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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

SelectAnswer
AOverheating or out-gassing
BExcess output ripple
CInverse memory effect
DHalf-wave rectification

2. - T0B10

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

SelectAnswer
ASharp bends must be avoided
BUse only non-insulated wire
CCommon grounds must be avoided
DWires must be carefully routed with precise right-angle bends

3. - T0C01

What type of radiation are radio signals?

SelectAnswer
AGamma radiation
BNon-ionizing radiation
CIonizing radiation
DAlpha radiation

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

SelectAnswer
AAll these choices are correct
BThe FCC
CFEMA
DHomeland Security

5. - T1B04

Which amateur band includes 146.52 MHz?

SelectAnswer
A20 meters
B70 centimeters
C6 meters
D2 meters

6. - T1C05

Which of the following is a valid Technician class call sign format?

SelectAnswer
AKF1XXX
BKA1X
CW1XX
DAll these choices are correct

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

SelectAnswer
AAny country banned from such communications by the International Amateur Radio Union (IARU)
BAny country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
CAny country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
DAny country banned from making such communications by the American Radio Relay League (ARRL)

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

SelectAnswer
AThe frequency authorized by the frequency coordinator
BThe highest class of operator license held by anyone on the premises
CThe frequencies printed on the license grant
DThe class of operator license held by the control operator

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

SelectAnswer
AEarth station
BBeacon station
CMessage forwarding station
DRepeater station

10. - T2A12

What should you do before calling CQ?

SelectAnswer
AListen first to be sure that no one else is using the frequency
BAsk if the frequency is in use
CAll these choices are correct
DMake sure you are authorized to use that frequency

11. - T2B06

What type of signaling uses pairs of audio tones?

SelectAnswer
ACTCSS
BDTMF
CGPRS
DD-STAR

12. - T2C03

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

SelectAnswer
ASpell the words using a standard phonetic alphabet
BSend the words by voice and Morse code
CAll these choices are correct
DSpeak very loudly into the microphone

13. - T3A03

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

SelectAnswer
ARight-hand circular
BLeft-hand circular
CVertical
DHorizontal

14. - T3B03

What are the two components of a radio wave?

SelectAnswer
AVoltage and current
BImpedance and reactance
CIonizing and non-ionizing radiation
DElectric and magnetic fields

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 low sunspot activity
BFrom shortly after sunset to dawn during periods of high sunspot activity
CFrom shortly after sunset to dawn during periods of low sunspot activity
DFrom dawn to shortly after sunset during periods of high 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
B24.0 volts at 12 amperes
C24.0 volts at 4 amperes
D13.8 volts at 4 amperes

17. - T4B07

What does a DMR “code plug” contain?

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

18. - T5A06

What is the unit of frequency?

SelectAnswer
AHenry
BFarad
CTesla
DHertz

19. - T5B06

Which is equal to 3000 milliamperes?

SelectAnswer
A0.003 amperes
B3,000,000 amperes
C3 amperes
D0.3 amperes

20. - T5C03

What describes the ability to store energy in a magnetic field?

SelectAnswer
ACapacitance
BAdmittance
CInductance
DResistance

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

SelectAnswer
A8 ohms
B0.125 ohms
C13.5 ohms
D18 ohms

22. - T6A10

Which of the following battery chemistries is rechargeable?

SelectAnswer
ALead-acid
BLithium-ion
CAll these choices are correct
DNickel-metal hydride

23. - T6B04

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

SelectAnswer
AAlternator
BPentagrid converter
CTransistor
DTriode

24. - T6C08

What is component 9 in figure T-2?

SelectAnswer
AVariable inductor
BVariable resistor
CVariable capacitor
DVariable transformer

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

SelectAnswer
AFilter
BPhase inverter
COscillator
DRegulator

26. - T7A01

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

SelectAnswer
ASelectivity
BTotal Harmonic Distortion
CSensitivity
DLinearity

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

SelectAnswer
AYour batteries are running low
BAll these choices are correct
CYou are in a bad location
DYour transmitter is slightly off frequency

28. - T7C10

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

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

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

SelectAnswer
AAlternating between open and short circuit
BIncreasing resistance with time
CDecreasing resistance with time
DSteady full-scale reading

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
BVoice quality is poorer
CFM signals are harder to tune
DAll these choices are correct

31. - T8B03

Which of the following are provided by satellite tracking programs?

SelectAnswer
AMaps showing the real-time position of the satellite track over Earth
BThe apparent frequency of the satellite transmission, including effects of Doppler shift
CThe time, azimuth, and elevation of the start, maximum altitude, and end of a pass
DAll these choices are correct

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

SelectAnswer
AContesting
BNet operations
CPublic service events
DSimulated emergency exercises

33. - T8D03

What kind of data can be transmitted by APRS?

SelectAnswer
AGPS position data
BWeather data
CAll these choices are correct
DText messages

34. - T9A06

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

SelectAnswer
AIsotropic
BYagi
C5/8 wave vertical
DJ pole

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 can handle more power than any other type of feed line
DIt has less loss than any other type of feed line

Figure T-2