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

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1. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

SelectAnswer
ATouching both terminals with the hands can cause electrical shock
BAll these choices are correct
CRF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
DShorting the terminals can cause burns, fire, or an explosion

2. - T0B04

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

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

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

SelectAnswer
ARelocate the transmitter
BAll these choices are correct
CIncrease the duty cycle
DRelocate antennas

4. - T1A04

How many operator/primary station license grants may be held by any one person?

SelectAnswer
AOne for each permanent station location from which the person plans to operate
BOne for each band on which the person plans to operate
COne
DNo more than two

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

SelectAnswer
AIn at least some segment of all these bands
BOnly in sub-bands allocated to General class or higher licensees
COnly on repeaters
DOn any band if the power is limited to 25 watts

6. - T1C09

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

SelectAnswer
ATen years
BFive years
CTwo years
DThree years

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

SelectAnswer
ATelecommand or transmissions of telemetry
BIn all circumstances
CBroadcasting
DInternational Morse Code Practice

8. - T1E05

What is an amateur station’s control point?

SelectAnswer
AThe mailing address of the station licensee
BThe location of the station’s transmitting apparatus
CThe location of the station’s transmitting antenna
DThe location at which the control operator function is performed

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

10. - T2A03

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

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

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

SelectAnswer
ASo stations within range of each other can communicate without tying up a repeater
BSo stations with simple transmitters can access the repeater without automated offset
CFor working DX only
DFor contest operation

12. - T2C03

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

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

13. - T3A06

What is the meaning of the term “picket fencing”?

SelectAnswer
AA type of ground system used with vertical antennas
BLocal vs long-distance communications
CAlternating transmissions during a net operation
DRapid flutter on mobile signals due to multipath propagation

14. - T3B11

What is the approximate velocity of a radio wave in free space?

SelectAnswer
A300,000,000 meters per second
B150,000 meters per second
C150,000 miles per hour
D300,000,000 miles per hour

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

SelectAnswer
AAll these choices are correct
B6 and 10 meters
C70 centimeters and 1.25 meters
D23 centimeters

16. - T4A01

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

SelectAnswer
A13.8 volts at 4 amperes
B13.8 volts at 12 amperes
C24.0 volts at 12 amperes
D24.0 volts at 4 amperes

17. - T4B05

What does the scanning function of an FM transceiver do?

SelectAnswer
APrevents interference to nearby repeaters
BChecks for messages left on a digital bulletin board
CTunes through a range of frequencies to check for activity
DChecks incoming signal deviation

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. - T5B04

Which is equal to one microvolt?

SelectAnswer
AOne million volts
BOne one-millionth of a volt
COne one-thousandth of a volt
DOne thousand kilovolts

20. - T5C07

What is the abbreviation for megahertz?

SelectAnswer
Amh
BMhz
CMH
DMHz

21. - T5D02

What formula is used to calculate voltage in a circuit?

SelectAnswer
AE = I x R
BE = I / R
CE = I - R
DE = I + R

22. - T6A01

What electrical component opposes the flow of current in a DC circuit?

SelectAnswer
AResistor
BInverter
CTransformer
DInductor

23. - T6B02

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

SelectAnswer
ADriven element
BResistor
CDiode
DFuse

24. - T6C01

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

SelectAnswer
ABill of materials
BConnector pinout
CSchematic
DFlow chart

25. - T6D07

Which of the following is commonly used as a visual indicator?

SelectAnswer
AZener diode
BBipolar transistor
CLED
DFET

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

SelectAnswer
ALow-pass filtering
BOscillation
CModulation
DImpedance matching

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

SelectAnswer
AMake sure your station meets the standards of good amateur practice
BPolitely inform your neighbor that FCC rules prohibit the use of devices that cause interference
CAll these choices are correct
DWork with your neighbor to identify the offending device

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

SelectAnswer
AA VTVM
BA Q meter
CAn antenna analyzer
DA frequency counter

29. - T7D03

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

SelectAnswer
AIn quadrature
BIn parallel
CIn series
DIn phase

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

SelectAnswer
APSK
BSSB
CFM or PM
DAM

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

SelectAnswer
AThe satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
BThe satellite frequencies are usually variable
CThe satellite operates using ultraviolet frequencies
DThe satellite uplink is in the 15 meter band and the downlink is in the 10 meter band

32. - T8C06

How is over the air access to IRLP nodes accomplished?

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

33. - T8D01

Which of the following is a digital communications mode?

SelectAnswer
AIEEE 802.11
BFT8
CPacket radio
DAll these choices are correct

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

SelectAnswer
A19
B12
C50
D112

35. - T9B02

What is the most common impedance of coaxial cables used in amateur radio?

SelectAnswer
A8 ohms
B600 ohms
C12 ohms
D50 ohms