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

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1. - T0A10

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

SelectAnswer
AExcess output ripple
BHalf-wave rectification
CInverse memory effect
DOverheating or out-gassing

2. - T0B02

What is required when climbing an antenna tower?

SelectAnswer
AAlways wear an approved climbing harness
BAll these choices are correct
CHave sufficient training on safe tower climbing techniques
DUse appropriate tie-off to the tower at all times

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

SelectAnswer
AIt affects the average exposure to radiation
BIt takes into account the thermal effects of the final amplifier
CIt affects the peak exposure to radiation
DIt takes into account the antenna feed line loss

4. - T1A10

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

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

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

6. - T1C01

For which license classes are new licenses currently available from the FCC?

SelectAnswer
ATechnician, General, Amateur Extra
BNovice, Technician Plus, General, Advanced
CTechnician, Technician Plus, General, Amateur Extra
DNovice, Technician, General, Amateur Extra

7. - T1D11

When may an amateur station transmit without identifying on the air?

SelectAnswer
AWhen transmitting signals to control model craft
BWhen the transmitted power level is below 1 watt
CWhen the transmissions are of a brief nature to make station adjustments
DWhen the transmissions are unmodulated

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

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

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

SelectAnswer
AThe licensed control operator must do the station identification
BThe person must be a U.S. citizen
CThe foreign station must be in a country with which the U.S. has a third party agreement
DAll these choices are correct

10. - T2A01

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

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

11. - T2B11

Which Q signal indicates that you are changing frequency?

SelectAnswer
AQSL
BQRU
CQRZ
DQSY

12. - T2C11

What is meant by “check” in a radiogram header?

SelectAnswer
AThe number of words or word equivalents in the text portion of the message
BA list of stations that have relayed the message
CThe call sign of the originating station
DA box on the message form that indicates that the message was received and/or relayed

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

SelectAnswer
AThe mesosphere
BThe ionosphere
CThe stratosphere
DThe troposphere

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

SelectAnswer
AUHF signals are absorbed by the ionospheric D region
BFCC regulations prohibit them from going more than 50 miles
CThey are too weak to go very far
DUHF signals are usually not propagated by the ionosphere

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

SelectAnswer
AThe distance that the meter will be located from the antenna
BThe frequency and power level at which the measurements will be made
CThe types of modulation being used at the station
DAll these choices are correct

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

SelectAnswer
AThe tone squelch
BThe RIT or Clarifier
CThe AGC or limiter
DThe bandwidth selection

18. - T5A04

What are the units of electrical resistance?

SelectAnswer
ASiemens
BMhos
COhms
DCoulombs

19. - T5B07

Which is equal to 3.525 MHz?

SelectAnswer
A35.25 kHz
B3525 kHz
C0.003525 kHz
D3,525,000 kHz

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

SelectAnswer
AP = I + E
BP = E / I
CP = I  E
DP = E – I

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
A13.5 ohms
B18 ohms
C0.125 ohms
D8 ohms

22. - T6A07

What electrical component is typically constructed as a coil of wire?

SelectAnswer
ACapacitor
BInductor
CSwitch
DDiode

23. - T6B09

What are the names for the electrodes of a diode?

SelectAnswer
AAnode and cathode
BPlus and minus
CSource and drain
DGate and base

24. - T6C02

What is component 1 in figure T-1?

SelectAnswer
AResistor
BBattery
CTransistor
DConnector

25. - T6D08

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

SelectAnswer
ACapacitor
BZener diode
CResistor
DPotentiometer

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

SelectAnswer
APhase modulator
BOscillator
CLow-pass filter
DReactance modulator

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

SelectAnswer
AThe receiver is unable to reject strong signals outside the AM or FM band
BThe microphone gain of the transmitter is turned up too high
CThe deviation of an FM transmitter is set too low
DThe audio amplifier of the transmitter is overloaded

28. - T7C02

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

SelectAnswer
AAn antenna analyzer
BA Q meter
CA frequency counter
DA VTVM

29. - T7D01

Which instrument would you use to measure electric potential?

SelectAnswer
AA voltmeter
BAn ohmmeter
CA wavemeter
DAn ammeter

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

SelectAnswer
APM
BFM
CDRM
DSSB

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

SelectAnswer
AHealth and status of the satellite
BTime of day accurate to plus or minus 1/10 second
CAll these choices are correct
DThe signal strength of received signals

32. - T8C04

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

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

33. - T8D03

What kind of data can be transmitted by APRS?

SelectAnswer
AText messages
BWeather data
CGPS position data
DAll these choices are correct

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

SelectAnswer
AThe bandwidth of the antenna will decrease, increasing SWR
BThe SWR might decrease, decreasing the signal strength
CSignal strength is reduced due to the shielding effect of the vehicle
DAll these choices are correct

35. - T9B04

What is the major function of an antenna tuner (antenna coupler)?

SelectAnswer
AIt matches the antenna system impedance to the transceiver's output impedance
BIt allows an antenna to be used on both transmit and receive
CIt helps a receiver automatically tune in weak stations
DIt automatically selects the proper antenna for the frequency band being used

Figure T-1