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. - T0A12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

SelectAnswer
AEnsure that the circuit is grounded through the voltmeter
BEnsure that the voltmeter and leads are rated for use at the voltages to be measured
CEnsure that the voltmeter has very low impedance
DEnsure that the voltmeter is set to the correct frequency

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

SelectAnswer
AFCC Part 97 rules
BLocal electrical codes
CUL recommended practices
DFAA tower lighting regulations

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

SelectAnswer
AThe percentage of time that a transmitter is transmitting
BThe percentage of time that a transmitter is not transmitting
CThe difference between the lowest power output and the highest power output of a transmitter
DThe difference between the PEP and average power output of a transmitter

4. - T1A10

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

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

5. - T1B06

On which HF bands does a Technician class operator have phone privileges?

SelectAnswer
A80 meter, 40 meter, 15 meter, and 10 meter bands
BNone
C10 meter band only
D30 meter band only

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

SelectAnswer
AFrom within any country that is a member of the United Nations
BFrom any vessel or craft located in international waters and documented or registered in the United States
CFrom within any country that belongs to the International Telecommunication Union
DFrom anywhere within International Telecommunication Union (ITU) Regions 2 and 3

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

SelectAnswer
ATwo-way transmissions by amateur stations
BAny transmission made by the licensed station
CTransmission of messages directed only to amateur operators
DTransmissions intended for reception by the general public

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

SelectAnswer
AThe station custodian
BThe person operating the station equipment
CThe station licensee
DThe third party participant

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
CRepeater station
DMessage forwarding station

10. - T2A05

How should you respond to a station calling CQ?

SelectAnswer
ATransmit your call sign followed by the other station’s call sign
BTransmit "CQ" followed by the other station’s call sign
CTransmit the other station’s call sign followed by your call sign
DTransmit a signal report followed by your call sign

11. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

SelectAnswer
ACarrier squelch
BDTMF
CTone burst
DCTCSS

12. - T2C07

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

SelectAnswer
AAll these choices are correct
BRecord the time of each of your transmissions
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. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

SelectAnswer
AEither vertically or horizontally polarized antennas may be used for transmission or reception
BDigital modes are unusable
CBoth the transmitting and receiving antennas must be of the same polarization
DFM voice is unusable

14. - T3B09

What frequency range is referred to as UHF?

SelectAnswer
A300 to 3000 MHz
B300 to 3000 kHz
C30 to 300 MHz
D30 to 300 kHz

15. - T3C02

What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

SelectAnswer
ALong-distance ionospheric propagation is far more common on HF
BThere is less atmospheric interference (static) on HF
CHF antennas are generally smaller
DHF accommodates wider bandwidth signals

16. - T4A07

Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

SelectAnswer
AComputer “line in” to transceiver speaker connector
BComputer “line in” to transceiver push-to-talk
CComputer “line out” to transceiver push-to-talk
DComputer “line out” to transceiver speaker connector

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

SelectAnswer
APermits monitoring several modes at once by selecting a separate filter for each mode
BPermits noise or interference reduction by selecting a bandwidth matching the mode
CIncreases the number of frequencies that can be stored in memory
DIncreases the amount of offset between receive and transmit frequencies

18. - T5A01

Electrical current is measured in which of the following units?

SelectAnswer
AVolts
BWatts
CAmperes
DOhms

19. - T5B05

Which is equal to 500 milliwatts?

SelectAnswer
A5 watts
B0.02 watts
C0.5 watts
D50 watts

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

SelectAnswer
A14.5 watts
B0.208 watts
C4.8 watts
D30 watts

21. - T5D14

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

SelectAnswer
ABranch
BResonant
CParallel
DSeries

22. - T6A04

What electrical component stores energy in an electric field?

SelectAnswer
ACapacitor
BVaristor
CDiode
DInductor

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

SelectAnswer
AWith the word "cathode"
BWith the letter K
CWith a stripe
DWith the letter C

24. - T6C06

What is component 6 in figure T-2?

SelectAnswer
AResistor
BCapacitor
CRegulator IC
DTransistor

25. - T6D11

Which of the following is a resonant or tuned circuit?

SelectAnswer
AA linear voltage regulator
BA resistor circuit used for reducing standing wave ratio
CA circuit designed to provide high-fidelity audio
DAn inductor and a capacitor in series or parallel

26. - T7A04

Which term describes the ability of a receiver to discriminate between multiple signals?

SelectAnswer
ADiscrimination ratio
BHarmonic distortion
CSelectivity
DSensitivity

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 high-pass filter to the TV antenna input
BAdd a low-pass filter to the TV antenna input
CAdd a preamplifier to the TV antenna input
DBe sure all TV feed line coaxial connectors are installed properly

28. - T7C03

What does a dummy load consist of?

SelectAnswer
AA high-gain amplifier and a TR switch
BA low-voltage power supply and a DC relay
CA non-inductive resistor mounted on a heat sink
DA 50-ohm reactance used to terminate a transmission line

29. - T7D07

Which of the following measurements are made using a multimeter?

SelectAnswer
ASignal strength and noise
BImpedance and reactance
CVoltage and resistance
DAll these choices are correct

30. - T8A12

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

SelectAnswer
AAll these choices are correct
BVoice quality is poorer
CFM signals are harder to tune
DOnly one signal can be received at a time

31. - T8B12

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

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

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

SelectAnswer
APhase locking
BRadio direction finding
CDoppler radar
DEcholocation

33. - T8D01

Which of the following is a digital communications mode?

SelectAnswer
AAll these choices are correct
BFT8
CIEEE 802.11
DPacket radio

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

SelectAnswer
AIt has low efficiency
BIt is mechanically fragile
CAll these choices are correct
DIt transmits only circularly polarized signals

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

SelectAnswer
AAll these choices are correct
BMultiple connectors in the line
CHigh SWR
DWater intrusion into coaxial connectors

Figure T-2