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. - T0A07

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

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

2. - T0B08

Which is a proper grounding method for a tower?

SelectAnswer
AA single four-foot ground rod, driven into the ground no more than 12 inches from the base
BSeparate eight-foot ground rods for each tower leg, bonded to the tower and each other
CA ferrite-core RF choke connected between the tower and ground
DA connection between the tower base and a cold water pipe

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

SelectAnswer
ARF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
BRF radiation is limited in range to a few feet
CRF radiation can only be detected with an RF dosimeter
DRF radiation is perfectly safe

4. - T1A07

What is the FCC Part 97 definition of a space station?

SelectAnswer
AAny satellite orbiting Earth
BAn amateur station located more than 50 km above Earth's surface
CAn amateur station using amateur radio satellites for relay of signals
DA manned satellite orbiting Earth

5. - T1B02

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

SelectAnswer
AAny amateur holding a General class or higher license
BAny amateur holding a Technician class or higher license
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 who has applied for and received approval from NASA

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

SelectAnswer
AAny licensed amateur
BOnly a licensed amateur with a General or Amateur Extra Class license
COnly a licensed amateur with an Amateur Extra Class license
DOnly a licensed amateur who has been licensed continuously for more than 10 years

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

SelectAnswer
ANever
BOnly during contests
COnly when transmitting control commands to space stations or radio control craft
DOnly when transmitting certain approved digital codes

8. - T1E01

When may an amateur station transmit without a control operator?

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

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

SelectAnswer
AAll these choices are correct
BThe club must have at least four members
CThe club must be registered with the American Radio Relay League
DThe trustee must have an Amateur Extra Class operator license grant

10. - T2A07

What is meant by "repeater offset”?

SelectAnswer
AThe repeater station identification is done on a separate frequency
BThe number of simultaneous transmit frequencies used by a repeater
CThe repeater has a time delay to prevent interference
DThe difference between a repeater’s transmit and receive frequencies

11. - T2B03

Which of the following describes a linked repeater network?

SelectAnswer
AMultiple repeaters with the same control operator
BA network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network
CA single repeater with more than one receiver
DA system of repeaters linked by APRS

12. - T2C10

What information is contained in the preamble of a formal traffic message?

SelectAnswer
AThe email address of the originating station
BInformation needed to track the message
CThe telephone number of the addressee
DThe address of the intended recipient

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

SelectAnswer
AVertical
BLeft-hand circular
CRight-hand circular
DHorizontal

14. - T3B10

What frequency range is referred to as HF?

SelectAnswer
A300 to 3000 MHz
B30 to 300 MHz
C3 to 30 MHz
D300 to 3000 kHz

15. - T3C07

What band is best suited for communicating via meteor scatter?

SelectAnswer
A2 meters
B33 centimeters
C70 centimeters
D6 meters

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

SelectAnswer
ATo avoid RF interference
BAll these choices are correct
CTo provide a good counterpoise for the antenna
DTo minimize voltage drop when transmitting

17. - T4B07

What does a DMR “code plug” contain?

SelectAnswer
AYour call sign in CW for automatic identification
BAccess information for repeaters and talkgroups
CThe codec for digitizing audio
DThe DMR software version

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

SelectAnswer
AWavelength
BSpeed
CFrequency
DPulse rate

19. - T5B08

Which is equal to 1,000,000 picofarads?

SelectAnswer
A1,000,000,000 microfarads
B1 microfarad
C0.001 microfarads
D1000 microfarads

20. - T5C07

What is the abbreviation for megahertz?

SelectAnswer
AMhz
BMHz
CMH
Dmh

21. - T5D14

In which type of circuit is voltage the same across all components?

SelectAnswer
AParallel
BBranch
CSeries
DResonant

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

SelectAnswer
ADouble-pole single-throw
BDouble-pole double-throw
CSingle-pole double-throw
DSingle-pole single-throw

23. - T6B05

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

SelectAnswer
ABipolar junction
BField-effect
CTesla-effect
DVaristor

24. - T6C07

What is component 8 in figure T-2?

SelectAnswer
ALight emitting diode
BRegulator IC
CInductor
DResistor

25. - T6D08

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

SelectAnswer
AZener diode
BPotentiometer
CResistor
DCapacitor

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

SelectAnswer
AInverter
BMixer
CAmplifier
DPhase splitter

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

SelectAnswer
AReports of garbled, distorted, or unintelligible voice transmissions
BExcessive SWR at the antenna connection
CThe transmitter will not stay on the desired frequency
DFrequent blowing of power supply fuses

28. - T7C02

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

SelectAnswer
AA VTVM
BAn antenna analyzer
CA Q meter
DA frequency counter

29. - T7D09

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

SelectAnswer
AA rough or lumpy surface
BExcessive solder
CDark black spots
DA bright or shiny surface

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

SelectAnswer
ASSB signals are easier to tune in correctly
BAll these choices are correct
CSSB signals have narrower bandwidth
DSSB signals are less susceptible to interference

31. - T8B09

What causes spin fading of satellite signals?

SelectAnswer
ARotation of the satellite and its antennas
BDoppler shift of the received signal
CCircular polarized noise interference radiated from the sun
DInterfering signals within the satellite uplink band

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

SelectAnswer
AA system for providing access to websites via amateur radio
BA technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
CA system for informing amateurs in real time of the frequency of active DX stations
DA technique for measuring signal strength of an amateur transmitter via the internet

33. - T8D07

Which of the following describes DMR?

SelectAnswer
AAn automatic computer logging technique for hands-off logging when communicating while operating a vehicle
BA digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
CAn automatic position tracking mode for FM mobiles communicating through repeaters
DA technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel

34. - T9A01

What is a beam antenna?

SelectAnswer
AAn antenna built from aluminum I-beams
BAn antenna that concentrates signals in one direction
CAn omnidirectional antenna invented by Clarence Beam
DAn antenna that reverses the phase of received signals

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

SelectAnswer
AIt is easy to use and requires few special installation considerations
BIt is less expensive than any other type of feed line
CIt has less loss than any other type of feed line
DIt can handle more power than any other type of feed line

Figure T-2