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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may disrupt the electrical functions of cells
B	All these choices are correct
C	It may cause injury by heating tissue
D	It may cause involuntary muscle contractions

2. - T0B10

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

Select	Answer
A	Use only non-insulated wire
B	Sharp bends must be avoided
C	Wires must be carefully routed with precise right-angle bends
D	Common grounds must be avoided

3. - T0C10

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

Select	Answer
A	It takes into account the thermal effects of the final amplifier
B	It takes into account the antenna feed line loss
C	It affects the peak exposure to radiation
D	It affects the average exposure to radiation

4. - T1A10

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

Select	Answer
A	A radio service using amateur frequencies for emergency management or civil defense communications
B	A radio service using amateur stations for emergency management or civil defense communications
C	All these choices are correct
D	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.100 MHz to 28.300 MHz
B	28.500 MHz to 28.600 MHz
C	28.050 MHz to 28.150 MHz
D	28.300 MHz to 28.500 MHz

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	Yes, for up to one year
B	Yes, as soon as you apply for renewal
C	No, you must wait until the license has been renewed
D	Yes, for up to two years

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	In all circumstances
B	Broadcasting
C	Telecommand or transmissions of telemetry
D	International Morse Code Practice

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	Operating the station over the internet
B	Repeater operation
C	Controlling a model aircraft, boat, or car by amateur radio
D	All these choices are correct

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign using a CW or phone emission
B	Send the call sign followed by the indicator RPT
C	Send the call sign using only a phone emission
D	Send the call sign followed by the indicator R

10. - T2A09

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

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

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

Select	Answer
A	Register your radio with the local FCC office
B	Sign your call after the courtesy tone
C	Join the repeater owner’s club
D	Program your radio with the group’s ID or code

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	Messages exchanged by net stations
B	Operation by mobile or portable stations
C	The number of stations checking in and out of a net
D	Requests to activate the net by a served agency

13. - T3A03

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

Select	Answer
A	Right-hand circular
B	Left-hand circular
C	Vertical
D	Horizontal

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength and frequency increase as path length increases
B	Wavelength gets shorter as frequency increases
C	Wavelength gets longer as frequency increases
D	Wavelength and frequency are unrelated

15. - T3C05

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

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

16. - T4A04

How are the transceiver audio input and output connected in a station configured to operate using FT8?

Select	Answer
A	To a computer running a terminal program and connected to a terminal node controller unit
B	To a computer connected to the FT8converter.com website
C	To the audio input and output of a computer running WSJT-X software
D	To an FT8 conversion unit, a keyboard, and a computer monitor

17. - T4B05

What does the scanning function of an FM transceiver do?

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

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	All these choices are correct
B	They have many free protons
C	They have many free electrons
D	They have relatively high density

19. - T5B03

Which is equal to one kilovolt?

Select	Answer
A	One hundred volts
B	One one-thousandth of a volt
C	One million volts
D	One thousand volts

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The ampere
B	The volt
C	The coulomb
D	The ohm

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Select	Answer
A	9 volts
B	11 volts
C	10 volts
D	1 volt

22. - T6A12

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

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

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Reactor
B	Resistor
C	Transistor
D	Transformer

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Transistor
B	Connector
C	Resistor
D	Battery

25. - T6D08

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

Select	Answer
A	Zener diode
B	Potentiometer
C	Capacitor
D	Resistor

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Mixer
B	Phase splitter
C	Inverter
D	Amplifier

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	Block the interfering signal with a filter on the amateur transmitter
B	Switch the transmitter from FM to SSB
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. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

Select	Answer
A	To comply with FCC rules on spectral purity
B	To lower the SWR on the transmission line
C	Because power supplies cannot supply enough current at high SWR
D	To protect the output amplifier transistors

29. - T7D01

Which instrument would you use to measure electric potential?

Select	Answer
A	A voltmeter
B	An ammeter
C	A wavemeter
D	An ohmmeter

30. - T8A12

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

Select	Answer
A	All these choices are correct
B	Only one signal can be received at a time
C	Voice quality is poorer
D	FM signals are harder to tune

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The last observed time of zero Doppler shift
B	The Keplerian elements
C	The satellite transmitted power
D	All these choices are correct

32. - T8C10

What is required before using the EchoLink system?

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

33. - T8D10

Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

Select	Answer
A	Weak signal propagation beacons
B	Earth-Moon-Earth
C	All these choices are correct
D	Meteor scatter

34. - T9A01

What is a beam antenna?

Select	Answer
A	An antenna that concentrates signals in one direction
B	An omnidirectional antenna invented by Clarence Beam
C	An antenna that reverses the phase of received signals
D	An antenna built from aluminum I-beams

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-58 cable has two shields
B	RG-213 cable has less loss at a given frequency
C	There is no significant difference between the two types
D	RG-58 cable can handle higher power levels

Figure T-2

Figure T-1