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

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

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1. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	The larger fuse would be likely to blow because it is rated for higher current
B	All these choices are correct
C	Excessive current could cause a fire
D	The power supply ripple would greatly increase

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	When the work being done is not more than 20 feet above the ground
B	Never
C	When no electrical work is being performed
D	When no mechanical work is being performed

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

Select	Answer
A	440 MHz
B	50 MHz
C	1296 MHz
D	3.5 MHz

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	FCC Regional Field Office
B	Frequency Spectrum Manager appointed by the FCC
C	International Telecommunication Union
D	Volunteer Frequency Coordinator recognized by local amateurs

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

Select	Answer
A	Only on repeaters
B	Only in sub-bands allocated to General class or higher licensees
C	On any band if the power is limited to 25 watts
D	In at least some segment of all these bands

6. - T1C10

How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

Select	Answer
A	As soon as your operator/station license grant appears on the ARRL website
B	As soon as you receive your license in the mail from the FCC
C	As soon as your operator/station license grant appears in the FCC’s license database
D	Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)

7. - T1D11

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

Select	Answer
A	When the transmissions are unmodulated
B	When the transmitted power level is below 1 watt
C	When the transmissions are of a brief nature to make station adjustments
D	When transmitting signals to control model craft

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Using a computer or other device to identify automatically
B	Repeater operation
C	Using a computer or other device to send CW automatically
D	Controlling a station over the internet

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?

Select	Answer
A	The person must be a U.S. citizen
B	The licensed control operator must do the station identification
C	The foreign station must be in a country with which the U.S. has a third party agreement
D	All these choices are correct

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

Select	Answer
A	Plus or minus 5 MHz
B	Plus or minus 600 kHz
C	Plus or minus 1 MHz
D	Plus or minus 500 kHz

11. - T2B11

Which Q signal indicates that you are changing frequency?

Select	Answer
A	QSY
B	QSL
C	QRU
D	QRZ

12. - T2C07

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

Select	Answer
A	All these choices are correct
B	Unless you are reporting an emergency, transmit only when directed by the net control station
C	Record the time of each of your transmissions
D	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Polarization rotation
B	Amplification
C	Knife-edge diffraction
D	Absorption

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Ionizing and non-ionizing radiation
B	Impedance and reactance
C	Voltage and current
D	Electric and magnetic fields

15. - T3C05

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

Select	Answer
A	Faraday rotation
B	Quantum tunneling
C	Doppler shift
D	Knife-edge diffraction

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
B	Divide the battery ampere-hour rating by the average current draw of the equipment
C	Multiply the watts per hour consumed by the equipment by the battery power rating
D	Multiply the square of the current rating of the battery by the input resistance of the equipment

17. - T4B05

What does the scanning function of an FM transceiver do?

Select	Answer
A	Tunes through a range of frequencies to check for activity
B	Prevents interference to nearby repeaters
C	Checks incoming signal deviation
D	Checks for messages left on a digital bulletin board

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Tesla
B	Henry
C	Hertz
D	Farad

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	2425 GHz
B	2.425 GHz
C	0.002425 GHz
D	24.25 GHz

20. - T5C02

What is the unit of capacitance?

Select	Answer
A	The ohm
B	The farad
C	The henry
D	The volt

21. - T5D01

What formula is used to calculate current in a circuit?

Select	Answer
A	I = E + R
B	I = E  R
C	I = E - R
D	I = E / R

22. - T6A12

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

Select	Answer
A	Single-pole single-throw
B	Double-pole double-throw
C	Double-pole single-throw
D	Single-pole double-throw

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Input, output, supply
B	Signal, bias, power
C	Pole one, pole two, output
D	Emitter, base, collector

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Variable capacitor
B	Variable inductor
C	Connector
D	Meter

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Transformer
B	Transducer
C	Multi-pole relay
D	Integrated circuit

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Input for a key used to send CW
B	Switches transceiver from receive to transmit when grounded
C	Provides a transmit tuning tone when grounded
D	Input for a preamplifier tuning tone

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Using double-shielded coaxial cable
B	Installing an RF preamplifier
C	Installing bypass capacitors on the microphone cable
D	Installing a band-reject filter

28. - T7C04

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

Select	Answer
A	1:1
B	Zero
C	Full Scale
D	50:50

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Impedance and reactance
B	Voltage and resistance
C	All these choices are correct
D	Signal strength and noise

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Single sideband
B	Packet radio
C	Spread spectrum
D	Phase shift keying (PSK)

31. - T8B10

What is a LEO satellite?

Select	Answer
A	A sun synchronous satellite
B	A satellite in low energy operation mode
C	A satellite in low earth orbit
D	A highly elliptical orbit satellite

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	Complete the required EchoLink training
B	Register your call sign and provide proof of license
C	Purchase a license to use the EchoLink software
D	All these choices are correct

33. - T8D07

Which of the following describes DMR?

Select	Answer
A	A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
B	A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
C	An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
D	An automatic position tracking mode for FM mobiles communicating through repeaters

34. - T9A07

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

Select	Answer
A	The bandwidth of the antenna will decrease, increasing SWR
B	Signal strength is reduced due to the shielding effect of the vehicle
C	All these choices are correct
D	The SWR might decrease, decreasing the signal strength

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The characteristic impedance increases
B	The loss increases
C	The characteristic impedance decreases
D	The loss decreases

Figure T-2

Figure T-3