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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Keep them as far apart as possible
B	Tune them for resonance on the lowest frequency of operation
C	Waterproof them with silicone caulk or electrical tape
D	Bond them together with heavy wire or conductive strap

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Secure the guy line if the turnbuckle breaks
B	Provide an ability to measure for proper tensioning
C	Prevent loosening of the turnbuckle from vibration
D	Provide a ground path for lightning strikes

3. - T0C13

Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

Select	Answer
A	The FCC
B	The local zoning board
C	The station licensee
D	Anyone who is near an antenna

4. - T1A11

When is willful interference to other amateur radio stations permitted?

Select	Answer
A	At no time
B	To stop another amateur station that is breaking the FCC rules
C	When making short test transmissions
D	At any time, stations in the Amateur Radio Service are not protected from willful interference

5. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Fast-scan television only
B	Fixed digital message forwarding systems only
C	Spread spectrum only
D	Emergency traffic only

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 belongs to the International Telecommunication Union
C	From within any country that is a member of the United Nations
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	Auxiliary, beacon, or Earth stations
D	Beacon, repeater, or space stations

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	Any licensed operator
B	The frequency coordinator
C	The FCC
D	The station licensee

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
B	Operation when the transmitting equipment is licensed to a person other than the control operator
C	A message from a control operator to another amateur station control operator on behalf of another person
D	Amateur radio communications where three stations are in communications with one another

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	145.000 MHz
B	432.100 MHz
C	446.000 MHz
D	146.520 MHz

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A system of repeaters linked by APRS
B	Multiple repeaters with the same control operator
C	A single repeater with more than one receiver
D	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	All these choices are correct
B	Making decisions as to whether messages are worthy of relay or delivery
C	Ensuring that any newsworthy messages are relayed to the news media
D	Passing messages exactly as received

13. - T3A09

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

Select	Answer
A	Digital modes are unusable
B	Either vertically or horizontally polarized antennas may be used for transmission or reception
C	Both the transmitting and receiving antennas must be of the same polarization
D	FM voice is unusable

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	Traditional letter/number designators
B	The approximate wavelength in meters
C	Channel numbers
D	All these choices are correct

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	Faraday rotation
B	D region refraction
C	F2 region refraction
D	Tropospheric ducting

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	FT8 digital communications via AFSK
B	High-speed digital communications for meteor scatter
C	RTTY encoding and decoding without a computer
D	Communication using digital voice or data systems via the internet

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Enable squelch enhancement
B	Turn up the audio level until it overcomes the squelch threshold
C	Set the squelch threshold so that receiver output audio is on all the time
D	Turn on the anti-squelch function

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Copper
B	Glass
C	Mercury
D	Aluminum

19. - T5B07

Which is equal to 3.525 MHz?

Select	Answer
A	3,525,000 kHz
B	0.003525 kHz
C	35.25 kHz
D	3525 kHz

20. - T5C10

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

Select	Answer
A	14.5 watts
B	0.208 watts
C	4.8 watts
D	30 watts

21. - T5D11

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

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

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Capacitance
B	Resistance
C	Inductance
D	Field strength

23. - T6B08

What does the abbreviation FET stand for?

Select	Answer
A	Fast Electron Transistor
B	Frequency Emission Transmitter
C	Free Electron Transmitter
D	Field Effect Transistor

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Indicator lamp
B	Transistor
C	Resistor
D	Connector

25. - T6D09

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

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

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Select	Answer
A	Change the frequency range of the amplifier to operate in the proper segment of the band
B	Set the amplifier for proper operation in the selected mode
C	Reduce the received signal noise
D	Change the mode of the transmitted signal

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Preamplifier
B	Band-pass filter
C	Ferrite choke
D	Low-pass filter

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A high-gain amplifier and a TR switch
B	A low-voltage power supply and a DC relay
C	A non-inductive resistor mounted on a heat sink
D	A 50-ohm reactance used to terminate a transmission line

29. - T7D11

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

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

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 3 MHz
B	About 6 MHz
C	About 1 MHz
D	More than 10 MHz

31. - T8B12

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

Select	Answer
A	Check your signal strength report in the telemetry data
B	Listen for distortion on your downlink signal
C	Your signal strength on the downlink should be about the same as the beacon
D	All these choices are correct

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 DTMF signals
C	By entering the proper internet password
D	By using CTCSS tone codes

33. - T8D06

What does the abbreviation "PSK" mean?

Select	Answer
A	Packet Short Keying
B	Phase Shift Keying
C	Pulse Shift Keying
D	Phased Slide Keying

34. - T9A01

What is a beam antenna?

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

35. - T9B05

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

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

Figure T-1