Anonymous User

Hamboozler

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

Logging in (or registering) will help the system to select questions that you need to focus on.

1. - T0A01

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

SelectAnswer
AAll these choices are correct
BShorting the terminals can cause burns, fire, or an explosion
CTouching both terminals with the hands can cause electrical shock
DRF emissions from a nearby transmitter can cause the electrolyte to emit poison gas

2. - T0B09

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

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

3. - T0C01

What type of radiation are radio signals?

SelectAnswer
AAlpha radiation
BNon-ionizing radiation
CIonizing radiation
DGamma radiation

4. - T1A06

What is the FCC Part 97 definition of a beacon?

SelectAnswer
AA government transmitter marking the amateur radio band edges
BA continuous transmission of weather information authorized in the amateur bands by the National Weather Service
CAn amateur station transmitting communications for the purposes of observing propagation or related experimental activities
DA bulletin sent by the FCC to announce a national emergency

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

6. - T1C04

What may happen if the FCC is unable to reach you by email?

SelectAnswer
ARevocation of the station license or suspension of the operator license
BFine and suspension of operator license
CNothing; there is no such requirement
DRevocation of access to the license record in the FCC system

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

SelectAnswer
AThe ITU maintains a list of words that are not permitted to be used on amateur frequencies
BThe FCC maintains a list of words that are not permitted to be used on amateur frequencies
CThere is no such prohibition
DAny such language is prohibited

8. - T1E01

When may an amateur station transmit without a control operator?

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

9. - T1F03

When are you required to transmit your assigned call sign?

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

10. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

SelectAnswer
ASimplex
BDiplex
CFull duplex
DMultiplex

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

SelectAnswer
AIdentifies the codec used
BMust match the repeater color code for access
CDefines the frequency pair to use
DDefines the minimum signal level required for access

12. - T2C07

Which of the following is standard practice when you participate in a net?

SelectAnswer
ARecord the time of each of your transmissions
BAll these choices are correct
CUnless you are reporting an emergency, transmit only when directed by the net control station
DWhen first responding to the net control station, transmit your call sign, name, and address as in the FCC database

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
BChange from vertical to horizontal polarization
CTry the long path
DTry to find a path that reflects signals to the repeater

14. - T3B10

What frequency range is referred to as HF?

SelectAnswer
A3 to 30 MHz
B300 to 3000 MHz
C30 to 300 MHz
D300 to 3000 kHz

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

SelectAnswer
AFaraday rotation
BDoppler shift
CQuantum tunneling
DKnife-edge diffraction

16. - T4A04

How are the transceiver audio input and output connected in a station configured to operate using FT8?

SelectAnswer
ATo a computer connected to the FT8converter.com website
BTo an FT8 conversion unit, a keyboard, and a computer monitor
CTo the audio input and output of a computer running WSJT-X software
DTo a computer running a terminal program and connected to a terminal node controller unit

17. - T4B09

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

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

18. - T5A06

What is the unit of frequency?

SelectAnswer
AFarad
BHenry
CTesla
DHertz

19. - T5B01

How many milliamperes is 1.5 amperes?

SelectAnswer
A1500 milliamperes
B15,000 milliamperes
C15 milliamperes
D150 milliamperes

20. - T5C01

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

SelectAnswer
AResistance
BCapacitance
CInductance
DTolerance

21. - T5D09

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

SelectAnswer
A216 amperes
B10 amperes
C0.1 amperes
D24,000 amperes

22. - T6A10

Which of the following battery chemistries is rechargeable?

SelectAnswer
ANickel-metal hydride
BAll these choices are correct
CLithium-ion
DLead-acid

23. - T6B05

What type of transistor has a gate, drain, and source?

SelectAnswer
AVaristor
BField-effect
CBipolar junction
DTesla-effect

24. - T6C05

What is component 4 in figure T-1?

SelectAnswer
ABattery
BTransistor
CGround symbol
DResistor

25. - T6D03

Which of the following is a reason to use shielded wire?

SelectAnswer
ATo decrease the resistance of DC power connections
BTo couple the wire to other signals
CTo prevent coupling of unwanted signals to or from the wire
DTo increase the current carrying capability of the wire

26. - T7A06

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

SelectAnswer
AHigh-pass filter
BPhase converter
CLow-pass filter
DTransverter

27. - T7B08

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

SelectAnswer
AAll these choices are correct
BWork with your neighbor to identify the offending device
CPolitely inform your neighbor that FCC rules prohibit the use of devices that cause interference
DMake sure your station meets the standards of good amateur practice

28. - T7C04

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

SelectAnswer
A1:1
BZero
C50:50
DFull Scale

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

SelectAnswer
ARosin-core solder
BTin-copper solder
CAcid-core solder
DLead-tin solder

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

SelectAnswer
AOnly one signal can be received at a time
BFM signals are harder to tune
CAll these choices are correct
DVoice quality is poorer

31. - T8B05

What is a satellite beacon?

SelectAnswer
AA reflective surface on the satellite
BThe primary transmit antenna on the satellite
CA transmission from a satellite that contains status information
DAn indicator light that shows where to point your antenna

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

SelectAnswer
AAll these choices are correct
BContact the station twice to be sure that you are in his log
CSign only the last two letters of your call if there are many other stations calling
DSend only the minimum information needed for proper identification and the contest exchange

33. - T8D06

What does the abbreviation "PSK" mean?

SelectAnswer
APhased Slide Keying
BPacket Short Keying
CPulse Shift Keying
DPhase Shift Keying

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

SelectAnswer
AA horizontally polarized antenna
BA ground-wave antenna
CA vertically polarized antenna
DA travelling-wave antenna

35. - T9B12

What is standing wave ratio (SWR)?

SelectAnswer
AThe ratio of amplifier power output to input
BAn indication of the quality of your station’s ground connection
CThe transmitter efficiency ratio
DA measure of how well a load is matched to a transmission line

Figure T-1