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

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1. - T0A08

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

SelectAnswer
AIn parallel with the hot and neutral conductors
BIn series with the hot and neutral conductors
CIn series with the hot conductor only
DIn parallel with the hot conductor only

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

SelectAnswer
AInsulate the base of the tower to avoid lightning strikes
BWear a ground strap connected to your wrist at all times
CAll these choices are correct
DLook for and stay clear of any overhead electrical wires

3. - T0C13

Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

SelectAnswer
AThe local zoning board
BThe station licensee
CThe FCC
DAnyone who is near an antenna

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

SelectAnswer
AFrequency Spectrum Manager appointed by the FCC
BFCC Regional Field Office
CInternational Telecommunication Union
DVolunteer Frequency Coordinator recognized by local amateurs

5. - T1B04

Which amateur band includes 146.52 MHz?

SelectAnswer
A2 meters
B70 centimeters
C20 meters
D6 meters

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

SelectAnswer
AYes, for up to one year
BYes, as soon as you apply for renewal
CYes, for up to two years
DNo, you must wait until the license has been renewed

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

SelectAnswer
AWhen broadcasting communications to or from the space shuttle
BWhere noncommercial programming is gathered and supplied exclusively to the National Public Radio network
CNever
DWhen such communications are directly related to the immediate safety of human life or protection of property

8. - T1E01

When may an amateur station transmit without a control operator?

SelectAnswer
AWhen using automatic control, such as in the case of a repeater
BNever
CWhen the station licensee is away and another licensed amateur is using the station
DWhen the transmitting station is an auxiliary station

9. - T1F03

When are you required to transmit your assigned call sign?

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

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

SelectAnswer
AAll these choices are correct
BConduct tests only between 10 p.m. and 6 a.m. local time
CNotify the FCC of the transmissions
DIdentify the transmitting station

11. - T2B06

What type of signaling uses pairs of audio tones?

SelectAnswer
AD-STAR
BCTCSS
CDTMF
DGPRS

12. - T2C11

What is meant by “check” in a radiogram header?

SelectAnswer
AThe number of words or word equivalents in the text portion of the message
BThe call sign of the originating station
CA box on the message form that indicates that the message was received and/or relayed
DA list of stations that have relayed the message

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

SelectAnswer
AIncrease the antenna SWR
BTry the long path
CTry to find a path that reflects signals to the repeater
DChange from vertical to horizontal polarization

14. - T3B10

What frequency range is referred to as HF?

SelectAnswer
A30 to 300 MHz
B3 to 30 MHz
C300 to 3000 MHz
D300 to 3000 kHz

15. - T3C08

What causes tropospheric ducting?

SelectAnswer
ASunspots and solar flares
BTemperature inversions in the atmosphere
CDischarges of lightning during electrical storms
DUpdrafts from hurricanes and tornadoes

16. - T4A06

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

SelectAnswer
AReceive and transmit mode, status, and location
BAntenna and RF power
CNMEA GPS location and DC power
DReceive audio, transmit audio, and transmitter keying

17. - T4B02

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

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

18. - T5A07

Why are metals generally good conductors of electricity?

SelectAnswer
AThey have many free electrons
BThey have relatively high density
CThey have many free protons
DAll these choices are correct

19. - T5B12

Which is equal to 28400 kHz?

SelectAnswer
A284.00 MHz
B28.400 kHz
C2.800 MHz
D28.400 MHz

20. - T5C01

What describes the ability to store energy in an electric field?

SelectAnswer
ACapacitance
BTolerance
CResistance
DInductance

21. - T5D01

What formula is used to calculate current in a circuit?

SelectAnswer
AI = E  R
BI = E - R
CI = E + R
DI = E / R

22. - T6A06

What type of electrical component stores energy in a magnetic field?

SelectAnswer
AInductor
BVaristor
CCapacitor
DDiode

23. - T6B04

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

SelectAnswer
ATransistor
BPentagrid converter
CAlternator
DTriode

24. - T6C09

What is component 4 in figure T-2?

SelectAnswer
AVariable inductor
BDouble-pole switch
CTransformer
DPotentiometer

25. - T6D02

What is a relay?

SelectAnswer
AA current controlled amplifier
BAn electrically-controlled switch
CA pass transistor
DAn inverting amplifier

26. - T7A10

What device increases the transmitted output power from a transceiver?

SelectAnswer
AAn RF power amplifier
BA voltage divider
CAll these choices are correct
DAn impedance network

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

SelectAnswer
ATalk farther away from the microphone
BTalk louder into the microphone
CLet the transceiver cool off
DChange to a higher power level

28. - T7C10

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

SelectAnswer
AUltraviolet and RF signals can mix, causing interference
BUltraviolet light can damage the jacket and allow water to enter the cable
CUltraviolet light can increase losses in the cable’s jacket
DUltraviolet resistant jackets prevent harmonic radiation

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

SelectAnswer
AIn series
BIn phase
CIn quadrature
DIn parallel

30. - T8A05

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

SelectAnswer
ACW
BFM voice
CSSB voice
DSlow-scan TV

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

SelectAnswer
ABlocking access by other users
BPossibility of rebooting the satellite control computer
CPossibility of commanding the satellite to an improper mode
DOverloading the satellite batteries

32. - T8C05

What is a grid locator?

SelectAnswer
AAn instrument for radio direction finding
BAn instrument for neutralizing a final amplifier
CA letter-number designator assigned to a geographic location
DA letter-number designator assigned to an azimuth and elevation

33. - T8D01

Which of the following is a digital communications mode?

SelectAnswer
AIEEE 802.11
BPacket radio
CAll these choices are correct
DFT8

34. - T9A06

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

SelectAnswer
AIsotropic
B5/8 wave vertical
CJ pole
DYagi

35. - T9B05

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

SelectAnswer
AThe characteristic impedance decreases
BThe loss decreases
CThe loss increases
DThe characteristic impedance increases

Figure T-2