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

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1. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

SelectAnswer
AOn a grounded panel near where feed lines enter the building
BAt the ac power service panel
CAt the output connector of a transceiver
DAt the antenna feed point

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. - T0C03

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

SelectAnswer
AIt increases by a factor of 3
BThere is no adjustment allowed for lower duty cycle
CIt decreases by 50 percent
DIt increases by a factor of 2

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

SelectAnswer
AAll these choices are correct
BThe FCC
CHomeland Security
DFEMA

5. - T1B02

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

SelectAnswer
AAny amateur holding a Technician 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 General class or higher license

6. - T1C09

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

SelectAnswer
ATwo years
BFive years
CTen years
DThree years

7. - T1D04

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

SelectAnswer
AWhen the music produces no spurious emissions
BWhen transmissions are limited to less than three minutes per hour
CWhen incidental to an authorized retransmission of manned spacecraft communications
DWhen the music is transmitted above 1280 MHz

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

SelectAnswer
AControlling a model aircraft, boat, or car by amateur radio
BRepeater operation
CAll these choices are correct
DOperating the station over the internet

9. - T1F01

When must the station and its records be available for FCC inspection?

SelectAnswer
AAt any time ten days after notification by the FCC of such an inspection
BAt any time after written notification by the FCC of such inspection
CAt any time upon request by an FCC representative
DOnly when presented with a valid warrant by an FCC official or government agent

10. - T2A05

How should you respond to a station calling CQ?

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

11. - T2B06

What type of signaling uses pairs of audio tones?

SelectAnswer
ADTMF
BD-STAR
CGPRS
DCTCSS

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

SelectAnswer
AWhen operating under special ARES rules
BWhen operating a RACES station
CWhen operating under special FEMA rules
DFCC rules always apply

13. - T3A12

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

SelectAnswer
ADeflection
BRange increase
CThere is little effect
DAbsorption

14. - T3B02

What property of a radio wave defines its polarization?

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

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
AF2 region refraction
BD region refraction
CFaraday rotation
DTropospheric ducting

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

SelectAnswer
A24.0 volts at 4 amperes
B13.8 volts at 4 amperes
C24.0 volts at 12 amperes
D13.8 volts at 12 amperes

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

SelectAnswer
ABy activating automatic identification
BBy retrieving the frequencies from transceiver memory
CBy entering the group’s identification code
DBy enabling the group’s CTCSS tone

18. - T5A11

What type of current flow is opposed by resistance?

SelectAnswer
AAlternating current
BAll these choices are correct
CRF current
DDirect current

19. - T5B05

Which is equal to 500 milliwatts?

SelectAnswer
A50 watts
B0.5 watts
C0.02 watts
D5 watts

20. - T5C04

What is the unit of inductance?

SelectAnswer
AThe henry
BThe farad
CThe coulomb
DThe ohm

21. - T5D09

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

SelectAnswer
A10 amperes
B0.1 amperes
C24,000 amperes
D216 amperes

22. - T6A07

What electrical component is typically constructed as a coil of wire?

SelectAnswer
ASwitch
BDiode
CInductor
DCapacitor

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

SelectAnswer
ATransistor
BPentagrid converter
CTriode
DAlternator

24. - T6C10

What is component 3 in figure T-3?

SelectAnswer
AVariable capacitor
BVariable inductor
CMeter
DConnector

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

SelectAnswer
APotentiometer
BResistor
CZener diode
DCapacitor

26. - T7A06

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

SelectAnswer
ATransverter
BPhase converter
CLow-pass filter
DHigh-pass filter

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
AYour transmitter is slightly off frequency
BYour batteries are running low
CYou are in a bad location
DAll these choices are correct

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

SelectAnswer
ATo protect the output amplifier transistors
BBecause power supplies cannot supply enough current at high SWR
CTo lower the SWR on the transmission line
DTo comply with FCC rules on spectral purity

29. - T7D06

Which of the following can damage a multimeter?

SelectAnswer
AFailing to connect one of the probes to ground
BNot allowing it to warm up properly
CAttempting to measure voltage when using the resistance setting
DAttempting to measure resistance using the voltage setting

30. - T8A05

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

SelectAnswer
ACW
BFM voice
CSSB voice
DSlow-scan TV

31. - T8B11

Who may receive telemetry from a space station?

SelectAnswer
AAnyone
BA licensed radio amateur who has registered for an access code from AMSAT
CA licensed radio amateur who has been certified by the protocol developer
DA licensed radio amateur with a transmitter equipped for interrogating the satellite

32. - T8C06

How is over the air access to IRLP nodes accomplished?

SelectAnswer
ABy using CTCSS tone codes
BBy entering the proper internet password
CBy using DTMF signals
DBy obtaining a password that is sent via voice to the node

33. - T8D05

Which of the following is an application of APRS?

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

34. - T9A02

Which of the following describes a type of antenna loading?

SelectAnswer
AElectrically lengthening by inserting inductors in radiating elements
BStrengthening the radiating elements of a beam antenna to better resist wind damage
CInserting a resistor in the radiating portion of the antenna to make it resonant
DInstalling a spring in the base of a mobile vertical antenna to make it more flexible

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

SelectAnswer
ARG-58 cable has two shields
BRG-213 cable has less loss at a given frequency
CRG-58 cable can handle higher power levels
DThere is no significant difference between the two types

Figure T-3