the other station’s call sign
BTransmit your call sign followed by the other station’s call sign
CTransmit a signal report followed by your call sign
DTransmit the other station’s call sign followed by your call sign

11. - T2B06

What type of signaling uses pairs of audio tones?

SelectAnswer
ADTMF
BD-STAR
CCTCSS
DGPRS

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

SelectAnswer
AYes, but only when part of a FEMA emergency plan
BYes, but only in situations involving the immediate safety of human life or protection of property
CYes, but only when part of a RACES emergency plan
DNo

13. - T3A12

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

SelectAnswer
ARange increase
BDeflection
CAbsorption
DThere is little effect

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 300 divided by frequency in megahertz
DWavelength in meters equals frequency in hertz multiplied by 300

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

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

SelectAnswer
AReceive audio, transmit audio, and transmitter keying
BReceive and transmit mode, status, and location
CAntenna and RF power
DNMEA GPS location and DC power

17. - T4B03

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

SelectAnswer
ASet the squelch threshold so that receiver output audio is on all the time
BEnable squelch enhancement
CTurn up the audio level until it overcomes the squelch threshold
DTurn on the anti-squelch function

18. - T5A04

What are the units of electrical resistance?

SelectAnswer
ACoulombs
BOhms
CMhos
DSiemens

19. - T5B11

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

SelectAnswer
A10 dB
B18 dB
C12 dB
D28 dB

20. - T5C06

What does the abbreviation “RF” mean?

SelectAnswer
AReflective force in antenna transmission lines
BThe resonant frequency of a tuned circuit
CThe real frequency transmitted as opposed to the apparent frequency
DRadio frequency signals of all types

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

SelectAnswer
A2 amperes
B0.5 amperes
C20,000 amperes
D100 amperes

22. - T6A10

Which of the following battery chemistries is rechargeable?

SelectAnswer
ALithium-ion
BAll these choices are correct
CNickel-metal hydride
DLead-acid

23. - T6B09

What are the names for the electrodes of a diode?

SelectAnswer
AGate and base
BPlus and minus
CSource and drain
DAnode and cathode

24. - T6C02

What is component 1 in figure T-1?

SelectAnswer
AConnector
BTransistor
CResistor
DBattery

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

SelectAnswer
ADiode
BTransformer
CVariable capacitor
DTransistor

26. - T7A06

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

SelectAnswer
ATransverter
BLow-pass filter
CHigh-pass filter
DPhase converter

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
BImmediately turn off your transmitter and contact the nearest FCC office for assistance
CAll these choices are correct
DMake 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

28. - T7C11

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

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

29. - T7D11

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

SelectAnswer
AEnsure that the applied voltages are correct
BEnsure that the circuit is operating at the correct frequency
CEnsure that the circuit is grounded
DEnsure that the circuit is not powered

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

SelectAnswer
AFM
BSSB
CPM
DDRM

31. - T8B06

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

SelectAnswer
AAll these choices are correct
BThe satellite transmitted power
CThe Keplerian elements
DThe last observed time of zero Doppler shift

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

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

33. - T8D05

Which of the following is an application of APRS?

SelectAnswer
AShowing automatically the number of packets transmitted via PACTOR during a specific time interval
BProviding information on the number of stations signed into a repeater
CProviding real-time tactical digital communications in conjunction with a map showing the locations of stations
DProviding voice over internet connection between repeaters

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

SelectAnswer
ASignal strength is reduced due to the shielding effect of the vehicle
BThe bandwidth of the antenna will decrease, increasing SWR
CAll these choices are correct
DThe SWR might decrease, decreasing the signal strength

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

SelectAnswer
ARS-213
BType N
CDB-25
DUHF (PL-259/SO-239)

Figure T-1