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

2. - T0B02

What is required when climbing an antenna tower?

Select	Answer
A	Use appropriate tie-off to the tower at all times
B	Always wear an approved climbing harness
C	Have sufficient training on safe tower climbing techniques
D	All these choices are correct

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The difference between the lowest power output and the highest power output of a transmitter
B	The percentage of time that a transmitter is not transmitting
C	The percentage of time that a transmitter is transmitting
D	The difference between the PEP and average power output of a transmitter

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Select	Answer
A	All these choices are correct
B	The FCC
C	FEMA
D	Homeland Security

5. - T1B02

Which amateurs may contact the International Space Station (ISS) on VHF bands?

Select	Answer
A	Any amateur holding a Technician class or higher license who has applied for and received approval from NASA
B	Any amateur holding a General class or higher license who has applied for and received approval from NASA
C	Any amateur holding a Technician class or higher license
D	Any amateur holding a General class or higher license

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
B	Failure to provide and maintain a correct email address with the FCC
C	Failure to have a copy of your license available at your station
D	Failure to obtain FCC type acceptance prior to using a home-built transmitter

7. - T1D02

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

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

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The station custodian
B	The station licensee
C	The third party participant
D	The person operating the station equipment

9. - T1F05

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

Select	Answer
A	Send the call sign followed by the indicator R
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 using a CW or phone emission

10. - T2A02

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

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

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	DTMF
B	D-STAR
C	CTCSS
D	GPRS

12. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	Information needed to track the message
B	The telephone number of the addressee
C	The email address of the originating station
D	The address of the intended recipient

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	Absorption
B	Deflection
C	There is little effect
D	Range increase

14. - T3B03

What are the two components of a radio wave?

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

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	Gray-line propagation
B	Backscatter
C	Sporadic E
D	D region absorption

16. - T4A04

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

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

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

Select	Answer
A	All these choices are correct
B	The CTCSS or DTMF encoder
C	The keypad or VFO knob
D	The Automatic Frequency Control

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Hertz
B	Henry
C	Tesla
D	Farad

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C05

What is the unit of impedance?

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

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	16 ohms
B	8 ohms
C	3 ohms
D	48 ohms

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Varistor
B	Inductor
C	Capacitor
D	Diode

23. - T6B01

Which is true about forward voltage drop in a diode?

Select	Answer
A	It is proportional to peak inverse voltage
B	It is lower in some diode types than in others
C	It has no impact on the voltage delivered to the load
D	It indicates that the diode is defective

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Variable inductor
B	Variable capacitor
C	Meter
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	Transducer
C	Transformer
D	Integrated circuit

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Low-pass filter
B	Phase converter
C	High-pass filter
D	Transverter

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

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Impedance mismatch
B	Gain of +4 dB
C	Good impedance match
D	Loss of -4 dB

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Rosin-core solder
B	Lead-tin solder
C	Tin-copper solder
D	Acid-core solder

30. - T8A03

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

Select	Answer
A	FM
B	DRM
C	PM
D	SSB

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	A licensed radio amateur who has registered for an access code from AMSAT
B	Anyone
C	A licensed radio amateur who has been certified by the protocol developer
D	A licensed radio amateur with a transmitter equipped for interrogating the satellite

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

Select	Answer
A	A technique employed to “spot” DX stations via the internet
B	A set of rules specifying how to identify your station when linked over the internet to another station
C	A method of delivering voice communications over the internet using digital techniques
D	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet

33. - T8D06

What does the abbreviation "PSK" mean?

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

34. - T9A11

What is antenna gain?

Select	Answer
A	The additional power that is required in the antenna when transmitting on a higher frequency
B	The increase in impedance on receive or transmit compared to a reference antenna
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. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are commonly used at HF and VHF frequencies
B	They are watertight
C	They are a bayonet-type connector
D	They are preferred for microwave operation

Figure T-3