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

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

SelectAnswer
ACommon grounds must be avoided
BWires must be carefully routed with precise right-angle bends
CSharp bends must be avoided
DUse only non-insulated wire

3. - T0C07

What hazard is created by touching an antenna during a transmission?

SelectAnswer
ARadiation poisoning
BElectrocution
CAll these choices are correct
DRF burn to skin

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

SelectAnswer
AA radio service using amateur stations for emergency management or civil defense communications
BA radio service using amateur frequencies for emergency management or civil defense communications
CAn emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
DAll these choices are correct

5. - T1B04

Which amateur band includes 146.52 MHz?

SelectAnswer
A6 meters
B20 meters
C70 centimeters
D2 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
ANo, you must wait until the license has been renewed
BYes, for up to two years
CYes, for up to one year
DYes, as soon as you apply for renewal

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

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
BOperating the station over the internet
CAll these choices are correct
DRepeater operation

9. - T1F08

What is the definition of third party communications?

SelectAnswer
AOperation when the transmitting equipment is licensed to a person other than the control operator
BA message from a control operator to another amateur station control operator on behalf of another person
CTemporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
DAmateur radio communications where three stations are in communications with one another

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

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

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

SelectAnswer
AJoin the repeater owner’s club
BRegister your radio with the local FCC office
CSign your call after the courtesy tone
DProgram your radio with the group’s ID or code

12. - T2C01

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

SelectAnswer
AFCC rules always apply
BWhen operating under special FEMA rules
CWhen operating a RACES station
DWhen operating under special ARES rules

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

SelectAnswer
APolarization rotation
BAmplification
CAbsorption
DKnife-edge diffraction

14. - T3B04

What is the velocity of a radio wave traveling through free space?

SelectAnswer
ASpeed inversely proportional to its wavelength
BSpeed of sound
CSpeed of light
DSpeed that increases as the frequency increases

15. - T3C09

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

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

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

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

SelectAnswer
AIncreased SWR
BAll these choices are correct
CFrequency instability
DDistorted transmitted audio

18. - T5A04

What are the units of electrical resistance?

SelectAnswer
ACoulombs
BSiemens
COhms
DMhos

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C07

What is the abbreviation for megahertz?

SelectAnswer
Amh
BMH
CMHz
DMhz

21. - T5D02

What formula is used to calculate voltage in a circuit?

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

22. - T6A06

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

SelectAnswer
ADiode
BCapacitor
CVaristor
DInductor

23. - T6B09

What are the names for the electrodes of a diode?

SelectAnswer
AGate and base
BPlus and minus
CAnode and cathode
DSource and drain

24. - T6C12

Which of the following is accurately represented in electrical schematics?

SelectAnswer
AWire lengths
BComponent connections
CAll these choices are correct
DPhysical appearance of components

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

SelectAnswer
ARectifier
BTransformer
CAmplifier
DReflector

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

SelectAnswer
ASensitivity
BTotal Harmonic Distortion
CLinearity
DSelectivity

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

SelectAnswer
AAdd a preamplifier to the TV antenna input
BAdd a high-pass filter to the TV antenna input
CBe sure all TV feed line coaxial connectors are installed properly
DAdd a low-pass filter to the TV antenna input

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

SelectAnswer
A50:50
BZero
C1:1
DFull Scale

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

SelectAnswer
ADark black spots
BA rough or lumpy surface
CExcessive solder
DA bright or shiny surface

30. - T8A02

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

SelectAnswer
ASSB
BPSK
CAM
DFM or PM

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

SelectAnswer
ACheck your signal strength report in the telemetry data
BAll these choices are correct
CYour signal strength on the downlink should be about the same as the beacon
DListen for distortion on your downlink signal

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

SelectAnswer
AA technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
BA method of delivering voice communications over the internet using digital techniques
CA technique employed to “spot” DX stations via the internet
DA set of rules specifying how to identify your station when linked over the internet to another station

33. - T8D03

What kind of data can be transmitted by APRS?

SelectAnswer
AWeather data
BText messages
CAll these choices are correct
DGPS position data

34. - T9A10

In which direction does a half-wave dipole antenna radiate the strongest signal?

SelectAnswer
AOff the ends of the antenna
BBroadside to the antenna
CIn the direction of the feed line
DEqually in all directions

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

SelectAnswer
AThey are commonly used at HF and VHF frequencies
BThey are watertight
CThey are preferred for microwave operation
DThey are a bayonet-type connector