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. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

Select	Answer
A	At the antenna feed point
B	At the output connector of a transceiver
C	On a grounded panel near where feed lines enter the building
D	At the ac power service panel

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

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By informing the FCC of any changes made in your station
B	All these choices are correct
C	By making sure your antennas have low SWR
D	By re-evaluating the station whenever an item in the transmitter or antenna system is changed

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

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	To allow for transmitter frequency drift
B	All these choices are correct
C	To allow for calibration error in the transmitter frequency display
D	So that modulation sidebands do not extend beyond the band edge

6. - T1C09

What is the grace period for renewal if an amateur license expires?

Select	Answer
A	Three years
B	Five years
C	Two years
D	Ten years

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
B	Any country banned from making such communications by the American Radio Relay League (ARRL)
C	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
D	Any country banned from such communications by the International Amateur Radio Union (IARU)

8. - T1E08

Which of the following is an example of automatic control?

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

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

Select	Answer
A	KL7CC slash W3
B	KL7CC stroke W3
C	KL7CC slant W3
D	All these choices are correct

10. - T2A08

What is the meaning of the procedural signal “CQ”?

Select	Answer
A	Only the called station should transmit
B	Calling any station
C	Call on the quarter hour
D	Test transmission, no reply expected

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

Select	Answer
A	Must match the repeater color code for access
B	Identifies the codec used
C	Defines the minimum signal level required for access
D	Defines the frequency pair to use

12. - T2C10

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

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

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Try to find a path that reflects signals to the repeater
B	Increase the antenna SWR
C	Change from vertical to horizontal polarization
D	Try the long path

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The orientation of the electric field
B	The ratio of the velocity to the wavelength
C	The orientation of the magnetic field
D	The ratio of the energy in the magnetic field to the energy in the electric field

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	6 and 10 meters
C	23 centimeters
D	70 centimeters and 1.25 meters

16. - T4A10

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

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

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

Select	Answer
A	Use the scan mode to select the desired frequency
B	Enable the VOX
C	Enable the frequency offset
D	Store it in a memory channel

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Siemens
B	Coulombs
C	Ohms
D	Mhos

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	28.400 MHz
B	2.800 MHz
C	284.00 MHz
D	28.400 kHz

20. - T5C06

What does the abbreviation “RF” mean?

Select	Answer
A	The real frequency transmitted as opposed to the apparent frequency
B	Radio frequency signals of all types
C	Reflective force in antenna transmission lines
D	The resonant frequency of a tuned circuit

21. - T5D03

What formula is used to calculate resistance in a circuit?

Select	Answer
A	R = E - I
B	R = E / I
C	R = E + I
D	R = E x I

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	Lead-acid
B	All these choices are correct
C	Nickel-metal hydride
D	Lithium-ion

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Diode
B	Fuse
C	Driven element
D	Resistor

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Connector pinout
B	Flow chart
C	Schematic
D	Bill of materials

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Transistor
B	Potentiometer
C	Relay
D	Meter

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	At the output of the transmitter power amplifier
B	Between the transmitter and the antenna tuner
C	At the output of the receiver audio amplifier
D	Between the antenna and receiver

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	All these choices are correct
B	Make sure your station meets the standards of good amateur practice
C	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
D	Work with your neighbor to identify the offending device

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet light can damage the jacket and allow water to enter the cable
B	Ultraviolet and RF signals can mix, causing interference
C	Ultraviolet light can increase losses in the cable’s jacket
D	Ultraviolet resistant jackets prevent harmonic radiation

29. - T7D08

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

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

30. - T8A01

Which of the following is a form of amplitude modulation?

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

31. - T8B11

Who may receive telemetry from a space station?

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

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	EchoLink
C	IRLP
D	DMR

33. - T8D09

What is CW?

Select	Answer
A	A digital mode used primarily on 2 meter FM
B	Another name for a Morse code transmission
C	A type of electromagnetic propagation
D	A technique for coil winding

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	All these choices are correct
B	It transmits only circularly polarized signals
C	It has low efficiency
D	It is mechanically fragile

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	Water intrusion into coaxial connectors
B	All these choices are correct
C	High SWR
D	Multiple connectors in the line