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

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	The 60 Hz radiations from the feed line may increase the SWR
B	The antenna will not work properly because of induced voltages
C	The antenna could contact high-voltage power lines
D	All these choices are correct

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Increase the duty cycle
B	All these choices are correct
C	Relocate the transmitter
D	Relocate antennas

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	It is required when transmitting emergency messages
B	It is encouraged
C	All these choices are correct
D	It is required when in contact with foreign stations

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	10 watts
B	100 watts
C	200 watts
D	50 watts

6. - T1C06

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

Select	Answer
A	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
B	From within any country that is a member of the United Nations
C	From within any country that belongs to the International Telecommunication Union
D	From any vessel or craft located in international waters and documented or registered in the United States

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Repeater, auxiliary, or space stations
B	Earth, repeater, or space stations
C	Beacon, repeater, or space stations
D	Auxiliary, beacon, or Earth stations

8. - T1E08

Which of the following is an example of automatic control?

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

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	Both the originating station and the repeater owner
B	The control operator of the repeater
C	The control operator of the originating station
D	The owner of the repeater

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	The repeater call sign followed by the station’s call sign
B	The station’s call sign followed by the word “monitoring”
C	“QSY” followed by your call sign
D	“CQ CQ” followed by the repeater’s call sign

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QTH
B	QRM
C	QSB
D	QRN

12. - T2C04

What is RACES?

Select	Answer
A	An emergency organization combining amateur radio and citizens band operators and frequencies
B	A radio contest held in a short period, sometimes called a “sprint”
C	An international radio experimentation society
D	An FCC part 97 amateur radio service for civil defense communications during national emergencies

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	Nothing significant will happen
B	Received signal strength is reduced
C	Signals have an echo effect
D	The modulation sidebands might become inverted

14. - T3B09

What frequency range is referred to as UHF?

Select	Answer
A	30 to 300 MHz
B	30 to 300 kHz
C	300 to 3000 MHz
D	300 to 3000 kHz

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	All these choices are correct
B	23 centimeters
C	6 and 10 meters
D	70 centimeters and 1.25 meters

16. - T4A03

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

Select	Answer
A	To minimize voltage drop when transmitting
B	To avoid RF interference
C	To provide a good counterpoise for the antenna
D	All these choices are correct

17. - T4B05

What does the scanning function of an FM transceiver do?

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

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	Direct current
B	RF current
C	Alternating current
D	All these choices are correct

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	10 dB
B	28 dB
C	18 dB
D	12 dB

20. - T5C12

What is impedance?

Select	Answer
A	The inverse of resistance
B	The Q or Quality Factor of a component
C	The power handling capability of a component
D	The opposition to AC current flow

21. - T5D14

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

Select	Answer
A	Branch
B	Parallel
C	Series
D	Resonant

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	All these choices are correct
B	Fuse
C	Thyratron
D	Varactor

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	Forward voltage drop
B	On resistance
C	Gain
D	Forward resistance

24. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Dummy load
B	Ground
C	Antenna
D	Transmitter

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	An inductor and a capacitor in series or parallel
B	A linear voltage regulator
C	A resistor circuit used for reducing standing wave ratio
D	A circuit designed to provide high-fidelity audio

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for automatically sending and decoding Morse code
B	A device for matching feed line impedance to 50 ohms
C	A device that combines a receiver and transmitter
D	A device for converting receiver and transmitter frequencies to another band

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Switch the transmitter from FM to SSB
B	Block the interfering signal with a filter on the amateur transmitter
C	Switch the transmitter to a narrow-band mode
D	Block the amateur signal with a filter at the antenna input of the affected receiver

28. - T7C02

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

Select	Answer
A	A VTVM
B	A frequency counter
C	A Q meter
D	An antenna analyzer

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the applied voltages are correct
B	Ensure that the circuit is operating at the correct frequency
C	Ensure that the circuit is grounded
D	Ensure that the circuit is not powered

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	6 kHz
B	1 kHz
C	3 kHz
D	15 kHz

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	An observed change in signal frequency caused by relative motion between the satellite and Earth station
B	A mode where the satellite receives signals on one band and transmits on another
C	A special digital communications mode for some satellites
D	A change in the satellite orbit

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By obtaining a password that is sent via voice to the node
B	By using CTCSS tone codes
C	By using DTMF signals
D	By entering the proper internet password

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing information on the number of stations signed into a repeater
B	Providing voice over internet connection between repeaters
C	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
D	Showing automatically the number of packets transmitted via PACTOR during a specific time interval

34. - T9A11

What is antenna gain?

Select	Answer
A	The increase in impedance on receive or transmit compared to a reference antenna
B	The additional power that is required in the antenna when transmitting on a higher frequency
C	The additional power that is added to the transmitter power
D	The increase in signal strength in a specified direction compared to a reference antenna

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	DB-25
B	UHF (PL-259/SO-239)
C	Type N
D	RS-213

Figure T-3