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	At the ac power service panel
D	On a grounded panel near where feed lines enter the building

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	Ensure that connections are short and direct
B	Make sure all ground wire bends are right angles
C	Put a drip loop in the ground connection to prevent water damage to the ground system
D	All these choices are correct

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Lower frequency RF fields do not penetrate the human body
B	Higher frequency RF fields are transient in nature
C	Lower frequency RF fields have more energy than higher frequency fields
D	The human body absorbs more RF energy at some frequencies than at others

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	The license appears in the FCC ULS database
B	All these choices are correct
C	A printed copy of the certificate of successful completion of examination
D	An email notification from the NCVEC granting the license

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

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur who has been licensed continuously for more than 10 years
B	Only a licensed amateur with a General or Amateur Extra Class license
C	Only a licensed amateur with an Amateur Extra Class license
D	Any licensed amateur

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	When the communication is incidental to classroom instruction at an educational institution
B	All these choices are correct
C	When the communication is made to obtain emergency information for a local broadcast station
D	When the communication is related to the sale of amateur equipment by the control operator's employer

8. - T1E08

Which of the following is an example of automatic control?

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

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Repeater station
B	Beacon station
C	Message forwarding station
D	Earth station

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	Conduct tests only between 10 p.m. and 6 a.m. local time
B	Notify the FCC of the transmissions
C	Identify the transmitting station
D	All these choices are correct

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To listen on a repeater’s input frequency
B	To reduce power output
C	To increase power output
D	To listen on a repeater’s output frequency

12. - T2C02

Which of the following are typical duties of a Net Control Station?

Select	Answer
A	Call the net to order and direct communications between stations checking in
B	Choose the regular net meeting time and frequency
C	All these choices are correct
D	Ensure that all stations checking into the net are properly licensed for operation on the net frequency

13. - T3A11

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

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

14. - T3B07

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

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

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio waves are not blocked by dust particles
B	Radio signals move somewhat faster than the speed of light
C	Radio waves are blocked by dust particles
D	The atmosphere refracts radio waves slightly

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 the audio input and output of a computer running WSJT-X software
C	To a computer connected to the FT8converter.com website
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	Tunes through a range of frequencies to check for activity
B	Checks for messages left on a digital bulletin board
C	Prevents interference to nearby repeaters
D	Checks incoming signal deviation

18. - T5A09

Which of the following describes alternating current?

Select	Answer
A	All these answers are correct
B	Current that alternates between positive and negative directions
C	Current that alternates between a positive direction and zero
D	Current that alternates between a negative direction and zero

19. - T5B08

Which is equal to 1,000,000 picofarads?

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

20. - T5C05

What is the unit of impedance?

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

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	1 volt
C	9 volts
D	10 volts

22. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

Select	Answer
A	Potentiometer
B	Oscillator
C	Resistor
D	Capacitor

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Gate and base
B	Source and drain
C	Anode and cathode
D	Plus and minus

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	Physical appearance of components
B	Component connections
C	Wire lengths
D	All these choices are correct

25. - T6D02

What is a relay?

Select	Answer
A	A current controlled amplifier
B	An electrically-controlled switch
C	A pass transistor
D	An inverting amplifier

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	An impedance network
B	An RF power amplifier
C	A voltage divider
D	All these choices are correct

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Select	Answer
A	All these choices are correct
B	Immediately turn off your transmitter and contact the nearest FCC office for assistance
C	Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
D	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To prevent transmitting signals over the air when making tests
B	To improve the signal-to-noise ratio of a receiver
C	To prevent over-modulation of a transmitter
D	To improve the efficiency of an antenna

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Decreasing resistance with time
B	Steady full-scale reading
C	Increasing resistance with time
D	Alternating between open and short circuit

30. - T8A12

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

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

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	DMR
B	D-STAR
C	EchoLink
D	IRLP

33. - T8D06

What does the abbreviation "PSK" mean?

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

34. - T9A05

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

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

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	Type N
B	RS-213
C	UHF (PL-259/SO-239)
D	DB-25