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	Waterproof them with silicone caulk or electrical tape
D	Keep them as far apart as possible

2. - T0B08

Which is a proper grounding method for a tower?

Select	Answer
A	A connection between the tower base and a cold water pipe
B	A single four-foot ground rod, driven into the ground no more than 12 inches from the base
C	Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
D	A ferrite-core RF choke connected between the tower and ground

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Alpha radiation
B	Gamma radiation
C	Non-ionizing radiation
D	Ionizing radiation

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
B	FCC Regional Field Office
C	The local chapter of the Office of National Council of Independent Frequency Coordinators
D	The FCC Office of Spectrum Management and Coordination Policy

5. - T1B05

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

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

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

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Any transmission made by the licensed station
B	Two-way transmissions by amateur stations
C	Transmission of messages directed only to amateur operators
D	Transmissions intended for reception by the general public

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 third party participant
C	The station licensee
D	The person operating the station equipment

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	Never, the tactical call is sufficient
B	At the end of each communication and every ten minutes during a communication
C	At the end of every transmission
D	Once during every hour

10. - T2A03

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

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

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	For working DX only
B	So stations within range of each other can communicate without tying up a repeater
C	So stations with simple transmitters can access the repeater without automated offset
D	For contest operation

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	Send the words by voice and Morse code
B	All these choices are correct
C	Spell the words using a standard phonetic alphabet
D	Speak very loudly into the microphone

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The stratosphere
B	The mesosphere
C	The troposphere
D	The ionosphere

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They revolve in opposite directions
B	They are in parallel
C	They are at right angles
D	They travel at different speeds

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From shortly after sunset to dawn during periods of low sunspot activity
B	From shortly after sunset to dawn during periods of high sunspot activity
C	From dawn to shortly after sunset during periods of low sunspot activity
D	From dawn to shortly after sunset during periods of high sunspot activity

16. - T4A03

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

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

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	The codec type being used
B	Your output power
C	Your call sign
D	All these choices are correct

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Watt-hours
B	Volts
C	Amperes
D	Watts

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	1000 microfarads
B	1 microfarad
C	0.001 microfarads
D	1,000,000,000 microfarads

20. - T5C02

What is the unit of capacitance?

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

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	12 volts
B	20 volts
C	8 volts
D	0.2 volts

22. - T6A12

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

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

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Reverse current
B	Capacitively-coupled RF signal
C	Inductively-coupled RF signal
D	Forward current

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Transistor
B	Resistor
C	Battery
D	Connector

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To increase the current carrying capability of the wire
B	To prevent coupling of unwanted signals to or from the wire
C	To decrease the resistance of DC power connections
D	To couple the wire to other signals

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Impedance matching
B	Low-pass filtering
C	Oscillation
D	Modulation

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	All these choices are correct
B	Spurious emissions
C	Fundamental overload
D	Harmonics

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It distorts the signal
B	It increases the SWR
C	It is radiated as harmonics
D	It is converted into heat

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

Select	Answer
A	In phase
B	In quadrature
C	In parallel
D	In series

30. - T8A01

Which of the following is a form of amplitude modulation?

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

31. - T8B04

What mode of transmission is commonly used by amateur radio satellites?

Select	Answer
A	CW/data
B	All these choices are correct
C	FM
D	SSB

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	D-STAR
B	IRLP
C	EchoLink
D	DMR

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	GPS position data
B	Text messages
C	Weather data
D	All these choices are correct

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Shortening it
B	Lengthening it
C	Adding capacitive loading to the ends of the radiating wires
D	Inserting coils in series with radiating wires

35. - T9B04

What is the major function of an antenna tuner (antenna coupler)?

Select	Answer
A	It matches the antenna system impedance to the transceiver's output impedance
B	It helps a receiver automatically tune in weak stations
C	It allows an antenna to be used on both transmit and receive
D	It automatically selects the proper antenna for the frequency band being used

Figure T-2

Figure T-1